3.7.1.12: cobalt-precorrin 5A hydrolase
This is an abbreviated version!
For detailed information about cobalt-precorrin 5A hydrolase, go to the full flat file.
Reaction
Synonyms
CbiG
ECTree
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General Information
General Information on EC 3.7.1.12 - cobalt-precorrin 5A hydrolase
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physiological function
analysis of the cobalamin biosynthetic operon cob. Bacillus megaterium synthesizes cobalamin by an anaerobic pathway, in which cobalt is added at an early stage and molecular oxygen is not required
physiological function
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CbiG is the gene product responsible for the opening of the ring A delta-lactone and extrusion of the C2 unit. The anaerobic biosynthetic pathway features internal delivery of oxygen from a carboxylic acid terminus to C-20 followed by extrusion of the C2 unit as acetaldehyde, using cobalt complexes as substrates