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A Streptavidin Binding Site Mutation Yields an Unexpected Result: An Ionized Asp128 Residue is Not Essential for Strong Biotin Binding

We report a detailed study for a point mutation of the crucial binding site residue, D128, in the biotin-streptavidin complex. The conservative substitution, D128N, preserves the detailed structure observed for the wild type complex but has only minimal impact on biotin binding, even though previous...

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Bibliografske podrobnosti
izdano v:Biochemistry
Main Authors: Baugh, Loren, Le Trong, Isolde, Stayton, Patrick S., Stenkamp, Ronald E., Lybrand, Terry P.
Format: Artigo
Jezik:Inglês
Izdano: 2016
Teme:
Online dostop:https://ncbi.nlm.nih.gov/pmc/articles/PMC5030189/
https://ncbi.nlm.nih.gov/pubmed/27603565
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/acs.biochem.6b00698
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