Adenosylcobinamide-GDP ribazoletransferase

Adenosylcobinamide-GDP ribazoletransferase (, CobS, cobalamin synthase, cobalamin-5'-phosphate synthase, cobalamin (5'-phosphate) synthase) is an enzyme with systematic name adenosylcobinamide-GDP:alpha-ribazole ribazoletransferase. This enzyme catalyses the following chemical reaction

(1) adenosylcobinamide-GDP + alpha-ribazole GMP + adenosylcobalamin (2) adenosylcobinamide-GDP + alpha-ribazole 5'-phosphate GMP + adenosylcobalamin 5'-phosphate

This enzyme is part of the biosynthetic pathway to cobalamin (vitamin B12) in bacteria.

See also Cobalamin biosynthesis

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