Medical Definition of Phosphorylase a
1.
The phosphorylated and more active form of phosphorylase that functions as a regulatory enzyme during glycogen breakdown. The phosphate groups are hydrolytically removed by phosphorylase phosphatase to form phosphorylase b and orthophosphate.
Registry number: EC 2.4.1.-
(12 Dec 1998)
Lexicographical Neighbors of Phosphorylase A
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