Protein allostery as an illustration of an ensemble approach towards understanding biological function
- đ¤ Speaker: Andrea Liu (University of Pennsylvania)
- đ Date & Time: Friday 08 December 2023, 11:30 - 12:00
- đ Venue: Seminar Room 1, Newton Institute
Abstract
We know from statistical physics that we need ensembles in order to extract microscopic understanding of collective phenomena. We have designed central-force spring networks to have a function inspired by protein allostery, in which a strain applied locally gives rise to a comparable local strain at a distant location. By analyzing an ensemble of networks designed to have the similar response, we find that the response is of a topological nature and can be characterized using persistent homology. Our analysis shows that allostery does not arise from discrete mechanisms but rather a continuum. Application of the persistent homology analysis to real proteins shows similar results.
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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Andrea Liu (University of Pennsylvania)
Friday 08 December 2023, 11:30-12:00