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File:Triad chemical mech.png

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Summary

Description
English: A catalytic triad charge-relay system as commonly found in proteases. The acid residue (commonly glutamate or aspartate) aligns and polarises the base (usually histidine) which activates the nucleophile (often serine or cysteine, occasionally threonine). The catalytic triad reduces the pKa of the nucleophilic residue which then performs a nucleophilic attack on the substrate.
Date
Source Thomas, Shafee, (2014). "Evolvability of a viral protease: experimental evolution of catalysis, robustness and specificity". PhD Thesis. University of Cambridge.
Author Thomas Shafee

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inception

23 October 2013

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Date/TimeThumbnailDimensionsUserComment
current20:24, 23 October 2013Thumbnail for version as of 20:24, 23 October 2013566 × 267 (7 KB)Evolution and evolvabilitysmall edit to nucleophile
19:57, 23 October 2013Thumbnail for version as of 19:57, 23 October 2013566 × 267 (7 KB)Evolution and evolvabilitywider
19:50, 23 October 2013Thumbnail for version as of 19:50, 23 October 2013346 × 262 (7 KB)Evolution and evolvabilityUser created page with UploadWizard

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