IUBMB Enzyme Nomenclature


Deleted entry: aquacobalamin reductase (NADPH). This entry has been deleted since the enzyme the entry was based on was later shown to be EC, pyruvate dehydrogenase (NADP+). On the other hand, it has been shown that non-enzymatic reduction of cob(III)alamin to cob(II)alamin occurs efficiently in the presence of free dihydroflavins or non-specific reduced flavoproteins.

[EC created 1989, deleted 2002]

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