2.4.1.1: glycogen phosphorylase

This is an abbreviated version!
For detailed information about glycogen phosphorylase, go to the full flat file.

Reaction

Synonyms

1,4-alpha-glucan phosphorylase, alpha-1,4 glucan phosphorylase, alpha-1,4-glycan phosphorylase, alpha-glucan phosphorylase, alpha-glucan phosphorylase H, alpha-glucan/maltodextrin phosphorylase, alphaGP, amylopectin phosphorylase, amylophosphorylase, CcStP, cyosolic phosphorylase, GlgP, glucan phosphorylase, glucosan phosphorylase, glycogen phosphorylase, glycogen phosphorylase a, glycogen phosphorylase b, glycogen phosphorylase-a, GP, GP b, GPA, GPase, GPase a, GPb, GPBB, GPH, granulose phosphorylase, MalP, maltodextrin phosphorylase, More, muscle glycogen phosphorylase, muscle phosphorylase, muscle phosphorylase a and b, myophosphorylase, PF1535, Phb, PHO, Pho 2, Pho1, phosphorylase a, phosphorylase b, phosphorylase, alpha-glucan, plastidial phosphorylase, polyphosphorylase, potato phosphorylase, RMGPa, rmGPb, SP, starch phosphorylase, starch phosphorylase H, stGP, StP, tGPGG, type L alpha-glucan phosphorylase

ECTree

     2 Transferases

         2.4 Glycosyltransferases

             2.4.1 Hexosyltransferases

                2.4.1.1 glycogen phosphorylase

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Results	in table
141	Activating Compound
36982	AA Sequence
24	Application
1	CAS Registry Number
19	Cloned(Commentary)
33	Cofactor
22	Crystallization (Commentary)
2810	Disease/ Diagnostics
1	Expression
24	General Information
15	General Stability
189	IC50 Value
763	Inhibitors
10	kcat/KM [mM/s]
126	Ki Value [mM]
367	KM Value [mM]
37	Localization
37	Metals/Ions
73	Molecular Weight [Da]
40	Natural Substrates/ Products (Substrates)
255	Organism
10	Pathway
335	PDB ID
84	pH Optimum
25	pH Range
7	pH Stability
1	pI Value
31	Posttranslational Modification
39	Protein Variants
74	Purification (Commentary)
9	Reaction
1	Reaction Type
241	Reference
2	Renatured (Commentary)
194	Source Tissue
78	Specific Activity [micromol/min/mg]
23	Storage Stability
484	Substrates and Products (Substrate)
69	Subunits
140	Synonyms
1	Systematic Name
52	Temperature Optimum [°C]
7	Temperature Range [°C]
49	Temperature Stability [°C]
78	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 2.4.1.1 - glycogen phosphorylase

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SYSTEMATIC NAME

IUBMB Comments

(1->4)-alpha-D-glucan:phosphate alpha-D-glucosyltransferase

This entry covers several enzymes from different sources that act in vivo on different forms of (1->4)-alpha-D-glucans. Some of these enzymes catalyse the first step in the degradation of large branched glycan polymers - the phosphorolytic cleavage of alpha-1,4-glucosidic bonds from the non-reducing ends of linear poly(1->4)-alpha-D-glucosyl chains within the polymers. The enzyme stops when it reaches the fourth residue away from an alpha-1,6 branching point, leaving a highly branched core known as a limit dextrin. The accepted name of the enzyme should be modified for each specific instance by substituting "glycogen" with the name of the natural substrate, e.g. maltodextrin phosphorylase, starch phosphorylase, etc.