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Mammalian thioredoxin reductase: Oxidation of the C-terminal cysteine/selenocysteine active site forms a thioselenide, and replacement of selenium with sulfur markedly reduces catalytic activity
Mammalian cytosolic thioredoxin reductase (TrxR) has a redox center, consisting of Cys(59)/Cys(64) adjacent to the flavin ring of FAD and another center consisting of Cys(497)/selenocysteine (SeCys)(498) near the C terminus. We now show that the C-terminal Cys(497)-SH/SeCys(498)-Se(−) of NADPH-reduc...
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| Main Authors: | , , , , , |
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| Formato: | Artigo |
| Idioma: | en |
| Publicado em: |
The National Academy of Sciences
2000
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC15961/ https://ncbi.nlm.nih.gov/pubmed/10688911 |
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