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Catalysis of the reaction: 1,3-beta-D-glucosyl(n) + phosphate = 1,3-beta-D-glucosyl(n-1) + alpha-D-glucose 1-phosphate; substrates include laminarin. Catalysis of the transfer of a hexosyl group from one compound (donor) to another (acceptor). Catalysis of the reaction: oligomeric 1,3-beta-D-glucosyl(n) + phosphate = 1,3-beta-D-glucosyl(n-1) + alpha-D-glucose 1-phosphate. Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor). Catalysis of the reaction: glycogen + phosphate = maltodextrin + alpha-D-glucose 1-phosphate. Catalysis of the reaction: sucrose + phosphate = D-fructose + alpha-D-glucose 1-phosphate. Catalysis of the reaction: cellobiose + phosphate = alpha-D-glucose 1-phosphate + D-glucose. Catalysis of the reaction: 1,4-alpha-D-glucosyl(n) + phosphate = 1,4-alpha-D-glucosyl(n-1) + alpha-D-glucose 1-phosphate. The name should be qualified in each instance by adding the name of the natural substrate, e.g. maltodextrin phosphorylase, starch phosphorylase, glycogen phosphorylase. Catalysis of the reaction: maltodextrin = glucose-1-phosphate. Catalysis of the reaction: alpha,alpha-trehalose + phosphate = D-glucose + beta-D-glucose 1-phosphate. Catalysis of the reaction: maltose + phosphate = D-glucose + beta-D-glucose 1-phosphate. Catalysis of the reaction: GDP-D-glucose + Pi = D-glucose-1-P + GDP. Catalysis of the reaction: 3-beta-D-glucosyl-D-glucose + phosphate = D-glucose + alpha-D-glucose 1-phosphate. Catalysis of the reaction: GDP-L-galactose + Pi = L-galactose-1-P +GDP. Catalysis of the reaction: trehalose 6-phosphate + phosphate = glucose 6-phosphate + beta-D-glucose 1-phosphate. Catalysis of the reaction: phosphate + beta-D-galactopyranosyl-(1,3)-N-acetyl-D-glucosamine = N-acetyl-D-glucosamine + alpha-D-galactopyranose 1-phosphate. Catalysis of the reaction: 1,4-beta-D-glucosyl(n) + phosphate = 1,4-beta-D-glucosyl(n-1) + alpha-D-glucose 1-phosphate.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: phosphorylase activity
Acc: GO:0004645
Aspect: Molecular Function
Desc: Catalysis of the reaction: 1,4-alpha-D-glucosyl(n) + phosphate = 1,4-alpha-D-glucosyl(n-1) + alpha-D-glucose 1-phosphate. The name should be qualified in each instance by adding the name of the natural substrate, e.g. maltodextrin phosphorylase, starch phosphorylase, glycogen phosphorylase.
Synonyms:
  • glucan phosphorylase
  • starch phosphorylase
  • glucosan phosphorylase
  • myophosphorylase
  • muscle phosphorylase
  • amylophosphorylase activity
  • polyphosphorylase activity
  • amylopectin phosphorylase
  • granulose phosphorylase
  • potato phosphorylase
  • 1,4-alpha-D-glucan:phosphate alpha-D-glucosyltransferase activity
  • muscle phosphorylase a and b activity
  • 1,4-alpha-glucan phosphorylase activity
  • alpha-glucan phosphorylase
Proteins in PDR annotated with:
   This term: 15 [Search]
   Term or descendants: 33 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0004645 - phosphorylase activity (interactive image map)
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