Re: AMBER: REMD: Hybrid topology file

From: Carlos Simmerling <carlos.csb.sunysb.edu>
Date: Wed, 30 Aug 2006 10:48:20 -0400

I have not used a rdparm prmtop for hybrid calculations, that
may be the problem. Try making a prmtop in leap without a box
and see if it helps. If not, send me your prmtop directly and I'll
see if I can track down the problem.
carlos



Austin B. Yongye wrote:

>Dear AMBER users,
>I tried to do a hybrid REMD in AMBER9, but got this error message:
>
> "GB/PB calculations now require a new-style prmtop file"
>
>The full topology file was created by LEAP in AMBER8.
>The entire system has 670 water molecules. But I would like to keep only
>100 for energy calculation during replica exchange.
>The hybrid parmtop file, was generated using the stripwater option in
>rdparm. The bottom of my hybrid parmtop file has box information, but the
>ala3.sol.top.strip in the rem_hybrid test directory does not.
>So, is there a particular way of generating this hybrid parmtop file?
>Thanks,
>austin-
>
>PS. Standard REMD works with parmtop files generated in AMBER8
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Received on Sun Sep 03 2006 - 06:07:04 PDT
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