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Glycogen Phosphorylase MeSH Descriptor Data 2023


MeSH Heading
Glycogen Phosphorylase
Tree Number(s)
D08.811.913.400.450.460.400.186
Unique ID
D024981
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D024981
Annotation
general or unspecified; prefer specifics
Scope Note
An enzyme that catalyzes the degradation of GLYCOGEN in animals by releasing glucose-1-phosphate from the terminal alpha-1,4-glycosidic bond. This enzyme exists in two forms: an active phosphorylated form ( PHOSPHORYLASE A) and an inactive un-phosphorylated form (PHOSPHORYLASE B). Both a and b forms of phosphorylase exist as homodimers. In mammals, the major isozymes of glycogen phosphorylase are found in muscle, liver and brain tissue.
Entry Term(s)
Phosphorylase ab
Registry Number
EC 2.4.1.-
Previous Indexing
Glucosyltransferases (1965-1971)
Phosphorylases (1972-2001)
Public MeSH Note
2002
History Note
2002
Date Established
2002/01/01
Date of Entry
2001/07/25
Revision Date
2013/07/09
Glycogen Phosphorylase Preferred
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