The Enzyme Database

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Accepted name: rubredoxin—NAD(P)+ reductase
Reaction: 2 reduced rubredoxin + NAD(P)+ + H+ = 2 oxidized rubredoxin + NAD(P)H
Glossary: benzyl viologen = 1,1′-dibenzyl-4,4′-bipyridinium
2,6-dichloroindophenol = 4-(2,6-dichloro-4-hydroxyphenylimino)cyclohexa-2,5-dien-1-one
menadione = 2-methyl-1,4-naphthoquinone
rubredoxin = iron-containing protein found in sulfur-metabolizing bacteria and archaea, participating in electron transfer
Other name(s): rubredoxin-nicotinamide adenine dinucleotide (phosphate) reductase; rubredoxin-nicotinamide adenine; dinucleotide phosphate reductase; NAD(P)+-rubredoxin oxidoreductase; NAD(P)H-rubredoxin oxidoreductase
Systematic name: rubredoxin:NAD(P)+ oxidoreductase
Comments: The enzyme from Pyrococcus furiosus requires FAD. It reduces a number of electron carriers, including benzyl viologen, menadione and 2,6-dichloroindophenol, but rubredoxin is the most efficient. Ferredoxin is not utilized.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 80237-97-4
1.  Petitdemange, H., Blusson, H. and Gay, R. Detection of NAD(P)H-rubredoxin oxidoreductases in Clostridia. Anal. Biochem. 116 (1981) 564–570. [DOI] [PMID: 6274224]
2.  Ma, K. and Adams, M.W.W. A hyperactive NAD(P)H:rubredoxin oxidoreductase from the hyperthermophilic archaeon Pyrococcus furiosus. J. Bacteriol. 181 (1999) 5530–5533. [PMID: 10464233]
[EC created 1984, modified 2001, modified 2011]

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