have you tried doing the cluster analysis in ptraj?
Tom Cheatham had a nice paper recently on clustering using ptraj.
http://dx.doi.org/10.1021/ct700119m
On Jan 7, 2008 11:00 AM, Francesco Pietra <chiendarret.yahoo.com> wrote:
> I am trying a cluster analysis with MMTSB, having as guideline tutorial
> A3.
>
> Unlike that, once stripped the environment, I have two molecules, a
> protein and
> its non-polymeric docked ligand. Is any general criterion to adapt to my
> case -
> where the interest is in both molecules - tutorial's conditions for ptraj:
>
> # orient all frames best fit to backbone in NMR structure
> rms first mas :residueX-residueY.CA,C,N
>
> taking into account that atom O (oxygen) is of utmost importance for the
> ligand.
>
> Should the analysis be carried out separately for the protein and the
> ligand?
>
> Hope the question is not to cryptic.
>
> The first attempts were unsuccessful, though on simplex examples MMTSB did
> work.
>
> Thanks
>
> francesco pietra
>
>
>
> ____________________________________________________________________________________
> Be a better friend, newshound, and
> know-it-all with Yahoo! Mobile. Try it now.
> http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
>
> -----------------------------------------------------------------------
> The AMBER Mail Reflector
> To post, send mail to amber.scripps.edu
> To unsubscribe, send "unsubscribe amber" to majordomo.scripps.edu
>
--
===================================================================
Carlos L. Simmerling, Ph.D.
Associate Professor Phone: (631) 632-1336
Center for Structural Biology Fax: (631) 632-1555
CMM Bldg, Room G80
Stony Brook University E-mail: carlos.simmerling.gmail.com
Stony Brook, NY 11794-5115 Web: http://comp.chem.sunysb.edu
===================================================================
-----------------------------------------------------------------------
The AMBER Mail Reflector
To post, send mail to amber.scripps.edu
To unsubscribe, send "unsubscribe amber" to majordomo.scripps.edu
Received on Wed Jan 09 2008 - 06:07:16 PST