[Chimera-users] tetrahedral symmetry

Morris, Kyle Kyle.Morris at warwick.ac.uk
Tue Jun 9 15:46:41 PDT 2015

Dear Chimera Developers,

I have a volume reconstructed from Relion 1.3 imposing tetrahedral symmetry. Curiously, I am not able to find the symmetry group using:

$ measure symmetry #0

Chimera returns C3, even with adjusting the parameters it uses to identify the symmetry group. The model is aligned as following the Xmipp convention for T symmetry (http://xmipp.cnb.csic.es/twiki/bin/view/Xmipp/Symmetry#T) which is the same as what Chimera calls T,z3?

Any advice on getting the measure command to work in this convention would be greatly appreciated. Thanks!

Best wishes,
Kyle Morris

University of Warwick, UK

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