On Sun, 2021-08-01 at 00:54 +0000, Prasun Kumar wrote: > Hi All: > > I am trying to solve a structure that has got D-amino acids. The sequence has > also got few achiral residues but is > mentioned as a part of L-peptide in the monomer library. For example GLY or > AIB. Since my sequence has all D-amino > acids, I was thinking of some method by which these achiral residues can be > treated as a part of D-peptide without > changing the three-letter code. > I have tried copying the cif file from the Coot monomer library and use it as > a restrain file after modifying the L- > peptide to D-peptide. It has not worked. > >
Have a look at one (or more) of the Gramicidin structures. Paul. ######################################################################## To unsubscribe from the CCP4BB list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1 This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list hosted by www.jiscmail.ac.uk, terms & conditions are available at https://www.jiscmail.ac.uk/policyandsecurity/