Glycogen phosphorylase exists in two forms in skeletal muscle. - TopicsExpress



          

Glycogen phosphorylase exists in two forms in skeletal muscle. The active form, phosphorylase a, is generated from phosphorylase b by (1) reversible dimerization of phosphorylase b, triggered by calcium ion (2) proteolytic cleavage of a decapeptide from the Nterminus of phosphorylase b protonation of the active‐site histidine residue by a decrease in intracellular pH (4) ATP‐dependent phosphorylation of a specific serine residue on each subunit
Posted on: Thu, 06 Mar 2014 02:18:56 +0000

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