HELP!...Peptide synthesis

[Andrew Wallace]

In article <4ninjj$bf9 at mars.mahidol.ac.th>, stcas at mucc.mahidol.ac.th (Chanan Angsuthanasombat - ST) writes:
> We are planning to synthesize a 54-mer peptide which is a part of
> delta-endotoxin. Then we will determind secondary structure of this
> synthetic peptide.
> 1. As we want to order the peptide from peptide synthesis company with
>>95% purity, would you recommend us the reliable company/ies?
> 2. Are there any method ,besides CD and NMR, which can be used to
> determind the secondary structure of the 54-mer peptide?
> 
> Thank in advance for your kindly suggestions.
> 
> Jongrak
> stcas at mucc.mahidol.ac.th

      In response to 1) I would ask American Peptide, Peptides
      International, Bachem, Novabiochem  and Neosystem for
      quotations. N.B. No connection, just a satisfied customer! 
      2) Fourier-transform infra-red (FTIR) spectroscopy.

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      Andrew Wallace, Ph.D.
      School of Biology and Biochemistry
      The Queen's University of Belfast           Tel. +44-1232-335786
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