On 12/16/12 10:34 AM, James Starlight wrote:
Justin, thanks again for explanation.
So the first 5 atoms in cmap.it correspond to the starting sequence of
the backbone atoms of the amino acid doesnt it ? So what is the 24 24
numbers at the end of each cmap line ?
Probably something related to how Gromacs tools read in the CMAP data. I don't
have time to go through the code to find exactly how it's used.
E.g in the C NH1 CT1 C NC=O 1 24 24\ the first C B CA C N atoms would
be assigned as the backbone. That lines were added after grompp
produce error about unknown cmap for that 5 atoms of the chromophore.
Should the 24 24 \ be removed from each line of the chromophore cmap ?
You shouldn't be modifying anything about cmap.itp, nor should those numbers be
present in your .rtp file. Your [cmap] directive in the .rtp entry should
contain a sequence of 5 atom names to which the CMAP corrections are applied.
-Justin
--
========================================
Justin A. Lemkul, Ph.D.
Research Scientist
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
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