Clustering of mutations in methylmalonyl CoA mutase associated with mut- methylmalonic acidemia.

Abstract excerpt

Mutations have been described in human methylmalonyl CoA mutase (MCM) that exhibit partial defects in enzyme activity, including cobalamin-dependent (i.e., mut-) or interallelic complementation. This work describes mutations in cells from four patients, three of whom exhibit a cobalamin-dependent phenotype and all four of whom exhibit interallelic complementation. Four novel mutations (R694W, G648D, G630E, and...

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