phosphorylase(redirected from Phosphorylase a)
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an enzyme that, in the presence of inorganic phosphate, catalyzes the conversion of glycogen into glucose-1-phosphate.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
An enzyme cleaving poly(1,4-α-d-glucosyl)n with orthophosphate to form poly(1,4-α-d-glucosyl)n-1 and α-d-glucose 1-phosphate. The active form of the enzyme is a phosphorylated protein.
Synonym(s): α-glucan phosphorylase, glycogen phosphorylase, P enzyme, phosphorylase a, polyphosphorylase
Farlex Partner Medical Dictionary © Farlex 2012
Any of a class of enzymes that catalyze the attachment of a phosphate group to another molecule.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
A phosphorylated enzyme cleaving poly(1,4-α-d-glucosyl)n with inorganic phosphate to form poly(1,4-α- d-glucosyl)n-1 and α-d-glucose 1-phosphate.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012