[Chimera-users] gopenmol files in chimera?

Grant Jacobs gjacobs at bioinfotools.com
Wed Jul 13 04:52:06 PDT 2005

Forgive me for asking a silly question, but can people here recommend 
what current GPUs are able to present large molecular systems in 
Chimera with smooth rendering of a surface or ball&stick rendering, 
without "jumping" on rotations, etc.  By large complexes, I mean the 
likes of the various multi-protein complexes; photosytem complexes, 
the ribosome and the like.

I'm currently reviewing GPUs for a system upgrade, but its fiendishly 
hard to translate the marketing information into something practical! 
(I'm sure everyone is familiar with that particular problem...) In 
particular, I would like to aim at a system where I avoid having to 
"trim" large complexes to a workable size (I'm aware there are RAM 
issues with this).

Currently I'm looking at a Linux-based solution, but would consider a 
G5 (Apple), if its capable.

Anyone's comments on their own experience would be appreciated.

It'd be lovely if there were a rotation speed vs. number of atoms vs. 
graphics card plot!  Somehow I doubt there is... :-)


Grant Jacobs Ph.D.                                     BioinfoTools
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