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Catalysis of the reaction: ATP + a protein serine/threonine = ADP + protein serine/threonine phosphate. Catalysis of the reaction: 4 ATP + 2 phosphorylase b = 4 ADP + phosphorylase a. Catalysis of the reaction: ATP + a protein serine/threonine = ADP + protein serine/threonine phosphate, dependent on the presence of calcium-bound calmodulin.

View Gene Ontology (GO) Term

GO TERM SUMMARY

Name: phosphorylase kinase activity
Acc: GO:0004689
Aspect: Molecular Function
Desc: Catalysis of the reaction: 4 ATP + 2 phosphorylase b = 4 ADP + phosphorylase a.
Synonyms:
  • GO:0008606
  • PHK
  • dephosphophosphorylase kinase activity
  • glycogen phosphorylase kinase activity
  • phosphorylase kinase, intrinsic catalyst activity
  • ATP:phosphorylase-b phosphotransferase activity
  • phosphorylase b kinase activity
  • STK17
  • phosphorylase kinase (phosphorylating) activity
Proteins in PDR annotated with:
   This term: 19 [Search]
   Term or descendants: 19 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0004689 - phosphorylase kinase activity (interactive image map)

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Created and Maintained by: Michael Riffle