Which is not involved in the regulation of glycogen phosphorylase? A) Allosteric inhibition of phosphorylase by…

Which is not involved in the regulation of glycogen
phosphorylase?

A) Allosteric inhibition of phosphorylase by ATP

B) Indirect, positive regulation by glucagon

C) Phosphorylation of phosphorylase by protein kinase A
(PKA)

D) Direct and indirect regulation by protein phosphatase 1
(PP1)

E) Indirect, negative regulation by protein phosphatase 2B
(PP2B)