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Re: [ccp4bb] NAp dictionary |
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CCP4bb navigationCCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999Subject: Re: NAp dictionary From: Phil Evans pre {- at -} MRC-LMB {- dot -} CAM {- dot -} AC {- dot -} UK Date: 2008-07-01 It's odd because coot gives flat riboses even if you remove all the torsion info from the dictionary Phil On 1 Jul 2008, at 15:31, Jim Naismith wrote: > I don't know how many of you are frustrated with AO5* in NADP NAP > (and in > NAD). I trolled the web looking for a solution but did not find it. > > I think I have converted the current NAP nomenclature from the EBI > in REFMAC > and COOT to use the new agreed nomenclature for this residue. Simply > replace > your NAP.cif in the coot/share/lib/monomers/n/ > And in ccp4/lib/data/monomers/n/ > > It is attached, along with a PDB file. This now works in both COOT > and in > REFMAC (as far as I can see). So now you can manipulate NADP in COOT > without > atoms getting left off or any kludges. > > There is still a problem with the dictionary in regularize COOT and > REFMAC. > It leads to a flat ring for the ribose. This is wrong, however, if > in COOT I > turn on torsion restraints goes haywire. This I think has always a > been a > problem with the original refmac dictionary. > > Anyway if anyone has a fix, please let me know. > I suspect it is to do with periodicity of the torsion restraints. If > I solve > this I will email the BB. > > If anyone has done with this NAD, the community would benefit. Since > I could > not find the fix for NAP in my efforts. > > Best > Jim > > James H. Naismith FRSE Research mailto:naismith@st- > and.ac.uk > Professor of Chemical Biology Teaching mailto:jhn@st-and.ac.uk > Centre for Biomolecular Sciences Office: 1334-463792 > The North Haugh Fax : 1334-467229 > The University Lab : 1334-467245 > St. Andrews In UK add 0 to start of number > Fife Scotland, U.K., KY16 9ST http://www.st-and.ac.uk/~strucbio > > The University of St Andrews is a charity registered in Scotland : No > SC013532 > CCP4bb navigationCCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999 |
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