Title : Activation of glutamate by gamma-glutamate kinase: formation of gamma-cis-cycloglutamyl phosphate, an analog of gamma-glutamyl phosphate.

Pub. Date : 1989 Jul 5

PMID : 2567735






3 Functional Relationships(s)
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Protein Name
Organism
1 gamma-Glutamate kinase, the enzyme that catalyzes the first step in the pathway from glutamate to proline, has been postulated to convert glutamate to a gamma-activated form (possibly gamma-glutamyl phosphate), which is reduced by a NADPH-linked reductase to yield glutamate gamma-semialdehyde (in equilibrium with delta 1-pyrroline-5-carboxylate). Glutamic Acid 2,4-dienoyl-CoA reductase 1 Homo sapiens
2 gamma-Glutamate kinase, the enzyme that catalyzes the first step in the pathway from glutamate to proline, has been postulated to convert glutamate to a gamma-activated form (possibly gamma-glutamyl phosphate), which is reduced by a NADPH-linked reductase to yield glutamate gamma-semialdehyde (in equilibrium with delta 1-pyrroline-5-carboxylate). Glutamic Acid 2,4-dienoyl-CoA reductase 1 Homo sapiens
3 In the present work we found that the kinase, in the absence or presence of the reductase (and in the absence of NADPH), catalyzes stoichiometric formation of 5-oxo-L-proline and Pi from L-glutamate and ATP, but catalyzes hydroxamate formation at only about 10% of the rate of ATP-cleavage. Glutamic Acid 2,4-dienoyl-CoA reductase 1 Homo sapiens