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Phys Chem Chem Phys
; 24(36): 21588-21592, 2022 Sep 21.
Article
in English
| MEDLINE
| ID: mdl-36069424
ABSTRACT
Proteins tune the reactivity of metal sites; less understood is the impact of association with a redox partner. We demonstrate the utility of carbon-deuterium labels for selective analysis of delicate metal sites. Introduced into plastocyanin, they reveal substantial strengthening of the key Cu-Cys89 bond upon association with cytochrome f.