[gmx-users] NADP in ffG43a1.rtp
David van der Spoel
spoel at xray.bmc.uu.se
Tue Dec 20 09:28:16 CET 2005
Satyan Sharma wrote:
> Hi all,
> I wanted to make a topology for CoenzymeA and thus I was looking at NADP
> rtp entry in ffG43a1.rtp and realsied that there are only 2 Phosphorus atoms (so 2
> phsophates) in NADP. Here are the two entries:
> AP P 0.76000 0
> NP P 0.76000 1
> But NADP has three phosphates.
> Am I missing something..being stupid!!
Don't think so. The entry has only two phosphates, and it is the lower
group in the picture that is missing. After a look in a biochemistry
book it seems that this is in fact NAD+, rather than NADP+.
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David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596, 75124 Uppsala, Sweden
phone: 46 18 471 4205 fax: 46 18 511 755
spoel at xray.bmc.uu.se spoel at gromacs.org http://xray.bmc.uu.se/~spoel
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