Adenosylcobalamin

Adenosylcobalamin (AdoCbl) is a biologically active form of vitamin B12 .It is a cofactor for methylmalonyl CoA mutase. It belongs to the corrinoid group of compounds, which contain a corrin macrocycle, and is produced only by certain bacteria and archaea. It is a cofactor for various enzymes including mutases, eliminases, aminomutases, and a reductase.

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