From owner-structural-nmr@net.bio.net Tue Apr 04 23:00:00 1995
Path: biosci!MUWAYF.UNIMELB.EDU.AU!sergio_scrofani
From: sergio_scrofani@MUWAYF.UNIMELB.EDU.AU (Sergio Scrofani)
Newsgroups: bionet.structural-nmr
Subject: POSITIONS AVAILABLE (AUSTRA
Date: 5 Apr 1995 16:05:58 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 73
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <01HP0HFQ8KWY002OFS@muwayb.ucs.unimelb.edu.au>
NNTP-Posting-Host: net.bio.net

                      POSITIONS AVAILABLE (AUSTRALIA)
Dear users,
Please forgive the cross-posting.  We have a number of openings available in
the Chemistry Department, University of Melbourne, Australia.  The following
ad describes three in particular. However, if you feel that you don't fit
into the specified categories, feel free to make any enquiries to Prof. Tony
Wedd (see below).

-----------------------------------------------------------------------------------
The School of Chemistry is seeking applicants for the following positions:

-Reader/Senior Lecturer in NMR Spectroscopy
-Senior Lecturer/Lecturer in Mass Spectroscopy
-Research Fellow in NMR Spectroscopy

The School is seeking to strengthen its research and teaching capabilities in
the fields of NMR spectroscopy and mass spectrometry.  Applicants must have
strong research backgrounds and the ability to initiate and foster major
instrumentation improvements.  For the Reader / Senior Lecturer / Lecturer
positions, preference will be given to applicants with a background in
bio-organic or  biological chemistry who are willing to encourage
interdisciplinary research and teaching initiatives both inside and outside
the School.

High resolution solution NMR instrumentation will include two 400 MHz and two
300 MHz instruments on site and access (20%) to a 500 MHz instrument.  A 300
MHz CP/MAS attachment for solids will be available.  Planning to gain access
to higher field instruments has a high priority.  The Reader / Senior
Lecturer will be appointed director of the NMR facility and be responsible
for overall planning and effective functioning.  The Research Fellow, with
the help of a Professional Officer, will be responsible for day-to-day
functioning, technique development and training.  The appointee will be
encouraged to undertake independent and collaborative research.  This
appointment will be for up to three years in the first instance.

Mass spectrometric instrumentation presently includes two high resolution
instruments (VG and JEOL), one with FAB/EI/CI and GC capability.  Funds are
available to seed substantial expansion and the Senior Lecturer / Lecturer
will exercise responsibility  for that expansion and for further development
and interaction with other groups within the University.

The School has appointed Professor R.O. Watts as ICI-Masson Chair of
Chemistry and Head of School from late June, 1995.  It currently has 31 full
time academic staff who undertake a range of internationally recognised
research programs.  The School also provides teaching programs for over 1800
undergraduate and some 90 postgraduate students and participates in a variety
of community education programs.

Applications should be sent, in duplicate, quoting reference number and three
referees (including facsimile numbers) to the Director, Personnel Services,
The University of Melbourne, Parkville, Victoria 3052, Victoria, Australia;
fax +61-3-344-4694.  Please include details of your research plans, your
teaching philosophy and your vision for a School of Chemistry in the third
millennium.  Further information, position descriptions and the School
Research Booklet can be obtained from Professor A.G. Wedd, Head of School: 
Tel. +61-3-344-7137; fax +61-3-347-5180; 
e-mail: Tony_Wedd.chemistry@muwayf.unimelb.edu.au

Reference Numbers:	
Reader/Senior Lecturer:	Y6100210	(salary:  A$61,322 - 67,555/ $50,928 -
58,724)
Senior Lecturer/Lecturer:	Y9400485	(salary:  A$50,928 - 58,724/ $41,574 -
49,370)
Research Fellow Grade 1/2:	Y0000431	(salary:  A$29,539 - 40,087/ $42,198 -
50,111)	
Closing date:  June 7, 1995.

The University of Melbourne is an equal opportunity employer and has a smoke
free work place policy.





From owner-structural-nmr@net.bio.net Tue Apr 04 23:00:00 1995
Path: biosci!daresbury!trane.uninett.no!sunic!sunic.sunet.se!news.funet.fi!luotsi.uku.fi!usenet
From: Matthias Niemitz <niemitz@skanssi.uku.fi>
Newsgroups: bionet.structural-nmr
Subject: PERCH NMR software, new release
Date: 5 Apr 1995 09:54:53 GMT
Organization: University of Kuopio, Finland
Lines: 19
Message-ID: <3ltpdd$hp8@luotsi.uku.fi>
NNTP-Posting-Host: s3038.uku.fi

Dear NMR Spectroscopist:

We proudly announce the latest release of the PERCH NMR 
software package including new, unique features covering 
every-day routine tools to sophisticated procedures for 
deconvolution and simulation/iteration. A free tutorial 
is available via World Wide Web and anonymous FTP. 

For more information please check:

World Wide Web: http://www.uku.fi/~niemitz/perch.htm

Anonymous FTP: FTP.FUNET.FI in directory: /pub/sci/chem/nmr

or contact:

PERCH Project                      phone:       + 358 71 163242
University of Kuopio, P.O.B. 1627  telefax:     + 358 71 163259
FIN-70211 Kuopio, FINLAND          e-mail: perch@kummeli.uku.fi

From owner-structural-nmr@net.bio.net Wed Apr 05 23:00:00 1995
Path: biosci!agate!news.mindlink.net!news.bc.net!unixg.ubc.ca!news
From: <tony>
Newsgroups: bionet.structural-nmr
Subject: protein-protein interactions
Date: 6 Apr 1995 16:15:29 GMT
Organization: The University of British Columbia
Lines: 14
Message-ID: <3m1431$gma@nntp.ucs.ubc.ca>
NNTP-Posting-Host: xray1.chem.ubc.ca
Mime-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 7bit
X-Mailer: Mozilla 1.1b2 (X11; I; IRIX 5.2 IP20)
X-URL: news://news.ucs.ubc.ca/bionet.structural-nmr

Dear all,

I am not a nmr person.  Can somebody point me to some good references for using
nmr to study protein-protein interactions?  I remember seeing one a while ago
and it involves making one protein "invisible to nmr" by labelling with D2O and
then imbolize one of them; and add the other one and see which protons are
protected; something along these lines is what I am after.  Thanks a lot.

Yu Wai Chen
Department of Biochemistry, University of British Columbia, Vancouver BC,
CANADA

Please reply to ywchen@laue.biochem.ubc.ca


From owner-structural-nmr@net.bio.net Thu Apr 06 23:00:00 1995
Path: biosci!bcm!news.msfc.nasa.gov!sol.ctr.columbia.edu!howland.reston.ans.net!pipex!lyra.csx.cam.ac.uk!bioc.cam.ac.uk!zx
From: zx@bioc.cam.ac.uk
Newsgroups: bionet.structural-nmr
Subject: stability of proteins
Date: 7 Apr 1995 16:14:56 GMT
Organization: Somewhere in the University of Cambridge
Lines: 16
Distribution: world
Message-ID: <3m3oe0$pen@lyra.csx.cam.ac.uk>
NNTP-Posting-Host: eden.bioc.cam.ac.uk
Keywords: stability, nmr, structural analysis

Dear netters,
Structural determination by NMR requires very stable proteins, which probably are not feasible for many proteins. I am now working on a protein in PSI reaction center, which shows degradation after one or two days incubation at room temperature. A 3D NOESY experiment takes at least three days! Can the protein be stabilized without using mutagenesis? Any suggestions are highly appreciated!
zx. 

-- 

	From:

		Dr. Xia Zhicheng
		Department of Biochemistry
		University of Cambridge
		Tennis Court Road
		Cambridge CB2 1QW
		
		E-mail zx@mole.bio.cam.ac.uk


From owner-structural-nmr@net.bio.net Thu Apr 06 23:00:00 1995
Path: biosci!ERE.UMontreal.CA!beausole
From: beausole@ERE.UMontreal.CA (Beausoleil Eric)
Newsgroups: bionet.structural-nmr
Subject: Inversion transfer
Date: 7 Apr 1995 14:32:41 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 17
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <9504072131.AA20862@tornade.ERE.UMontreal.CA>
NNTP-Posting-Host: net.bio.net


To whom it may concern

I would like to know if anybody have program for analyzing
selective saturation exchange experiment according to
Campbell J.Magn. Res. vol 21 p397.
 

In advance thank you.



Eric Beausoleil  Etudiant Ph.D.         Email:beausole@ere.umontreal.ca
                 Chimie Organique       Local:G-629 
                 Universite de Montreal Tel:1-514-343-6111 (#3954)



From owner-structural-nmr@net.bio.net Sat Apr 08 23:00:00 1995
Path: biosci!daresbury!not-for-mail
From: bryan@freja.fkem2.lth.se (Bryan Finn)
Newsgroups: bionet.structural-nmr
Subject: Re: stability of proteins
Date: 8 Apr 1995 18:16:03 +0100
Lines: 44
Sender: lpddist@mserv1.dl.ac.uk
Distribution: bionet
Message-ID: <3m6gcj$c1e@mserv1.dl.ac.uk>
Original-To: str-nmr@dl.ac.uk


> Dear netters,
> Structural determination by NMR requires very stable proteins, which probably are not feasible for many proteins. I am now working on a protein in PSI reaction center, which shows degradation after one or two days incubation at room temperature. A 3D NOESY experiment takes at least three days! Can the protein be stabilized without using mutagenesis? Any suggestions are highly appreciated!
> zx.  
> 
> 	From:
> 
> 		Dr. Xia Zhicheng

Xia,

	First, check the stability of unfolding with a simple unfolding
expt (e.g. a series of 1D's at different temps or by other means such as
UV absorance or CD spectroscopy).  If the problem is unfolding, 
change the solvent conditions with respect to pH, temperature or addition of 
additives (e.g. salt).  
If the problem is instability against degradation by microorganisms, try 
adding a little sodium azide to the sample (0.02%).  

Good luck!


Bryan







___________________________________________________________________
|                                                                 |
|  Dr. Bryan Finn                                                 |
|  Department of Physical Chemistry 2       Tel: +46-46-222-8254  |
|  Chemical Center                          Fax: +46-46-222-4543  |
|  University of Lund                                             |
|  POB 124                                                        |
|  S-221 00 Lund Sweden        e-mail: Bryan.Finn@fkem2.lth.se    |
|       WWW: http://www.fkem2.lth.se/personnel/bryan/finn.html    |
|_________________________________________________________________|





From owner-structural-nmr@net.bio.net Sun Apr 09 23:00:00 1995
Path: biosci!rutgers!oitnews.harvard.edu!das-news2.harvard.edu!news2.near.net!news3.near.net!yale!usenet
From: abonvin@volta.csb.yale.edu ("Alexandre Bonvin")
Newsgroups: bionet.structural-nmr
Subject: X-PLOR www  pages (correction)
Date: 10 Apr 1995 17:53:23 GMT
Organization: Yale University, Department of Computer Science, New Haven, CT
Lines: 17
Message-ID: <3mbrak$iju@babyblue.cs.yale.edu>
NNTP-Posting-Host: volta.csb.yale.edu

Dear netters,

Xplor has now a www home page featuring the X-PLOR manual and tutorial  
files on-line. The official address is:

    http://xplor.csb.yale.edu

(pauli in the previous posting should work as well)

Alexandre

==========================================================================
| Alexandre Bonvin PhD           | Phone: (203) 432-5066                 |
| Mol. Biophys. & Biochemistry   | Fax:   (203) 432-6946                 |
| Yale University, PO Box 208114 | Email: abonvin@laplace.csb.yale.edu   |
| New Haven CT 06511, USA        |                                       |
==========================================================================

From owner-structural-nmr@net.bio.net Sun Apr 09 23:00:00 1995
Path: biosci!agate!howland.reston.ans.net!news2.near.net!news3.near.net!yale!usenet
From: abonvin@volta.csb.yale.edu ("Alexandre Bonvin")
Newsgroups: bionet.structural-nmr
Subject: X-PLOR www pages
Date: 10 Apr 1995 17:48:09 GMT
Organization: Yale University, Department of Computer Science, New Haven, CT
Lines: 17
Message-ID: <3mbr0p$iiu@babyblue.cs.yale.edu>
NNTP-Posting-Host: volta.csb.yale.edu

Dear netters,

Xplor has now a www home page featuring the X-PLOR manual and tutorial  
files
on-line. The address is:

    http://pauli.csb.yale.edu


Alexandre

==========================================================================
| Alexandre Bonvin PhD           | Phone: (203) 432-5066                 |
| Mol. Biophys. & Biochemistry   | Fax:   (203) 432-6946                 |
| Yale University, PO Box 208114 | Email: abonvin@laplace.csb.yale.edu   |
| New Haven CT 06511, USA        |                                       |
==========================================================================

From owner-structural-nmr@net.bio.net Sun Apr 09 23:00:00 1995
Path: biosci!LARRY.BIOP.UMICH.EDU!wang
From: wang@LARRY.BIOP.UMICH.EDU
Newsgroups: bionet.structural-nmr
Subject: Re: stability of proteins
Date: 10 Apr 1995 09:21:13 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 33
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <Pine.3.89.9404101226.C2521-0100000@larry.biop.umich.edu>
References: <3m3oe0$pen@lyra.csx.cam.ac.uk>
NNTP-Posting-Host: net.bio.net

How about try some co-solvent. We once used some acetylnitril to help
stablize some protein. It worked fine for two protein studied in our
lab.

On 7 Apr 1995 zx@bioc.cam.ac.uk wrote:

> Dear netters,
> Structural determination by NMR requires very stable proteins, which probably are not feasible for many proteins. I am now working on a protein in PSI reaction center, which shows degradation after one or two days incubation at room temperature. A 3D NOESY experiment takes at least three days! Can the protein be stabilized without using mutagenesis? Any suggestions are highly appreciated!
> zx. 
> 
> -- 
> 
> 	From:
> 
> 		Dr. Xia Zhicheng
> 		Department of Biochemistry
> 		University of Cambridge
> 		Tennis Court Road
> 		Cambridge CB2 1QW
> 		
> 		E-mail zx@mole.bio.cam.ac.uk
> 
> 

###################################################################

Hong Wang		Phone: (313) 763-8972
Univ. Michigan		Email: wang@larry.biop.umich.edu

###################################################################




From owner-structural-nmr@net.bio.net Sun Apr 09 23:00:00 1995
Path: biosci!SNEEZY.FHIS.NET!barry
From: barry@SNEEZY.FHIS.NET ("Barry Schweitzer")
Newsgroups: bionet.structural-nmr
Subject: Post-doctoral Position Available
Date: 10 Apr 1995 07:56:57 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 43
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <9504101055.ZM3199@sneezy.fhis.net>
NNTP-Posting-Host: net.bio.net

POST-DOCTORAL POSITION AVAILABLE

A post-doctoral position is available starting July 1, 1995
in the Laboratory of Structural Biology at the Walt Disney
Memorial Cancer Institute (WDMCI) at Florida Hospital, a
not-for-profit 1500-bed acute care research hospital in
Orlando, Florida.  Research in the Laboratory of Structural
Biology is focused on the development of new anti-cancer agents
through the use of Nuclear Magnetic Resonance (NMR) and computer
modeling.  Specific areas of interest include:  (1) Structure-
function relationships in proteins involved in blood coagulation
and fibrinolysis, (2) Effects of anti-cancer drugs on DNA structure,
and (3) DNA-protein interactions.

The successful candidate should be highly motivated and must have
a strong background in the application of solution-state multi-
dimensional triple resonance NMR to isotopically-labeled proteins.
Experience in pulse sequence design, molecular biology (PCR,
cloning, protein overexpression/purification), and structure
calculations/molecular modeling is also desirable, but optional.
Salary rate is negotiable and will be set commensurate with
experience.

The Laboratory of Structural Biology is located in a new 16,000 sq.
ft. research facility that houses the Cancer Research Division of
the WDMCI.  Our laboratory has exclusive use of a Varian UnityPlus
600 MHz spectrometer with triple resonance and gradient capabilities
and several SUN and SGI workstations.  The Cancer Research Division
also has excellent facilities for cellular and molecular biology,
tissue culture, and protein chemistry.  WDMCI is affiliated with the
University of Central Florida, a 25,000-student research university
located 2 minutes away.

Send curriculum vitae and names of three references to:

Dr. Barry Schweitzer
Director, Division of Structural Biology
Walt Disney Memorial Cancer Institute
12722 Research Parkway
Orlando, FL 32826
email:  barry@sneezy.fhis.net



From owner-structural-nmr@net.bio.net Mon Apr 10 23:00:00 1995
Path: biosci!SNEEZY.FHIS.NET!barry
From: barry@SNEEZY.FHIS.NET ("Barry Schweitzer")
Newsgroups: bionet.structural-nmr
Subject: 15N labeling in yeast
Date: 11 Apr 1995 15:57:02 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 24
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <9504111856.ZM5178@sneezy.fhis.net>
NNTP-Posting-Host: net.bio.net

Hi Out There!

Collaborators of ours have a protein cloned and expressed in the P. pastoris
yeast system.  It shouldn't be hard (or expensive) to 13C-label the protein;
the bugs grow on methanol as their sole carbon source.  However, all
the protocols that I have seen call for yeast nitrogen base as the nitrogen
source.  I haven't seen anyone selling this in 15N-form.  Does anyone
have a recipe for 15N labeling (e.g. using 15N-ammonium) in this system?

Thanks in advance.


-- 
Barry Schweitzer, Ph.D.
Director                                     Assistant Professor
Division of Structural Biology               Department of Chemistry
Walt Disney Memorial Cancer Institute        University of Central Florida
 at Florida Hospital
12722 Research Parkway
Orlando, FL 32826
Phone:	(407) 380-9977
FAX:	(407) 380-9978
email:	barry@sneezy.fhis.net


From owner-structural-nmr@net.bio.net Mon Apr 10 23:00:00 1995
Path: biosci!MAILBOX.SYR.EDU!ipelczer
From: ipelczer@MAILBOX.SYR.EDU (Istvan  Pelczer)
Newsgroups: bionet.structural-nmr
Subject: Re: C13 NMR chemical shifts
Date: 11 Apr 1995 16:26:58 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 19
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <Pine.SUN.3.91.950411192456.5829B-100000@kong.syr.edu>
References: <199504111910.QAA13635@styx.iqm.unicamp.br>
NNTP-Posting-Host: net.bio.net


I believe Sadtler offers the best collection of data and a software 
(C-SEARCH) at the time, however, Aldrich has 13C spectrum collection, too 
(probably others as well), and Bruker also offers software which 
calculates 13C chemical shifts.
Good luck,

Istvan


================================
Istvan Pelczer, Ph.D.
Res. Assist. Professor
Chemistry Department, CST Bldg.
Syracuse University
Syracuse, NY 13244-4100
ph: (315) 443 1023 or x-5932
fax: x-1022(lab) or x-4070(dept)


From owner-structural-nmr@net.bio.net Mon Apr 10 23:00:00 1995
Path: biosci!IQM.UNICAMP.BR!elcana
From: elcana@IQM.UNICAMP.BR (Anselmo Elcana de Oliveira)
Newsgroups: bionet.structural-nmr
Subject: C13 NMR chemical shifts
Date: 11 Apr 1995 12:22:45 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 12
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <199504111910.QAA13635@styx.iqm.unicamp.br>
NNTP-Posting-Host: net.bio.net

Hi netters,

Does anybody know where I can find a program to calculate the C13 NMR
chemical shifts? I'm also looking for a data bank of chemical shifts.

Please, send the answers to me, not to the list.

	Thanks in advance,

	Elcana
	elcana@iqm.unicamp.br


From owner-structural-nmr@net.bio.net Tue Apr 11 23:00:00 1995
Path: biosci!HWS.IPC.HIROSHIMA-U.AC.JP!kazz
From: kazz@HWS.IPC.HIROSHIMA-U.AC.JP (Kazuhiro OHTANI)
Newsgroups: bionet.structural-nmr
Subject: help
Date: 11 Apr 1995 19:56:55 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 6
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <9504120257.AA28245@hws.ipc.hiroshima-u.ac.jp>
NNTP-Posting-Host: net.bio.net

help
OHTANI, Kazuhiro
Dpt. of Pharm. Sci., Schl of Medicine, Hiroshima Univ.
e-mail : kazz@ue.ipc.hiroshima-u.ac.jp
Nifty  : GHB03031


From owner-structural-nmr@net.bio.net Tue Apr 11 23:00:00 1995
Path: biosci!cc.uoi.gr!astavrak
From: astavrak@cc.uoi.gr (Athanasios Stavrakoudis)
Newsgroups: bionet.structural-nmr
Subject: help on assignment
Date: 12 Apr 1995 08:06:44 -0700
Organization: University of Ioannina Computer Center 
              Dourouti, Ioannina, Greece 451 10
              tel: +30-651-45298, fax: +30-651-45298
Lines: 16
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <9504121748.AA04104@apollon.cc.uoi.gr>
NNTP-Posting-Host: net.bio.net


Hello everybody

I am looking for a DOS/SGI program to do
manual assignment of small peptides. Does
anyone use such programs ?
Or, have you an idea where can l find
something usefull ?

thanks,

Athanassios Stavrakoudis
Un. Ioannina
Dep. Chemistry
Ioannina-Greece
e-mail : astavrak@cc.uoi.gr

From owner-structural-nmr@net.bio.net Tue Apr 11 23:00:00 1995
Path: biosci!MAILBOX.SYR.EDU!ipelczer
From: ipelczer@MAILBOX.SYR.EDU (Istvan  Pelczer)
Newsgroups: bionet.structural-nmr
Subject: Re: help on assignment
Date: 12 Apr 1995 09:01:08 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 43
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <Pine.SUN.3.91.950412115302.24366E-100000@kong.syr.edu>
References: <9504121748.AA04104@apollon.cc.uoi.gr>
NNTP-Posting-Host: net.bio.net



On 12 Apr 1995, Athanasios Stavrakoudis wrote:

> 
> Hello everybody
> 
> I am looking for a DOS/SGI program to do
> manual assignment of small peptides. Does
> anyone use such programs ?
> Or, have you an idea where can l find
> something usefull ?
> 
> thanks,
> 
> Athanassios Stavrakoudis
> Un. Ioannina
> Dep. Chemistry
> Ioannina-Greece
> e-mail : astavrak@cc.uoi.gr
> 
> 

A possible choice for PC would be PIXI (you can read about it in JMR 
88(1990)511-522), which you can download from gopher.nmrfam.wisc.edu.  
Workstation-level assignment/analysis software packages are NMRView, 
PIPP, or ANSIG;  all available over the net in one way or another (see some
earlier news in the str-nmr@net.bio.net).  There are commercial packages, 
too, but I believe you look for something which does not cost a lot.
Good luck,

Istvan


================================
Istvan Pelczer, Ph.D.
Res. Assist. Professor
Chemistry Department, CST Bldg.
Syracuse University
Syracuse, NY 13244-4100
ph: (315) 443 1023 or x-5932
fax: x-1022(lab) or x-4070(dept)


From owner-structural-nmr@net.bio.net Tue Apr 11 23:00:00 1995
Path: biosci!daresbury!trane.uninett.no!sunic!sunic.sunet.se!seunet!news2.swip.net!doc.news.pipex.net!pipex!lyra.csx.cam.ac.uk!bioc.cam.ac.uk!bos
From: bos@bioc.cam.ac.uk (Brian Smith (Bioc))
Newsgroups: bionet.structural-nmr
Subject: Re: 15N labeling in yeast
Date: 12 Apr 1995 09:16:08 GMT
Organization: Somewhere in the University of Cambridge
Lines: 13
Distribution: world
Message-ID: <3mg5oo$gpd@lyra.csx.cam.ac.uk>
References: <9504111856.ZM5178@sneezy.fhis.net>
NNTP-Posting-Host: nirvana.bioc.cam.ac.uk

In article <9504111856.ZM5178@sneezy.fhis.net>, barry@SNEEZY.FHIS.NET ("Barry Schweitzer") writes:
 > Collaborators of ours have a protein cloned and expressed in the P. pastoris
 > yeast system.  It shouldn't be hard (or expensive) to 13C-label the protein;
 > the bugs grow on methanol as their sole carbon source.  However, all
 > the protocols that I have seen call for yeast nitrogen base as the nitrogen
 > source.  I haven't seen anyone selling this in 15N-form.  Does anyone

I have 15N labelled in S.cerevisiae using bought YNB without ammonium sulphate supplemented with 15N ammonium sulphate. Results were good. I see no reason why this shouldn't work for pichia too. 

-- 
Brian Smith					Dept. of Biochemistry,
email:	bos@bioc.cam.ac.uk			University of Cambridge,
Tel:	+44 01223 333744/679/499		Cambridge. CB2 1QW.

From owner-structural-nmr@net.bio.net Wed Apr 12 23:00:00 1995
Path: biosci!agate!holonet!colossus.holonet.net!NewsWatcher!user
From: g_ashley@holonet.net (Gary W. Ashley)
Newsgroups: bionet.structural-nmr
Subject: Re: looking for Le x
Date: Thu, 13 Apr 1995 12:06:47 -0800
Organization: HoloNet National Internet Access System: 510-704-1058/modem
Lines: 16
Distribution: world
Message-ID: <g_ashley-1304951206470001@157.151.130.27>
References: <199504122051.NAA16698@net.bio.net> <Pine.A32.3.91.950413093616.122431B-100000@red.weeg.uiowa.edu>
NNTP-Posting-Host: gashley.ip.holonet.net

In article <Pine.A32.3.91.950413093616.122431B-100000@red.weeg.uiowa.edu>,
anlackey@BLUE.WEEG.UIOWA.EDU ("A. Lackey") wrote:

> I am currently looking for the molecular quardinents of the published 
> structures of Le x, sLe x and the sulfated Le x.   Is the structure of 
> any  ( or all) of these compounds in a database accessable to the public ?
> 
> If not what is the best way to obtain these structures.   Should one 
> write the author ?  
> 
I think it is always a good idea to first try and get the coordinates from
the people who published them.  You stand a good chance of getting the
latest updated data, and it lets them know that someone out there
appreciates and can use their hard-earned results.

GW Ashley

From owner-structural-nmr@net.bio.net Wed Apr 12 23:00:00 1995
Path: biosci!rutgers!uwm.edu!cs.utexas.edu!news.sprintlink.net!holonet!colossus.holonet.net!NewsWatcher!user
From: g_ashley@holonet.net (Gary W. Ashley)
Newsgroups: bionet.structural-nmr
Subject: Re: C13 NMR chemical shifts
Date: Wed, 12 Apr 1995 20:43:31 -0800
Organization: HoloNet National Internet Access System: 510-704-1058/modem
Lines: 15
Distribution: world
Message-ID: <g_ashley-1204952043320001@157.151.130.27>
References: <199504111910.QAA13635@styx.iqm.unicamp.br>
NNTP-Posting-Host: gashley.ip.holonet.net

In article <199504111910.QAA13635@styx.iqm.unicamp.br>,
elcana@IQM.UNICAMP.BR (Anselmo Elcana de Oliveira) wrote:

> Hi netters,
> 
> Does anybody know where I can find a program to calculate the C13 NMR
> chemical shifts? I'm also looking for a data bank of chemical shifts.
> 

I would suggest the book by Breitmaier for a fairly comprehensive
tabulation of 13C chemical shifts, at least of small molecules.  I don't
know if such a tabulation exists for proteins.  Calculation of 13C shifts
is somewhat problematic, if not an outright art form.

GW Ashley

From owner-structural-nmr@net.bio.net Wed Apr 12 23:00:00 1995
Path: biosci!BLUE.WEEG.UIOWA.EDU!anlackey
From: anlackey@BLUE.WEEG.UIOWA.EDU ("A. Lackey")
Newsgroups: bionet.structural-nmr
Subject: Re: C13 NMR chemical shifts
Date: 13 Apr 1995 08:02:50 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 20
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <Pine.A32.3.91.950413094914.122431C-100000@red.weeg.uiowa.edu>
References: <g_ashley-1204952043320001@157.151.130.27>
NNTP-Posting-Host: net.bio.net



On Wed, 12 Apr 1995, Gary W. Ashley wrote:

> Date: Wed, 12 Apr 1995 20:43:31 -0800
> From: Gary W. Ashley <g_ashley@holonet.net>
> To: str-nmr@net.bio.net
> Subject: Re: C13 NMR chemical shifts
> 
> > Does anybody know where I can find a program to calculate the C13 NMR
> > chemical shifts? I'm also looking for a data bank of chemical shifts.
> > 
There is no database that I am aware of but there are plenty of good 
listings that have been published.  There is a good account of many of 
the smaller molecules through 13C shifts but probably not so much in the 
way of large molecules ( protiens ).   Also the shifts of 13C are 
exquisidly sensitive to solvent and temperature which may cause some 
listings to be problamatic.
		sorry I was not more help,
		 Anthony lackey

From owner-structural-nmr@net.bio.net Wed Apr 12 23:00:00 1995
Path: biosci!BLUE.WEEG.UIOWA.EDU!anlackey
From: anlackey@BLUE.WEEG.UIOWA.EDU ("A. Lackey")
Newsgroups: bionet.structural-nmr
Subject: looking for Le x
Date: 13 Apr 1995 07:52:00 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 10
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <Pine.A32.3.91.950413093616.122431B-100000@red.weeg.uiowa.edu>
References: <199504122051.NAA16698@net.bio.net>
NNTP-Posting-Host: net.bio.net

I am currently looking for the molecular quardinents of the published 
structures of Le x, sLe x and the sulfated Le x.   Is the structure of 
any  ( or all) of these compounds in a database accessable to the public ?

If not what is the best way to obtain these structures.   Should one 
write the author ?  

Anthony Lackey

anlackey@blue.weeg.uiowa.edu

From owner-structural-nmr@net.bio.net Wed Apr 12 23:00:00 1995
Path: biosci!daresbury!trane.uninett.no!Norway.EU.net!EU.net!Germany.EU.net!zib-berlin.de!informatik.tu-muenchen.de!lrz-muenchen.de!ipp-garching.mpg.de!kaki!cieslar
From: cieslar@mango.biochem.mpg.de ()
Newsgroups: bionet.structural-nmr
Subject: Software for 3D and 2D available for SGI Machines
Date: 13 Apr 1995 11:19:57 GMT
Organization: Rechenzentrum der Max-Planck-Gesellschaft in Garching
Lines: 22
Message-ID: <3mj1ct$qoq@sat.ipp-garching.mpg.de>
NNTP-Posting-Host: kaki.biochem.mpg.de
X-Newsreader: TIN [version 1.2 PL2]

In the last years the program ccnmr was developed for processing
display (and assignment to some degree) was developed. 
It was implemented on CONVEX and Silicon Graphics workstations,
where it also available in parallelized version for multiprocessor
Systems. 
It can process serial files from Bruker and Varian Spectrometers,
and is able to read processed Bruker files. 
The processing program may make an online connection to an
other SGI workstation for graphic display.

It is available via anonymous ftp from

mango.biochem.mpg.de

You may test the capabilties of the graphic program by 
getting the files in:
pub/nmrdemo
The program as well as Testspectra are included.
README contains instructions.

The  executables for the rest of the ccnmr program are
in pub/ccnmr along with the  users manual.

From owner-structural-nmr@net.bio.net Thu Apr 13 23:00:00 1995
Path: biosci!agate!holonet!colossus.holonet.net!NewsWatcher!user
From: g_ashley@holonet.net (Gary W. Ashley)
Newsgroups: bionet.structural-nmr
Subject: Re: C13 NMR chemical shifts
Date: Thu, 13 Apr 1995 20:41:12 -0800
Organization: HoloNet National Internet Access System: 510-704-1058/modem
Lines: 27
Distribution: world
Message-ID: <g_ashley-1304952041120001@157.151.130.27>
References: <g_ashley-1204952043320001@157.151.130.27> <Pine.A32.3.91.950413094914.122431C-100000@red.weeg.uiowa.edu>
NNTP-Posting-Host: gashley.ip.holonet.net

In article <Pine.A32.3.91.950413094914.122431C-100000@red.weeg.uiowa.edu>,
anlackey@BLUE.WEEG.UIOWA.EDU ("A. Lackey") wrote:

> On Wed, 12 Apr 1995, Gary W. Ashley wrote:
> 
> > Date: Wed, 12 Apr 1995 20:43:31 -0800
> > From: Gary W. Ashley <g_ashley@holonet.net>
> > To: str-nmr@net.bio.net
> > Subject: Re: C13 NMR chemical shifts
> > 
> > > Does anybody know where I can find a program to calculate the C13 NMR
> > > chemical shifts? I'm also looking for a data bank of chemical shifts.
> > > 
> There is no database that I am aware of but there are plenty of good 
> listings that have been published.  There is a good account of many of 
> the smaller molecules through 13C shifts but probably not so much in the 
> way of large molecules ( protiens ).   Also the shifts of 13C are 
> exquisidly sensitive to solvent and temperature which may cause some 
> listings to be problamatic.
>                 sorry I was not more help,
>                  Anthony lackey

Sorry, but I did not post the above-mentioned message...I did, however,
post a reply to the message.  I am *not* looking for info on 13C chemical
shifts.

GW Ashley

From owner-structural-nmr@net.bio.net Fri Apr 14 23:00:00 1995
Path: biosci!rutgers!uwm.edu!cs.utexas.edu!news.sprintlink.net!uunet!in1.uu.net!fonorola!news.compulink.com!cedrick
From: cedrick@cml.com (Lee Boros)
Newsgroups: bionet.structural-nmr
Subject: Help On Gortex
Date: 14 Apr 1995 16:58:20 GMT
Organization: ComputerLink Online Inc.
Lines: 14
Message-ID: <3mm9jc$o71@news.compulink.com>
NNTP-Posting-Host: cml.com
X-Newsreader: TIN [version 1.2 PL2]

Hi, I'm doing a Chemistry Project on Gortex.  I am in Grade 12 and I am 
trying to find some informtaion on the internet but am having great 
difficulties.  Does anyone know where I can search for information on 
this molecule?

-Lee

 -------------------------------------------------------------------
 : ComputerLink Online Inc.            Realms of Despair!          :
 : (416)233-5410, 232 lines            telnet realms.game.org 4000 :
 : T1 bandwidth, 300-28,800 bps        endless medieval enjoyment! :
 :                                                                 :
 : Join our International Teleconference:  chat.compulink.com 9000 :
 -------------------------------------------------------------------

From owner-structural-nmr@net.bio.net Mon Apr 17 23:00:00 1995
Path: biosci!rutgers!uwm.edu!psuvax1!news.cc.swarthmore.edu!netnews.upenn.edu!elmo.tju.edu!usenet
From: James Varnum <varnum@lac.jci.tju.edu>
Newsgroups: bionet.structural-nmr
Subject: Circular Dichroism on a Dichro CD6
Date: 18 Apr 1995 17:52:30 GMT
Organization: Thomas Jefferson University
Lines: 5
Message-ID: <3n0u8u$9er@elmo.tju.edu>
NNTP-Posting-Host: lennon.jci.tju.edu

I need help fixing a problem on a CD6 . Recently the signal to noise 
below 200 nm has gotten terrible ! The manufacturer only suggestion is 
to replace the mirrors  , yet the machine is only 3 years old. 
Any help or suggestions willl be greatly appreciated. 
J. M. Varnum  Thomas Jefferson University , NMR Facility

From owner-structural-nmr@net.bio.net Mon Apr 17 23:00:00 1995
Path: biosci!RISC1.LRM.FI.CNR.IT!isabella
From: isabella@RISC1.LRM.FI.CNR.IT
Newsgroups: bionet.structural-nmr
Subject: help on e-cosy
Date: 18 Apr 1995 01:30:24 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 16
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <9504180818.AA17354@risc1.lrm.fi.cnr.it>
NNTP-Posting-Host: net.bio.net

Help!!!

I am trying to perform an e-cosy type spectrum
to measure 3JHNHA couplings, but I have not
succeded yet.... I have not idea where are my
mistakes.. I am working with a Bruker instrument.
Can anyone send me a beautiful, mistake-less
sequence with instructions for beginners?

Fast help is appreciated because my NMR time expires soon!

Thanks a lot

Isabella

isabella@risc1.lrm.fi.cnr.it

From owner-structural-nmr@net.bio.net Tue Apr 18 23:00:00 1995
Path: biosci!agate!sunsite.doc.ic.ac.uk!daresbury!not-for-mail
From: bryan@freja.fkem2.lth.se (Bryan Finn)
Newsgroups: bionet.structural-nmr
Subject: Re: Circular Dichroism on a Dichro CD6
Date: 19 Apr 1995 09:00:02 +0100
Lines: 37
Sender: lpddist@mserv1.dl.ac.uk
Distribution: bionet
Message-ID: <3n2fu2$s47@mserv1.dl.ac.uk>
Original-To: str-nmr@dl.ac.uk


J.M.,

If cleaning the mirrors doesn't help, then the problem is probably caused
by too much oxygen in the system.  This oxygen is converted to ozone by the
Xenon lamp and this ozone is what is degrading the mirrors.  Most 
manufacturers (e.g. Jasco and Aviv) usually recommend using ultra-pure
N2 to purge the entire system of oxygen during use.  Unfortunately, your
manufacturer is correct in that the only remedy is replacing the mirrors
if this is the case.  After the mirror replacement, you should make sure
that you have a source of nitrogen to flush the system with (e.g. ultrapure
N2 gas or boil-off from a liquid N2 tank).  An adequate N2 flow rate should
prolong the life of your new mirrors by at least 2-3 fold.  Ask your
manufacturer or even another manufacturer for details.  (It's surprising
that they didn't stress this when installing the machine).

Bryan Finn






___________________________________________________________________
|                                                                 |
|  Dr. Bryan Finn                                                 |
|  Department of Physical Chemistry 2       Tel: +46-46-222-8254  |
|  Chemical Center                          Fax: +46-46-222-4543  |
|  University of Lund                                             |
|  POB 124                                                        |
|  S-221 00 Lund Sweden        e-mail: bryan@freja.fkem2.lth.se   |
|       WWW: http://www.fkem2.lth.se/personnel/bryan/finn.html    |
|_________________________________________________________________|





From owner-structural-nmr@net.bio.net Tue Apr 18 23:00:00 1995
Path: biosci!ANDREW.CMU.EDU!ar1z+
From: ar1z+@ANDREW.CMU.EDU ("Alexander J. Ropelewski")
Newsgroups: bionet.structural-nmr
Subject: CCL:STRUCTURE DETERMINATION FROM NMR
Date: 19 Apr 1995 13:54:59 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 98
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <8jZLUIi00WB88DHVkO@andrew.cmu.edu>
NNTP-Posting-Host: net.bio.net

                    STRUCTURE DETERMINATION FROM NMR
                    Pittsburgh Supercomputing Center
                    June 25-28, 1995


Pittsburgh Supercomputing Center (PSC) is offering biomedical researchers a
"Structure Determination From NMR" Workshop.  The objective is to introduce
participants to the different techniques for the elucidation of solution
structures of biological macromolecules from nuclear magnetic resonance data.
The workshop is free to academic participants.


The worskhop will consist of lectures and extensive hands-on sessions.
The programs AMBER, Mardigras and MidasPlus will be discussed.  Hands-on
sessions will be emphasized.
Participants will be able to work on the examples
provided or on their own experimental data.
No prior supercomputing experience is necessary.

Workshop leaders are: Dr. David Case, The Scripps Research Institute; and
Drs Thomas James, Julie Newdoll and Uli Schmitz,
University of California, San Francisco.

This workshop is funded by a grant from the Biomedical Research Technology
Program, National Center for Research Resources, National Institutes of
Health. TRAVEL, MEALS AND HOTEL ACCOMMODATIONS FOR RESEARCHERS AFFILIATED
WITH U.S. ACADEMIC INSTITUTIONS ARE SUPPORTED BY THIS GRANT.
Enrollment is limited to 20.  An application form is included.
Deadline for applications is April 28, 1995.

Additional information about this workshop can be found in
http://pscinfo.psc.edu/biomed/workshops95.html




                             * * * * * * * * * *



                             PITTSBURGH SUPERCOMPUTING CENTER
                             BIOMEDICAL  INITIATIVE
                             STRUCTURE DETERMINATION FROM NMR
                             June 25-28, 1995

                             APPLICATION


Name:________________________________________________________________________

Affiliation:_________________________________________________________________

Address:_____________________________________________________________________
                                  (Business)
_____________________________________________________________________________

____________________________________________________________________________
                                    (Home)
____________________________________________________________________________

Telephone:  ____________________              ______________________
                (Business)                            (Home)

*Social Security Number:  _______-_____-_______    Citizenship: ____________

Electronic Mail Address:____________________________________________________

Status: ___Graduate  ___Post-doctoral Fellow  ___Faculty  ___Other (specify)

Please indicate specifically any special housing, transportation or dietary
arrangements you will need:  _______________________________________________

How did you learn about this workshop? _____________________________________


REQUIREMENTS:

Applicants must submit a completed application form and a cover letter. The
letter should describe, in one or two paragraphs, your current research and
how participating in the workshop will enhance this research.  Please
include a brief statement describing your level of experience with computers.
Faculty members, staff and post-docs should provide a curriculum vita.
Graduate students must have a letter of recommendation from a faculty member.

Please return all application materials by APRIL 28, 1995 to:

          Biomedical Workshop Applications Committee
          Pittsburgh Supercomputing Center
          4400 Fifth Avenue, Suite 230C
          Pittsburgh, PA 15213

Direct inquiries to: Nancy Blankenstein, blankens@psc.edu or 412/268-4960.

*Disclosure of Social Security Number is voluntary.

PSC does not discriminate on the basis of race, color, religion, sex, age,
creed, national or ethnic origin, or handicap.


From owner-structural-nmr@net.bio.net Tue Apr 18 23:00:00 1995
Path: biosci!agate!howland.reston.ans.net!swrinde!cs.utexas.edu!news.sprintlink.net!noc.netcom.net!usenet.eel.ufl.edu!news-feed-1.peachnet.edu!news.duke.edu!godot.cc.duq.edu!newsfeed.pitt.edu!uunet!newstf01.news.aol.com!newsbf02.news.aol.com!not-for-mail
From: chemotaxis@aol.com (Chemotaxis)
Newsgroups: bionet.structural-nmr
Subject: Re: Circular Dichroism on a Dichro CD6
Date: 19 Apr 1995 02:16:09 -0400
Organization: America Online, Inc. (1-800-827-6364)
Lines: 7
Sender: root@newsbf02.news.aol.com
Message-ID: <3n29r9$ih8@newsbf02.news.aol.com>
References: <3n0u8u$9er@elmo.tju.edu>
Reply-To: chemotaxis@aol.com (Chemotaxis)

I have heard that that mirrors may need cleaning over a period
of time.  Depending on the conditions of use and the evirons, the mirrors
may get a dust film coverage - which when cleaned (carefully) may
improve on the noise level at lower wavelengths.  (I suppose you have
checked the light source?)

G.DeKoster

From owner-structural-nmr@net.bio.net Fri Apr 21 23:00:00 1995
Path: biosci!bloom-beacon.mit.edu!gatech!newsfeed.pitt.edu!ehdup-i-6.rmt.net.pitt.edu!user
From: pxpst2@pitt.edu (Peter Pediaditakis)
Newsgroups: bionet.structural-nmr
Subject: Re: Help On Gortex
Date: Sat, 22 Apr 1995 00:15:11 -0600
Organization: Scientist
Lines: 7
Message-ID: <pxpst2-2204950015110001@ehdup-i-6.rmt.net.pitt.edu>
References: <3mm9jc$o71@news.compulink.com>
NNTP-Posting-Host: ehdup-i-6.rmt.net.pitt.edu

If you want to learn more about this molecule start with a college
library. If you do a archie search you might find something.  Also check
with dupont's computor because they have the patent on it.  
All I know about gortex is that it is teflon that is streched at a
specific force and temperature thus forming gortex.  It has a unique
property in that it allows water to pas in only one direction.  It was
invented by accident/hapistance.

From owner-structural-nmr@net.bio.net Sat Apr 22 23:00:00 1995
Path: biosci!gandalf.psf.sickkids.on.ca!ouwen
From: ouwen@gandalf.psf.sickkids.on.ca (ouwen)
Newsgroups: bionet.structural-nmr
Subject: subscribe
Date: 23 Apr 1995 09:38:01 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 2
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <9504231638.AA09304@elrond.psf.sickkids.on.ca>
NNTP-Posting-Host: net.bio.net

subscribe Ouwen Zhang


From owner-structural-nmr@net.bio.net Sun Apr 23 23:00:00 1995
Path: biosci!adam.cc.sunysb.edu!news.sprintlink.net!pipex!howland.reston.ans.net!gatech!newsjunkie.ans.net!inet.d48.lilly.com!sherwood.d46.lilly.com!gfn
Newsgroups: bionet.structural-nmr
Subject: Re: Circular Dichroism on a Dichro CD6
Message-ID: <1995Apr24.133244.4616@inet.d48.lilly.com>
From: Greg Needham <gfn@Lilly.com>
Date: 24 Apr 95 13:32:43 EST
References: <3n0u8u$9er@elmo.tju.edu>
Distribution: world
Organization: Eli Lilly and Co.
Nntp-Posting-Host: sherwood.d46.lilly.com
X-UserAgent: Version 1.1.3
X-XXMessage-ID: <ABC1595867013905@sherwood.d46.lilly.com>
X-XXDate: Mon, 24 Apr 95 13:34:16 GMT
Lines: 11

varnum@lac.jci.tju.edu (James Varnum)

I would echo the last post.  Replace (and align) the lamp before I would
touch the mirrors.  My problems with light intensity (S/N) usually go
away with a new lamp.


************************************************************************
gfn@lilly.com
All opinions are my own and do not represent my company
************************************************************************

From owner-structural-nmr@net.bio.net Sun Apr 23 23:00:00 1995
Path: biosci!bcm!cs.utexas.edu!howland.reston.ans.net!vixen.cso.uiuc.edu!uwm.edu!msunews!netnews.upenn.edu!elmo.tju.edu!usenet
From: James Varnum <varnum@lac.jci.tju.edu>
Newsgroups: bionet.structural-nmr
Subject: Oxford Magnet
Date: 24 Apr 1995 20:05:39 GMT
Organization: Thomas Jefferson University
Lines: 4
Message-ID: <3nh0aj$7ks@elmo.tju.edu>
NNTP-Posting-Host: watson.jci.tju.edu

Does anyone have the E-mail address or phone number for Oxford 
Magnets?
Thanks , J. Varnum


From owner-structural-nmr@net.bio.net Mon Apr 24 23:00:00 1995
Path: biosci!bcm!cs.utexas.edu!howland.reston.ans.net!news.cac.psu.edu!news.pop.psu.edu!psuvax1!news.cc.swarthmore.edu!netnews.upenn.edu!elmo.tju.edu!usenet
From: James Varnum <varnum@lac.jci.tju.edu>
Newsgroups: bionet.structural-nmr
Subject: Nucleic Structure Parameters
Date: 25 Apr 1995 19:52:20 GMT
Organization: Thomas Jefferson University
Lines: 3
Message-ID: <3njjtk$1lm@elmo.tju.edu>
NNTP-Posting-Host: watson.jci.tju.edu

I need help in obtaining software that will assist in determining 
nucleic acid structure parameters , i.e. propeller twist etc.
Thanks jim varnum

From owner-structural-nmr@net.bio.net Tue Apr 25 23:00:00 1995
Path: biosci!MAILBOX.SYR.EDU!ipelczer
From: ipelczer@MAILBOX.SYR.EDU (Istvan  Pelczer)
Newsgroups: bionet.structural-nmr
Subject: two water signals
Date: 26 Apr 1995 08:09:29 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 21
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <Pine.SUN.3.91.950426110838.23030D-100000@kong.syr.edu>
NNTP-Posting-Host: net.bio.net


Dear Netters,

In DMSO there are usually two water signals;  the main signal is 
accompanied by another smaller water resonance at somewhat higher fields.  I 
don't remember what is this second signal about -- is it the fraction of the 
water which is strongly interacting with DMSO, or something else?
I appreciate your comments,

Istvan


================================
Istvan Pelczer, Ph.D.
Res. Assist. Professor
Chemistry Department, CST Bldg.
Syracuse University
Syracuse, NY 13244-4100
ph: (315) 443 1023 or x-5932
fax: x-1022(lab) or x-4070(dept)


From owner-structural-nmr@net.bio.net Tue Apr 25 23:00:00 1995
Path: biosci!MAILBOX.SYR.EDU!ipelczer
From: ipelczer@MAILBOX.SYR.EDU (Istvan Pelczer)
Newsgroups: bionet.structural-nmr
Subject: CD-R/W
Date: 26 Apr 1995 08:03:58 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 21
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <Pine.SUN.3.91.950426110315.23030C-100000@kong.syr.edu>
NNTP-Posting-Host: net.bio.net


Dear Netters,

We are considering to purchase a read-write EOM unit for archiving our 
data.  I would appreciate if you could share with me your experience on 
such devices and give an advise which model(s) are most reliable and 
cost-efficient.
Thank you,

Istvan


================================
Istvan Pelczer, Ph.D.
Res. Assist. Professor
Chemistry Department, CST Bldg.
Syracuse University
Syracuse, NY 13244-4100
ph: (315) 443 1023 or x-5932
fax: x-1022(lab) or x-4070(dept)


From owner-structural-nmr@net.bio.net Wed Apr 26 23:00:00 1995
Path: biosci!rutgers!gatech!howland.reston.ans.net!news.sprintlink.net!holonet!colossus.holonet.net!NewsWatcher!user
From: g_ashley@holonet.net (Gary W. Ashley)
Newsgroups: bionet.structural-nmr
Subject: Re: two water signals
Date: Wed, 26 Apr 1995 18:09:08 -0800
Organization: HoloNet National Internet Access System: 510-704-1058/modem
Lines: 21
Distribution: world
Message-ID: <g_ashley-2604951809080001@157.151.130.27>
References: <Pine.SUN.3.91.950426110838.23030D-100000@kong.syr.edu>
NNTP-Posting-Host: gashley.ip.holonet.net

In article <Pine.SUN.3.91.950426110838.23030D-100000@kong.syr.edu>,
ipelczer@MAILBOX.SYR.EDU (Istvan  Pelczer) wrote:

> Dear Netters,
> 
> In DMSO there are usually two water signals;  the main signal is 
> accompanied by another smaller water resonance at somewhat higher fields.  I 
> don't remember what is this second signal about -- is it the fraction of the 
> water which is strongly interacting with DMSO, or something else?

My thought is that the second signal is due to residual HOD from the
exchange reaction used to make the d6-DMSO.  As OH/OD exchange is so slow
in DMSO, especially at the low water concentrations we're talking about,
one can observe the isotope-shifted water signal.  It seems highly
unlikely that differential H-bonding is responsible, given the vast molar
excess of DMSO over water in these samples - there is plenty of DMSO
around to coordinate all the water, I would think.

That's my $0.02 worth...

Gary Ashley

From owner-structural-nmr@net.bio.net Wed Apr 26 23:00:00 1995
Newsgroups: bionet.structural-nmr
Path: biosci!ns1.faseb.org!darwin.sura.net!nih-csl!rvenable
From: rvenable@deimos.cber.nih.gov (Rick Venable)
Subject: Re: Nucleic Structure Parameters
Message-ID: <1995Apr26.230540.23732@alw.nih.gov>
Sender: postman@alw.nih.gov (AMDS Postmaster)
Nntp-Posting-Host: deimos.cber.nih.gov
Organization: FDA/CBER Biophysics Lab
X-Newsreader: TIN [version 1.2 PL2]
References: <3njjtk$1lm@elmo.tju.edu>
Date: Wed, 26 Apr 1995 23:05:40 GMT
Lines: 15

On 25 Apr 1995 19:52:20 GMT James Varnum pontificated:
> I need help in obtaining software that will assist in determining 
> nucleic acid structure parameters , i.e. propeller twist etc.
> Thanks jim varnum

There's a program contributed to Brookhaven (home of the PDB) which
does just that, using PDB formatted files.  I believe it's called
dnageom or dnaparm or something similar.  Check their gopher server,
or their ftp site.

--
Rick Venable                  =====\     |=|    "Eschew Obfuscation"
FDA/CBER Biophysics Lab       |____/     |=|
Bethesda, MD  U.S.A.          |   \  /   |=|  / Not an official statement \
rvenable@deimos.cber.nih.gov       \/    |=|  \  or position of the FDA.  /

From owner-structural-nmr@net.bio.net Wed Apr 26 23:00:00 1995
Path: biosci!bcm!cs.utexas.edu!howland.reston.ans.net!pipex!sunic!sunic.sunet.se!news.funet.fi!ousrvr.oulu.fi!eha
From: eha@paju.oulu.fi (Esa Haapaniemi)
Newsgroups: bionet.structural-nmr
Subject: Re: two water signals
Date: 27 Apr 1995 16:39:50 GMT
Organization: University of Oulu
Lines: 14
Distribution: world
Message-ID: <3nohcm$mst@ousrvr.oulu.fi>
References: <Pine.SUN.3.91.950426110838.23030D-100000@kong.syr.edu>
NNTP-Posting-Host: ernst.oulu.fi
Mime-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
X-Newsreader: TIN [version 1.2 PL2]

: In DMSO there are usually two water signals;  the main signal is 
: accompanied by another smaller water resonance at somewhat higher fields.  I 
: don't remember what is this second signal about -- is it the fraction of the 
: water which is strongly interacting with DMSO, or something else?
: I appreciate your comments,

Isn't that the HDO ? One proton has changed to deuterium and thus the
remaining proton gives shifted signal.

--
Esa Haapaniemi
University of Oulu
Department of Chemistry
Finland

From owner-structural-nmr@net.bio.net Wed Apr 26 23:00:00 1995
Path: biosci!CHEMF.RUTGERS.EDU!MARLA
From: MARLA@CHEMF.RUTGERS.EDU (Marla Babcock)
Newsgroups: bionet.structural-nmr
Subject: Nucleic Acid Parameters
Date: 26 Apr 1995 20:13:22 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 12
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <085455FA1EFF2007A6@chemf.rutgers.edu>
NNTP-Posting-Host: net.bio.net

        There are six programs for calculating nucleic acid
parameters that are readily distributed:
        Newhelib from Dickerson at UCLA (red@uclaue.mbi.ucla.edu)
        NUPARM from Bansal available from Brookhaven
        Curves 4 from Lavery (France) and Sklenar incorporated
                into Dials and Windows from Beveridge (in the Toolbox)
        NGEOM from Tung at los Alamos (cst@t10.lanl.gov)
        BasePair from E. von Kitzing (Germany) 
        and mine which has been sent to the author of the request.
                        Good luck
                                Marla Babcock (Marla@chemf.rutgers.edu)


From owner-structural-nmr@net.bio.net Thu Apr 27 23:00:00 1995
Path: biosci!NEUTRON.CHEM.YALE.EDU!rife
From: rife@NEUTRON.CHEM.YALE.EDU (Jason Rife)
Newsgroups: bionet.structural-nmr
Subject: two water peaks
Date: 27 Apr 1995 17:30:29 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 16
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <199504280030.UAA06609@neutron.chem.yale.edu>
NNTP-Posting-Host: net.bio.net

 Regarding the two water peaks in DMSO:
 
 Esa Haapaniemi wrote:
 
 Isn't that the HDO ? One proton has changed to deuterium and thus the
 remaining proton gives shifted signal. 
 
 
 My question is where does the deuterium come from to form HDO?  Is the 
 system under discussion a mix of DMSO and D20 with the water signals 
 coming from residual water?  Otherwise I don't see how HDO could be 
 formed and the answer is more complicated.
 
 Jason Rife.
 


From owner-structural-nmr@net.bio.net Fri Apr 28 23:00:00 1995
Path: biosci!bloom-beacon.mit.edu!gatech!swrinde!pipex!sunic!sunic.sunet.se!news.funet.fi!ousrvr.oulu.fi!mattisoi
From: mattisoi@paju.oulu.fi (Matti Soininen)
Newsgroups: bionet.structural-nmr
Subject: Re: two water peaks
Date: 29 Apr 1995 11:03:36 GMT
Organization: Univ. of Oulu , Dept. of Chemistry
Lines: 22
Distribution: world
Message-ID: <3nt6e8$j68@ousrvr.oulu.fi>
References: <199504280030.UAA06609@neutron.chem.yale.edu>
NNTP-Posting-Host: raita.oulu.fi
Mime-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
X-Newsreader: TIN [version 1.2 PL2]

Jason Rife (rife@NEUTRON.CHEM.YALE.EDU) wrote:

:  My question is where does the deuterium come from to form HDO?  Is the
:  system under discussion a mix of DMSO and D20 with the water signals
:  coming from residual water?  Otherwise I don't see how HDO could be
:  formed and the answer is more complicated.
:
:  Jason Rife.
:
If you are using deuterated DMSO (DMSO-d6) the deuterium comes from there
and exhanges with water protons to form HDO.     

--

#########################################################################
#	Matti Soininen 							#
#	Yliopistokatu 24 A 102						#
#	90570 OULU							#
#	p.981-5567 509							#
#	e-mail: mattisoi@phoenix.oulu.fi				#
#	http://phoenix.oulu.fi/~mattisoi				#
#########################################################################

From owner-structural-nmr@net.bio.net Sat Apr 29 23:00:00 1995
Path: biosci!MAILBOX.SYR.EDU!ipelczer
From: ipelczer@MAILBOX.SYR.EDU (Istvan  Pelczer)
Newsgroups: bionet.structural-nmr
Subject: Re: two water signals
Date: 30 Apr 1995 06:14:22 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 28
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <Pine.SUN.3.91.950430090716.3282A-100000@kong.syr.edu>
References: <Pine.SUN.3.91.950426110838.23030D-100000@kong.syr.edu>
NNTP-Posting-Host: net.bio.net


Dear Netters,

Thank you all who commented on the existence of a second water signal in 
DMSO-d6.  Most responded that it is the signal of HDO, while the main 
resonance belongs to H2O.  We have made a simple experiment which proves 
this option:  with a tiny fraction of D2O added the second signal 
increases significantly, which is not expected if it was a solvation 
phenomenon.  The spectra look pretty;  we'll show them in The NMR 
Newsletter (formerly TAMU Newsletter).
The origin of the D is still not clear, however.  Either it comes form 
the production of the DMSO-d6, or, I guess, some tautomeric process 
should be involved -- otherwise breaking a covalent C-D bond should be 
necessary.
Thanks again, I wish good sailing on the net,

Istvan


================================
Istvan Pelczer, Ph.D.
Res. Assist. Professor
Chemistry Department, CST Bldg.
Syracuse University
Syracuse, NY 13244-4100
ph: (315) 443 1023 or x-5932
fax: x-1022(lab) or x-4070(dept)


From owner-structural-nmr@net.bio.net Sun Apr 30 23:00:00 1995
Path: biosci!CHEM0SUN.CALSTATELA.EDU!glee
From: glee@CHEM0SUN.CALSTATELA.EDU (Ging Lee 12-06-90)
Newsgroups: bionet.structural-nmr
Subject: (none)
Date: 30 Apr 1995 22:40:38 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 2
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <9505010536.AA12356@chem0sun.calstatela.edu>
NNTP-Posting-Host: net.bio.net


subscribe and forward to glee@spartan2.calstatela.edu

From owner-structural-nmr@net.bio.net Sun Apr 30 23:00:00 1995
Path: biosci!MAILBOX.SYR.EDU!ipelczer
From: ipelczer@MAILBOX.SYR.EDU (Istvan  Pelczer)
Newsgroups: bionet.structural-nmr
Subject: Re: two water signals
Date: 1 May 1995 07:28:36 -0700
Organization: BIOSCI International Newsgroups for Molecular Biology
Lines: 64
Sender: daemon@net.bio.net
Distribution: world
Message-ID: <Pine.SUN.3.91.950501102418.3512H-100000@kong.syr.edu>
References: <9504301638.AA13715@bioc01.uthscsa.edu>
NNTP-Posting-Host: net.bio.net


Dear Raman,

I believe the answer could be a matter of interest for others on the net, 
too, so let me post it to them as well.
The NMR Newsletter, which functioned as TAMU Newsletter for a while has 
gained independency recently -- that's why the change in the name.  
Contribution is a requirement, yes.  For more information and 
subscription please, contact Professor Barry L. Shapiro at:  966 Elsinore 
Court, Palo Alto, CA 94303, or by fax:  (415) 493 1348.  Daytime phone 
(8am-10pm, PT):  (415) 493 5971.
Sincerely,

Istvan

================================
Istvan Pelczer, Ph.D.
Res. Assist. Professor
Chemistry Department, CST Bldg.
Syracuse University
Syracuse, NY 13244-4100
ph: (315) 443 1023 or x-5932
fax: x-1022(lab) or x-4070(dept)



On Sun, 30 Apr 1995, C.S.RAMAN wrote:

> Dear Istvan:
> 
> > phenomenon.  The spectra look pretty;  we'll show them in The NMR 
> > Newsletter (formerly TAMU Newsletter).
> 
> Since you brought it up, I was wondering how one can obtain a
> subscription to the NMR newsletter?  I used to receive it in the past
> but since the operation moved to Stanford (or CA?), I haven't had much
> contact.  What is the current status of the newsletter?  Do you still
> need to contribute to retain a subscription?
> 
> Thanks for your time.
> Best regards
> -raman
> -- 
>    _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
>    _/                                                                      _/
>    _/                           C.S.RAMAN                                  _/
>    _/                   Department of Biochemistry                         _/
>    _/            University of Texas Health Science Center                 _/
>    _/                     7703 Floyd Curl Drive                            _/
>    _/                  San Antonio, TX 78284-7760                          _/
>    _/                              USA                                     _/
>    _/                                                                      _/
>    _/                    Tel:     (210) 567-6623                           _/
>    _/                    Fax:     (210) 567-6595                           _/
>    _/                 E-mail:  raman@bioc01.uthscsa.edu                    _/
>    _/                                                                      _/
>    _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/  
>    _/                                                                      _/
>    _/      How can it be that mathematics, a product of human thought      _/ 
>    _/      independent of experience, is so admirably adapted to the       _/ 
>    _/      objects of reality?   -Albert Einstein                          _/
>    _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
> 
> 

