The enzyme, which participates in the aerobic (late cobalt insertion) pathway of adenosylcobalamin biosynthesis, catalyses the reduction of the double bond between C-18 and C-19 of precorrin-6A. See EC 1.3.1.106, cobalt-precorrin-6A reductase, for the corresponding enzyme that participates in the anaerobic cobalamin biosynthesis pathway.
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The expected taxonomic range for this enzyme is: Bacteria, Archaea
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SYSTEMATIC NAME
IUBMB Comments
precorrin-6B:NADP+ oxidoreductase
The enzyme, which participates in the aerobic (late cobalt insertion) pathway of adenosylcobalamin biosynthesis, catalyses the reduction of the double bond between C-18 and C-19 of precorrin-6A. See EC 1.3.1.106, cobalt-precorrin-6A reductase, for the corresponding enzyme that participates in the anaerobic cobalamin biosynthesis pathway.
enzyme is essential for biosynthesis of cobalamin, i.e. vitamin B12, anaerobic growth of the pleiotrophic mutant is affected when either nitrate, nitrite, or nitrous oxide is used as terminal electron acceptor, which is reversible by addition of cobalamine or cobinamide to the minimal medium
enzyme is essential for biosynthesis of cobalamin, i.e. vitamin B12, anaerobic growth of the pleiotrophic mutant is affected when either nitrate, nitrite, or nitrous oxide is used as terminal electron acceptor, which is reversible by addition of cobalamine or cobinamide to the minimal medium
enzyme is essential for biosynthesis of cobalamin, i.e. vitamin B12, anaerobic growth of the pleiotrophic mutant is affected when either nitrate, nitrite, or nitrous oxide is used as terminal electron acceptor, which is reversible by addition of cobalamine or cobinamide to the minimal medium
enzyme is essential for biosynthesis of cobalamin, i.e. vitamin B12, anaerobic growth of the pleiotrophic mutant is affected when either nitrate, nitrite, or nitrous oxide is used as terminal electron acceptor, which is reversible by addition of cobalamine or cobinamide to the minimal medium
enzyme is essential for biosynthesis of cobalamin, i.e. vitamin B12, anaerobic growth of the pleiotrophic mutant is affected when either nitrate, nitrite, or nitrous oxide is used as terminal electron acceptor, which is reversible by addition of cobalamine or cobinamide to the minimal medium
enzyme is essential for biosynthesis of cobalamin, i.e. vitamin B12, anaerobic growth of the pleiotrophic mutant is affected when either nitrate, nitrite, or nitrous oxide is used as terminal electron acceptor, which is reversible by addition of cobalamine or cobinamide to the minimal medium
cobK transposon mutagenesis for construction of a pleiotrophic mutant NS52, unable to synthesize cobalamin, and to use ethanolamine as carbon and energy source for aerobic growth, the anaerobic growth of the mutant is affected when either nitrate, nitrite, or nitrous oxide is used as terminal electron acceptor, which is reversible by addition of cobalamine or cobinamide to the minimal medium, phenotype, overview
cobK transposon mutagenesis for construction of a pleiotrophic mutant NS52, unable to synthesize cobalamin, and to use ethanolamine as carbon and energy source for aerobic growth, the anaerobic growth of the mutant is affected when either nitrate, nitrite, or nitrous oxide is used as terminal electron acceptor, which is reversible by addition of cobalamine or cobinamide to the minimal medium, phenotype, overview
cobK transposon mutagenesis for construction of a pleiotrophic mutant NS52, unable to synthesize cobalamin, and to use ethanolamine as carbon and energy source for aerobic growth, the anaerobic growth of the mutant is affected when either nitrate, nitrite, or nitrous oxide is used as terminal electron acceptor, which is reversible by addition of cobalamine or cobinamide to the minimal medium, phenotype, overview
functional overexpression of gene cobK together with the other 11 of the first 12 enzymes involved in biosynthesis of cobalamin, vitamin B12, from aminolevulinic acid, in Escherichia coli strains TB1 and BL21(DE3)
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1.3.1.54 precorrin-6A reductase
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