IUBMB Enzyme Nomenclature


Accepted name: [phosphorylase] phosphatase

Reaction: [phosphorylase a] + 4 H2O = 2 [phosphorylase b] + 4 phosphate

Other name(s): PR-enzyme; phosphorylase a phosphatase; glycogen phosphorylase phosphatase; protein phosphatase C; type 1 protein phosphatase

Systematic name: [phosphorylase a] phosphohydrolase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 9025-74-5


1. Brandt, H., Capulong, Z.L. and Lee, E.Y.C. Purification and properties of rabbit liver phosphorylase phosphatase. J. Biol. Chem. 250 (1975) 8038-8044. [PMID: 240850]

2. Graves, D.J., Fischer, E.H. and Krebs, E.G. Specificity studies on muscle phosphorylase phosphatase. J. Biol. Chem. 235 (1960) 805-809.

3. Rall, T.W., Wosilait, W.D. and Sutherland, E.W. The interconversion of phosphorylase a and phosphorylase b from dog heart muscle. Biochim. Biophys. Acta 20 (1956) 69-76.

[EC created 1961]

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