shahrbanoo karbalaee wrote:
thank you justin
in papers net charge of peptide is calculated +1,with amidated in
terminal. that I defined with flag -ter in pdbf2gmx .and when I
add tfe in system I see in pdb files lys is changed LYSH.
OK, so your peptide has a +1 charge. Double check this in your .top (qtot at
the last line in the [ atoms ] section). Then just add 1 Cl- in the solvent
(probably best to use water) using genion. I've gotten lost as to what the
actual problem is any more, but if you have a +1 peptide, it seems clear to me
that 1 Cl- belongs in your system.
-Justin
best
--
========================================
Justin A. Lemkul
Graduate Research Assistant
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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