[PyMOL] color tube by temp factor

Hello fellow PyMolers,
Can PyMol color a tube by main chain temperature factor? How?
Please help
Thanks,
Scott
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   Scott Classen, Ph.D.
   cl...@uc...
   University of California, Berkeley
   Department of Molecular & Cell Biology
   237 Hildebrand Hall #3206
   Berkeley, CA 94720-3206
   LAB 510.643.9491
   FAX 510.643.9290
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