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phosphorylase Definition

phos·pho·ryl·ase (fäs′fə ri lās′)

noun

any of a group of enzymes, widely distributed in plant and animal tissues, that help inorganic phosphates break down glycogen and other complex sugars

Etymology: phosphor(o)- + -yl + -ase

phosphorylase Usage Examples

Modifies a noun

  • kinase: Phosphorylase kinase is a key enzyme in the control of glycogen metabolism.
  • activity: No phosphorylase activity was detected in skeletal muscle by histochemistry.
  • peptide: The crystal structure of a phosphorylase kinase peptide substrate complex: kinase substrate recognition.
  • substrate: The crystal structure of a phosphorylase kinase peptide substrate complex: kinase substrate recognition.
  • complex: The crystal structure of a phosphorylase kinase peptide substrate complex: kinase substrate recognition.

Noun used with modifier

  • thymidine: Thymidine phosphorylase ( platelet-derived endothelial cell growth factor ) is one such factor.
  • glycogen: In this way, the activity of glycogen phosphorylase can be finely balanced.
  • nucleoside: Chiroscience has made a series of medicines called purine nucleoside phosphorylase ( PNP ) inhibitors which have shown promise in animal models of arthritis.
  • purine: Chiroscience has made a series of medicines called purine nucleoside phosphorylase ( PNP ) inhibitors which have shown promise in animal models of arthritis.
  • muscle: A metabolic myopathy due to absence of muscle phosphorylase.
  • coli: Figure 1 Sequence alignment of human platelet-derived endothelial cell growth factor ( PD-ECGF ) and E. coli thymidine phosphorylase ( TP ).