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Descriptor English: Glycogen Phosphorylase
Descriptor Spanish: Glucógeno Fosforilasa
Descriptor glucógeno fosforilasa
Entry term(s) glicógeno fosforilasa
Scope note: Enzima que cataliza la degradación del GLUCÓGENO en animales al liberar glucosa-1-fosfato del enlace terminal alfa-1,4 glicosídico. Esta enzima existe en dos formas: una forma fosforilada activa (FOSFORILASA A) y una forma no fosforilada inactiva (FOSFORILASA B). Ambas formas de fosforilasa, a y b, existen como homodímeros. En los mamíferos, las principales isoenzimas de glucógeno fosforilasa se encuentran en el tejido muscular, hepático y cerebral.
Descriptor Portuguese: Glicogênio Fosforilase
Descriptor French: Glycogen phosphorylase
Entry term(s): Phosphorylase ab
Phosphorylase, Glycogen
Tree number(s): D08.811.913.400.450.460.400.186
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D024981
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.
Annotation: general or unspecified; prefer specifics
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AI antagonists & inhibitors
AN analysis
BI biosynthesis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
DE drug effects
DF deficiency
EC economics
GE genetics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PH physiology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UL ultrastructure
UR urine
Registry Number: EC 2.4.1.-
Previous Indexing: Glucosyltransferases (1965-1971)
Phosphorylases (1972-2001)
Public MeSH Note: 2002
History Note: 2002
DeCS ID: 36104
Unique ID: D024981
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2002/01/01
Date of Entry: 2001/07/25
Revision Date: 2013/07/09
Glycogen Phosphorylase - Preferred
Concept UI M0332563
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.
Preferred term Glycogen Phosphorylase
Entry term(s) Phosphorylase ab
Phosphorylase, Glycogen



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