Title : Regulation of glutamate dehydrogenase by Mg2+ and magnification of leucine activation by Mg2+.

Pub. Date : 1990 Jun

PMID : 2359406






5 Functional Relationships(s)
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1 In the presence of Mg2+, pure glutamate dehydrogenase is more reactive with NADPH than with NADH and is markedly activated by elevations in the ADP/ATP ratio or the addition of leucine. Leucine mucin 7, secreted Homo sapiens
2 In the absence of the allosteric activators ADP, leucine, or succinyl-CoA, Mg2+ is an inhibitor and increases product inhibition by alpha-ketoglutarate in the forward reaction and substrate inhibition by alpha-ketoglutarate in the reverse reaction. Leucine mucin 7, secreted Homo sapiens
3 In the reverse reaction, ADP also converts Mg2+ from an inhibitor into an activator and leucine eliminates inhibition by Mg2+. Leucine mucin 7, secreted Homo sapiens
4 In the reverse reaction, ADP also converts Mg2+ from an inhibitor into an activator and leucine eliminates inhibition by Mg2+. Leucine mucin 7, secreted Homo sapiens
5 Leucine and its analog 2-aminobicyclo (2.2.1) heptane 2-carboxylic acid (BCH) have almost identical effects on both human and bovine glutamate dehydrogenase in both the presence and absence of Mg2+. Leucine mucin 7, secreted Homo sapiens