Dear Xplor community, I would like to append an uncommon post translational modification to the N-terminus of a peptide sequence. I have been trying to model the residue using Gaussian to obtain optimized cartesian coordinates, but I feel there must be a simple way to alter the Xplor library and/or sequence file to include the modification. Would anyone have a script for something like this or can outline what to do for me? Thanks.
Tom Smith University of Utah Department of Medicinal Chemistry
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