Hi,

2010/9/23 Dmitry Osolodkin <divan...@rambler.ru>:
> Hello OpenBabel developers and users,
>
> probably you could help me with a simple problem. I have two molecules
> (attached) to compute all-atom RMSD between them; they are same at all
> except the position in the space (docking result and a cocrystal
> structure). The only problem is that they have different atom numbering,
> so RMSD-computing tools using atom numbers such as VMD RMSD Calculator
> plugin give unreasonable numbers (about 5 A in this case, which is
> obviously wrong).
>
> The question is: is it possible to change only atom numbering in one or
> both molecules to make it the same for them, e.g. canonical? Or one of
> them can be used as a template? Manual correction is hardly acceptable
> because I have a series of complexes, not one. I also don't need
> translation or rotation of the molecules, just compute RMSD between the
> given positions.

If you are willing to try the development version, you can
canonicalize the atom order for any format using:

babel --canonical somefile.mol2 somefile_can.mol2

Tim

> Thanks in advance,
> Dmitry Osolodkin
> --
> Dmitry Osolodkin
> Researcher
> Group of Computational Molecular Design
> Department of Chemistry
> Moscow State University
> Moscow 119991 Russia
> e-mail: dmitr...@qsar.chem.msu.ru
> Phone: +7-495-9393557
> Fax: +7-495-9390290
>
> ------------------------------------------------------------------------------
> Nokia and AT&T present the 2010 Calling All Innovators-North America contest
> Create new apps & games for the Nokia N8 for consumers in  U.S. and Canada
> $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
> Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store
> http://p.sf.net/sfu/nokia-dev2dev
> _______________________________________________
> OpenBabel-discuss mailing list
> OpenBabel-discuss@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/openbabel-discuss
>
>

------------------------------------------------------------------------------
Nokia and AT&T present the 2010 Calling All Innovators-North America contest
Create new apps & games for the Nokia N8 for consumers in  U.S. and Canada
$10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store 
http://p.sf.net/sfu/nokia-dev2dev
_______________________________________________
OpenBabel-discuss mailing list
OpenBabel-discuss@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/openbabel-discuss

Reply via email to