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Human thioredoxin reductase from HeLa cells: Selective alkylation of selenocysteine in the protein inhibits enzyme activity and reduction with NADPH influences affinity to heparin

Human thioredoxin reductase (TR) contains selenocysteine (Secys) in a redox center [cysteine (Cys)-497,Secys-498] near the C-terminus. The essential role of Secys in TR isolated from HeLa cells was demonstrated by the alkylation studies. Reaction of native NADPH reduced enzyme with bromoacetate at p...

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Detalhes bibliográficos
Main Authors: Gorlatov, Sergey N., Stadtman, Thressa C.
Formato: Artigo
Idioma:Inglês
Publicado em: National Academy of Sciences 1998
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC21108/
https://ncbi.nlm.nih.gov/pubmed/9671710
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