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Kinetic And Binding Studies On L-∝-Glycerophosphate Dehydrogenase, Paul Richard Rosevear
Kinetic And Binding Studies On L-∝-Glycerophosphate Dehydrogenase, Paul Richard Rosevear
Chemistry & Biochemistry Theses & Dissertations
The properties of the coenzyme, NAD, binding site of chicken muscle L-∝-glycerophosphate dehydrogenase were studied. Adenosine monophosphate, adenosine diphosphate and adenosine diphosphoribose were sha.vn to inhibit the enzyme competitively with respect to NAD. The presence of adenosine, pyrophosphate and ribose regions in the coenzyme binding site of the enzyme was suggested by the inhibitor constants obtained for these compounds.
Disodium monoalkyl phosphates, n-butyl to n-dodecyl phosphate, inclusive, were also shown to inhibit the L-∝-glycerophosphate dehydrogenase catalized reaction competitively with respect to NAD. A positive chain length effect was observed in the binding of these compounds to the enzyme, suggesting the …