multiple colored strands in MOLSCRIPT?

P A Keller bsspak at midge.bath.ac.uk
Mon Aug 8 04:29:04 EST 1994


In the referenced article, raman at BIOC01.UTHSCSA.EDU (C.S.RAMAN) writes:
>Matt:
>
>> I would like to have several colors on the same strand in a plot using
>> MOLSCRIPT.  For example, if the strand goes from residue 1 to residue 10,
>
>> So, is this possible?  
>> 
>
>I think it is.  You will have to use Molscript V1.4 to create an apporpriate output
>file for the program RASTER3D (you can fetch a copy from
>stanzi.bchem.washington.edu) and then use the latter to highlight anything you
>want. RASTER3D is quite nice in that you can create a colour definition file (this
>is in the PDB format) having the necessary instructions for different residues.
>

Not quite. In Molscript, if you recall, you do something like this, for
a strand:

  set planecolour ..... ;
  strand from 10 to 20 ;

The whole strand is then the colour you have specified. Raster3D will allow
you to generate ribbons from your coordinates, with varying colours, but
you cannot get strands with arrow heads like Molscript does.  Another
drawback with using Raster3D is that it produces atrocious-looking
bitmapped postscript (this is really postscript's fault, not Raster3D's),
so if you use it, you are better off taking photos from the screen (which
can give really spectacular results). Rasmol/raswin (at least in it's PC
version) produces vector postscript which may give good results, but I
haven't got around to investigating this yet. You can get the latest
versions of rasmol/raswin by anonymous ftp from
colonsay.dcs.ed.ac.uk:/export/rasmol/ .

Good luck,
Peter.

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