On 9/9/12 8:42 AM, Shima Arasteh wrote:
Hi all,
I am simulating a system of protein and water. My protein is composed of 2
monomers, each monomer has its own C- and N-terminus, so there are 2
N-terminals and 2 C-terminals.
I have a pdb of two monomers as dimer.pdb.
I tried to generate topology of dimer.pdb. But 2 monomers are identified as one
fragment which has one -N-terminus and one C-terminus! So the generated
topology file and the total charge would be incorrect.
How can I solve it? Any suggestions please?
The chains need to be either separated by a TER entry or have different chain
identifiers. pdb2gmx uses the -chainsep option to control the criteria for a
new chain, and by default it uses either of these.
-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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