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  • The putative coenzyme B12-dependent methylmalonyl-CoA mutase from potatoes is a phosphatase.

The putative coenzyme B12-dependent methylmalonyl-CoA mutase from potatoes is a phosphatase.

Bioorganic chemistry (2008-08-01)
Csaba Paizs, Tanja Diemer, János Rétey
ABSTRACT

The reported presence of a coenzyme B12-dependent methylmalonyl-CoA mutase in potatoes has been reexamined. The enzyme converting methylmalonyl-CoA was purified to electrophoretic homogeneity. Examination of the reaction product by 1H, 31P NMR and mass spectrometry revealed that it was methylmalonyl-3'-dephospho-CoA. The phosphatase enzyme needs neither coenzyme B12 nor S-adenosylmethionine as a cofactor.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Methylmalonyl coenzyme A tetralithium salt hydrate, ≥90% (HPLC)