That error typically means that either there are bad bonds in the molecule (which could be the fault of Chimera or a problem with the input) or that a non-sp2 atom has been wrongly assigned an sp2 type (usually Chimera's fault alone). Could you provide the structure that elicits the error so that I can investigate? Thanks.

Eric Pettersen

UCSF Computer Graphics Lab

http://www.cgl.ucsf.edu

On Jul 13, 2007, at 5:08 AM, Mike Gretes wrote:

Hello,

When trying to calculate hydrogen bonding between two molecules, I
get the error:

"ValueError: More than 2 coplanar positions specified!"

I have successfully calculated h-bonding between two other similar
molecules, so I'm not sure what the problem is (I have no alternate
conformations or anything weird in the PDB files I don't think... is
there anything that usually triggers this error?)

thanks!

mike

___________________

Michael Gretes
PhD Candidate (Structural Biology)
Senior Graduate Trainee, Michael Smith Foundation for Health Research
NCJ Strynadka Laboratory
Dept. of Biochemistry, University of British Columbia
Life Sciences Center, 2350 Health Sciences Mall
Vancouver, BC Canada V6T 1Z3
phone 604 822 7729
fax 604 822 5227
____________________

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