FAQ

precorrin-3B synthase activity

Known as: CobG, precorrin-3A,NADH:oxygen oxidoreductase (20-hydroxylating), precorrin-3X synthase activity 
Catalysis of the reaction: H(+) + NADH + O(2) + precorrin-3A = H(2)O + NAD(+) + precorrin-3B. [EC:1.14.13.83, RHEA:17296]
National Institutes of Health

Topic mentions per year

Topic mentions per year

1993-2017
01219932017

Papers overview

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2017
2017
Genetic variability for iron and zinc as well as antinutrients affecting bioavailability in black gram (Vigna mungo (L.) Hepper).
The mineral content of pulses is generally high, but the bioavailability is poor due to the presence of phytate and polyphenols… (More)
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2012
2012
Antiosteoporotic effects of benzyl benzoate glucosides from Curculigo orchioides in ovariectomized rats.
OBJECTIVE To evaluate the antiosteoporotic effects of benzyl benzoate glucosides from Curculigo orchioides (COBG) in… (More)
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2009
2009
Demonstration that CobG, the monooxygenase associated with the ring contraction process of the aerobic cobalamin (vitamin B12) biosynthetic pathway, contains an Fe-S center and a mononuclear non-heme…
The ring contraction process that occurs during cobalamin (vitamin B(12)) biosynthesis is mediated via the action of two enzymes… (More)
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2005
2005
Identification and characterization of a novel vitamin B12 (cobalamin) biosynthetic enzyme (CobZ) from Rhodobacter capsulatus, containing flavin, heme, and Fe-S cofactors.
One of the most intriguing steps during cobalamin (vitamin B12) biosynthesis is the ring contraction process that leads to the… (More)
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Highly Cited
2003
Highly Cited
2003
Comparative genomics of the vitamin B12 metabolism and regulation in prokaryotes.
Using comparative analysis of genes, operons, and regulatory elements, we describe the cobalamin (vitamin B12) biosynthetic… (More)
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2000
2000
Gabapentin "add-on therapy" for idiopathic chronic hiccup (ICH).
The efficacy of cisapride, omeprazole, and baclofen (COB) for treatment of idiopathic chronic hiccup (ICH). was proven in several… (More)
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1998
1998
Cobalamin (vitamin B12) biosynthesis: identification and characterization of a Bacillus megaterium cobI operon.
A 16 kb DNA fragment has been isolated from a Bacillus megaterium genomic library and fully sequenced. The fragment contains 15… (More)
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1997
1997
How corrinoids are synthesized without oxygen: nature's first pathway to vitamin B12.
BACKGROUND During the biosynthesis of vitamin B12, the aerobic bacterium Pseudomonas denitrificans uses two enzymes, CobG and… (More)
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1993
1993
Biosynthesis of the corrin macrocycle of coenzyme B12 in Pseudomonas denitrificans.
Studies with cell-free protein preparations from a series of recombinant strains of Pseudomonas denitrificans demonstrated that… (More)
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1993
1993
Biosynthesis of vitamin B12. Discovery of the enzymes for oxidative ring contraction and insertion of the fourth methyl group.
In the vitamin B12 biosynthetic pathway the enzymes responsible for the conversion of precorrin-3 to precorrin-4 have been… (More)
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