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ATP:cobalamin adenosyltransferase


Definition: an enzyme that catalyzes the reaction of ATP, water, and cobalamin to form orthophosphate, pyrophosphate, and adenosylcobalamin. Adenosylcobalamin is required by methylmalonyl-CoA mutase. A deficiency of ATP:cobalamin adenosyltransferase leads to methylmalonic acidemia.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.