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  • Title: [Bovine liver glutamate dehydrogenase modified by 2,2,6,6-tetramethyl-4-oxopiperidine-1-oxyl: enzymatic activity and catalytic properties].
    Author: Agadzhanian SA, Pogosian AA, Karabashian LV.
    Journal: Mol Biol (Mosk); 1982; 16(2):345-51. PubMed ID: 7070387.
    Abstract:
    When modified by 2,2,6,6-tetramethyl-4-oxopiperidine-1-oxyl (TMPO) bovine liver glutamate dehydrogenase (L-glutamate NAD(P) oxidoreductase, E. C. 1.4.1.3) looses its catalytical activity and sensitivity to allosteric inhibitor GTP. The stoicheiometry of the binding of TMPO to glutamate dehydrogenase has been studied--each protomer bound one molecule of TMPO. It is supposed that TMPO reacts with lysine residue located in the enzyme's active center.
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