[phenixbb] Restraints file for a new amino acid residue

Joseph Noel noel at salk.edu
Mon Aug 16 09:54:14 PDT 2010


I sent you the associated pdb file as an attachment. The site in question is 169 in both monomer A and monomer B. I think one way around the problem for me is to create alternative conformations for the residues on either end of the modified cysteine. In that way I can refine each as a section of alternative conformations and then I think things should link up both in Phenix and COOT. COOT is particularly problematic. It only recognizes conformer A and not any additional conformers for a particular position if the name of the amino acid changes. I guess my case is not that common - ie a mixture of oxidation states of a regular amino acid. 

Joseph P. Noel, Ph.D.
Investigator, Howard Hughes Medical Institute
Professor, The Jack H. Skirball Center for Chemical Biology and Proteomics
The Salk Institute for Biological Studies
10010 North Torrey Pines Road
La Jolla, CA  92037 USA

Phone: (858) 453-4100 extension 1442
Cell: (858) 349-4700
Fax: (858) 597-0855
E-mail: noel at salk.edu

Web Site (Salk): http://www.salk.edu/faculty/faculty_details.php?id=37
Web Site (HHMI): http://hhmi.org/research/investigators/noel.html

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