Search Results - "Raux, E"
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Biosynthesis of cobalamin (vitamin B12): a bacterial conundrum
Published in Cellular and molecular life sciences : CMLS (01-12-2000)“…The biosynthesis of cobalamin (vitamin B12) is described, revealing how the concerted action of around 30 enzyme-mediated steps results in the synthesis of one…”
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Cobalamin (vitamin B12) biosynthesis: identification and characterization of a Bacillus megaterium cobI operon
Published in Biochemical journal (01-10-1998)“…A 16 kb DNA fragment has been isolated from a Bacillus megaterium genomic library and fully sequenced. The fragment contains 15 open reading frames, 14 of…”
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3
Salmonella typhimurium cobalamin (vitamin B12) biosynthetic genes: functional studies in S. typhimurium and Escherichia coli
Published in Journal of Bacteriology (01-02-1996)“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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4
A role for Salmonella typhimurium cbiK in cobalamin (vitamin B12) and siroheme biosynthesis
Published in Journal of Bacteriology (01-05-1997)“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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5
Structural diversity in metal ion chelation and the structure of uroporphyrinogen III synthase
Published in Biochemical Society transactions (01-08-2002)“…All tetrapyrroles are synthesized through a branched pathway, and although each tetrapyrrole receives unique modifications around the ring periphery, they all…”
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The biosynthesis of adenosylcobalamin (vitamin B12)
Published in Natural product reports (01-08-2002)“…Vitamin B12, or cobalamin, is one of the most structurally complex small molecules made in Nature. Major progress has been made over the past decade in…”
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7
Optimization of Met8p crystals through protein-storage buffer manipulation
Published in Acta crystallographica. Section D, Biological crystallography. (01-06-2001)“…Sirohaem, the prosthetic group of assimilatory sulfite and nitrite reductases, is a modified tetrapyrrole that belongs to the same fraternity of…”
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Production of cobalamin and sirohaem in Bacillus megaterium: an investigation into the role of the branchpoint chelatases sirohydrochlorin ferrochelatase (SirB) and sirohydrochlorin cobalt chelatase (CbiX)
Published in Biochemical Society transactions (01-08-2002)“…One of the four operons required for cobalamin biosynthesis in Bacillus megaterium is also associated with sirohaem synthesis, and contains three genes, sirA,…”
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A story of chelatase evolution: identification and characterization of a small 13-15-kDa "ancestral" cobaltochelatase (CbiXS) in the archaea
Published in The Journal of biological chemistry (20-06-2003)“…The cobaltochelatase required for the synthesis of vitamin B12 (cobalamin) in the archaeal kingdom has been identified as CbiX through similarity searching…”
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10
Algae acquire vitamin B 12 through a symbiotic relationship with bacteria
Published in Nature (03-11-2005)“…Vitamin B12 (cobalamin) was identified nearly 80 years ago as the anti-pernicious anaemia factor in liver, and its importance in human health and disease has…”
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11
The structure of Saccharomyces cerevisiae Met8p, a bifunctional dehydrogenase and ferrochelatase
Published in The EMBO journal (01-05-2002)“…Sirohaem is a tetrapyrrole‐derived prosthetic group that is required for the essential assimilation of sulfur and nitrogen into all living systems as part of…”
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12
Algae acquire vitamin B12 through a symbiotic relationship with bacteria
Published in Nature (03-11-2005)“…Vitamin B12 (cobalamin) was identified nearly 80 years ago as the anti-pernicious anaemia factor in liver, and its importance in human health and disease has…”
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13
Identification and functional analysis of enzymes required for precorrin-2 dehydrogenation and metal ion insertion in the biosynthesis of sirohaem and cobalamin in Bacillus megaterium
Published in Biochemical journal (01-03-2003)“…In Bacillus megaterium, the hemAXBCDL genes were isolated and were found to be highly similar to the genes from Bacillus subtilis that are required for the…”
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14
Structure/Function Studies on a S-Adenosyl- l-methionine-dependent Uroporphyrinogen III C Methyltransferase (SUMT), a Key Regulatory Enzyme of Tetrapyrrole Biosynthesis
Published in Journal of molecular biology (19-11-2004)“…The crystallographic structure of the Pseudomonas denitrificans S-adenosyl- l-methionine-dependent uroporphyrinogen III methyltransferase (SUMT), which is…”
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15
Biotin Synthase Mechanism: Mutagenesis of the YNHNLD Conserved Motif
Published in Biochemistry (Easton) (10-10-2006)“…Biotin synthase, a member of the “radical SAM” family, catalyzes the final step of the biotin biosynthetic pathway, namely, the insertion of a sulfur atom into…”
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Common Chelatase Design in the Branched Tetrapyrrole Pathways of Heme and Anaerobic Cobalamin Synthesis
Published in Biochemistry (Easton) (17-08-1999)“…Prosthetic groups such as heme, chlorophyll, and cobalamin (vitamin B12) are characterized by their branched biosynthetic pathway and unique metal insertion…”
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Isolation and characterization of 14 additional genes specifying the anaerobic biosynthesis of cobalamin (vitamin B12) in Propionibacterium freudenreichii (P. shermanii)
Published in Microbiology (Society for General Microbiology) (01-06-2002)“…Center for Biological NMR, Department of Chemistry, Texas A&M University, College Station, TX 77843-3255, USA 1 School of Biological Sciences, Queen Mary,…”
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The enigma of cobalamin (Vitamin B12) biosynthesis in Porphyromonas gingivalis. Identification and characterization of a functional corrin pathway
Published in The Journal of biological chemistry (22-12-2000)“…The ability of Porphyromonas gingivalis to biosynthesize tetrapyrroles de novo has been investigated. Extracts of the bacterium do not possess activity for 5-…”
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role of Saccharomyces cerevisiae Met1p and Met8p in sirohaem and cobalamin biosynthesis
Published in Biochemical journal (15-03-1999)“…MET1 and MET8 mutants of Saccharomyces cerevisiae can be complemented by Salmonella typhimurium cysG, indicating that the genes are involved in the…”
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Cobalamin (vitamin B12) biosynthesis: functional characterization of the Bacillus megaterium cbi genes required to convert uroporphyrinogen III into cobyrinic acid a,c-diamide
Published in Biochemical journal (01-10-1998)“…The function of individual genes of the Bacillus megaterium cobI operon genes in cobalamin (vitamin B12) biosynthesis was investigated by their ability to…”
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