GTP allosteric inhibitor of enzymes? Group of answer choices None Glutamate dehydrogenase Both Glutamate decarboxylase
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Glutamate and glutamine contribute their amino groups for the synthesis of several other non-essential amino acids. As a result, glutamate synthesis and glutamine synthesis involve very important regulated enzymes. Which amino-incorporating enzyme is allosterically inhibited by ATP? glutamate dehydrogenase glutamate synthase nitrogenase complex glutamine synthetase
Sri K.
Select all answers that are TRUE about glutamine synthetase effectors: A. Glutamine, the end product of the reaction, binds to glutamine synthetase and inhibits its activity. B. A high concentration of ammonia activates uridylylation of the regulatory protein PII. C. Deuridylylated regulatory protein PII reverts the glutamine synthetase activity towards the synthesis of glutamate from glutamine. D. Glutamine, the end product of the reaction, inhibits uridylylation of the regulatory protein PII. E. Glutamine synthetase is activated by adenynylation from ATP. F. Uridylylated regulatory protein PII activates glutamine synthetase by deadenylylation of the enzyme.
Madhur L.
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