Biology:Cobalt-precorrin-5B (C1)-methyltransferase

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Cobalt-precorrin-5B (C1)-methyltransferase
Identifiers
EC number2.1.1.195
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Cobalt-precorrin-5B (C1)-methyltransferase (EC 2.1.1.195), cobalt-precorrin-6A synthase, CbiD (gene)) is an enzyme with systematic name S-adenosyl-L-methionine:cobalt-precorrin-5B (C1)-methyltransferase.[1][2] This enzyme catalyses the following chemical reaction

cobalt-precorrin-5B + S-adenosyl-L-methionine ⇌ cobalt-precorrin-6A + S-adenosyl-L-homocysteine

This enzyme catalyses the C-1 methylation of cobalt-precorrin-5B in the anaerobic pathway[3] of adenosylcobalamin biosynthesis in bacteria such as Salmonella typhimurium, Bacillus megaterium, and Propionibacterium freudenreichii subsp. shermanii.

See also

References

  1. ↑ "The enigma of cobalamin (Vitamin B12) biosynthesis in Porphyromonas gingivalis. Identification and characterization of a functional corrin pathway". The Journal of Biological Chemistry 275 (51): 40316–23. December 2000. doi:10.1074/jbc.M007146200. PMID 11007789. 
  2. ↑ "Genetically engineered production of 1-desmethylcobyrinic acid, 1-desmethylcobyrinic acid a,c-diamide, and cobyrinic acid a,c-diamide in Escherichia coli implies a role for CbiD in C-1 methylation in the anaerobic pathway to cobalamin". The Journal of Biological Chemistry 280 (17): 16748–53. April 2005. doi:10.1074/jbc.M501805200. PMID 15741157. 
  3. ↑ R. Caspi (2013-09-25). "Pathway: adenosylcobalamin biosynthesis I (anaerobic)". MetaCyc Metabolic Pathway Database. https://biocyc.org/META/NEW-IMAGE?type=PATHWAY&object=PWY-5507. Retrieved 2020-04-24.