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Literature summary extracted from

  • Boer, P.; Sperling, O.
    Modulation of glycogen phosphorylase activity affects 5-phosphoribosyl-1-pyrophosphate availability in rat hepatocyte cultures (2004), Nucleosides Nucleotides Nucleic Acids, 23, 1235-1239.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.1 additional information Arg-vasopressin and phenylephrine activate the enzyme through the phosphoinositide cascade Rattus norvegicus
2.4.1.1 protein kinase A activates the enzyme via phosphorylation, which is induced by dibutyryl cAMP, forskolin, and glucagon Rattus norvegicus

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.1.1 Caffeine
-
Rattus norvegicus
2.4.1.1 CP-91149
-
Rattus norvegicus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.1 (1,4-alpha-D-glucosyl)n + phosphate Rattus norvegicus polysaccharide substrate is glycogen (1,4-alpha-D-glucosyl)n-1 + alpha-D-glucose 1-phosphate
-
?
2.4.1.1 additional information Rattus norvegicus increased enzyme activity increases 5-phosphoribosyl-1-diphosphate availability in hepatocyte cultures and vice versa, glycogenolysis is a major contributor to PRPP generation in liver tissue in the basal state ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.1 Rattus norvegicus
-
male Wistar rats
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
2.4.1.1 phosphoprotein phosphorylation and dephosphorylation of the enzyme regulates its activity and is catalyzed by a phosphorylase phosphatase and protein kinase A Rattus norvegicus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.1 hepatocyte
-
Rattus norvegicus
-
2.4.1.1 liver
-
Rattus norvegicus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.1 (1,4-alpha-D-glucosyl)n + phosphate polysaccharide substrate is glycogen Rattus norvegicus (1,4-alpha-D-glucosyl)n-1 + alpha-D-glucose 1-phosphate
-
?
2.4.1.1 additional information increased enzyme activity increases 5-phosphoribosyl-1-diphosphate availability in hepatocyte cultures and vice versa, glycogenolysis is a major contributor to PRPP generation in liver tissue in the basal state Rattus norvegicus ?
-
?

Synonyms

EC Number Synonyms Comment Organism
2.4.1.1 glycogen phosphorylase
-
Rattus norvegicus