All of the Following Are Characteristic Features of ATP:GS:adenylyl Transferase

question 2

Multiple Choice

All of the following are characteristic features of ATP:GS:adenylyl transferase (AT) EXCEPT:

• A) It catalyzes the adenylation of glutamine synthetase.
• B) It exists in two forms, P_IIA and P_IID. P_IIA causes the deadenylation of glutamine synthetase and its activity increases with an increase in glutamine.
• C) AT:P_IIA is inhibited by α-ketoglutarate.
• D) AT:P_IIA needs ATP to complete the reaction.
• E) It is an enzyme that causes the adenylation/deadenylation of a specific tyrosine residue.

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