Medical Definition of Phosphorylase b
1.
The relatively inactive form of phosphorylase that is reactivated to form phosphorylase a by phosphorylase kinase, which catalyses the enzymatic phosphorylation of the serine residues at the expense of ATP.
Registry number: EC 2.4.1.-
(12 Dec 1998)
Lexicographical Neighbors of Phosphorylase B
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