Many short peptides(5 residues or less) are hygrospcopic and cannot be
precipitated with ether. After TFA cleavage, evaporate the TFA and add water
to the residue, proceed to lyophilization.
Anita Hong
AnaSpec, Inc.
2149 O'Toole Avenue, Suite F
San Jose, CA 95131
(408)452-5055 (phone)
(408)452-5059 (fax)
e-mail: service@anaspec.com
home-page: www.anaspec.com
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AnaSpec was recognized as a "Leader of the Pack"
in custom peptide synthesis by The Scientist (October 27, 1997)
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-----Original Message-----
From: Bao-Shiang Lee <boblee@uic.edu>
To: Recipients of ABRF List <abrf@aecom.yu.edu>
Date: Tuesday, February 09, 1999 5:11 AM
Subject: Short peptide
>Hi everyone,
>
>I am trying to synthesize two short peptides (1. c(amc)vgc(amc) and 2.
>avga). After cleavage, they can not be precipitated by ether. Mass spectra
>show they are there. Any suggestions would be appriciated.
>
>Best regards,
>
>
>Bob Lee
>
>