Dual roles of Lys(57) at the dimer interface of human mitochondrial NAD(P)+-dependent malic enzyme.

Abstract excerpt

Human m-NAD(P)-ME [mitochondrial NAD(P)+-dependent ME (malic enzyme)] is a homotetramer, which is allosterically activated by the binding of fumarate. The fumarate-binding site is located at the dimer interface of the NAD(P)-ME. In the present study, we decipher the functional role of the residue Lys57, which resides at the fumarate-binding site and dimer interface, and thus may be involved in the allosteric...

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