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When: Thursday, October 25, 2012 3:15 PM - 4:15 PM
Where: Math Building : (Note Day Change) : Colloquium Room 3206
Event Type(s): Colloquium

Thursday, October 25, 2012
Speaker: Robert Penner (Aarhus University and California, Institute of Technology)
Title: The Geometrical Nature of Protein Hydrogen Bonds
Recent work has analyzed proteins using combinatorial and geometrical techniques adapted from the study of moduli spaces. Specifically, a 3d rotation can be associated to each protein hydrogen bond, and these data already embedded in the Protein Data Bank can be analyzed. Nature is economical in exploiting only a small part of the conformational possibilities providing new constraints for simulation, refinement or design and hydrogen bonds accordingly classified. The geometrically exotic hydrogen bonds have uncanny abilities to predict protein functional and architecturally significant sites from 3d structure.


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