Re: amber-developers: leaprc questions

From: Carlos Simmerling <carlos.simmerling.gmail.com>
Date: Sat, 31 Mar 2007 16:10:04 -0400

there is no such thing as ff03 DNA or RNA parameters, at least not yet.

On 3/31/07, Scott Brozell <sbrozell.scripps.edu> wrote:
> Hi,
>
> Why does this file not exist: leaprc.rna.ff03 ?
>
> Why is the organization of the leaprc files inconsistent ?
> One would expect that a diff between dna and rna leaprc pairs
> would show only dna and rna diffs. Instead there are some
> curious and irrelevant diffs: diff leaprc*.ff94
> (what's up with { "EP" "" "sp3" } ? how about consistent comments ?)
>
> Missing atom types for ions were finally added in ff03, but why
> were they missing in ff99, etc ? The comment in ff03 is useless:
> # things should be there
>
>
> I plan to upgrade DOCK's Amber Score from ff94 to ff03.
> Comments are welcome.
>
> Scott
>
>


-- 
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Carlos L. Simmerling, Ph.D.
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Stony Brook University        E-mail: carlos.simmerling.gmail.com
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Received on Sun Apr 01 2007 - 06:08:00 PDT
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