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Literature summary for 2.4.1.1 extracted from

  • Van Marrewijk, W.J.A.; Van den Broek, A.T.M.; Beenakkers, A.M.T.
    Isolation and partial characterization of three forms of glycogen phosphorylase from fat body of Locusta migratoria (1988), Insect Biochem., 18, 37-44.
No PubMed abstract available
Search for more literature for 2.4.1.1

Activating Compound

Activating Compound Comment Organism Structure
5'-AMP activation Locusta migratoria
5'-AMP 0.01 mM, 1.0 mM or 2 mM, maximal stimulation of isozymes a, ab or b, respectively Locusta migratoria
IMP activation of isozyme a and ab, not b Locusta migratoria

Inhibitors

Inhibitors Comment Organism Structure
ADP
-
 Locusta migratoria
ATP
-
 Locusta migratoria
D-glucose
-
 Locusta migratoria
trehalose weak Locusta migratoria
UDPglucose weak inhibition Locusta migratoria

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
92500
-
 2 * 92500, SDS-PAGE Locusta migratoria
180000 193000 isozymes a, ab, and b, gel filtration Locusta migratoria

Organism

Organism UniProt Comment Textmining
Locusta migratoria
-
 locust
-

Purification (Commentary)

Purification (Comment) Organism
isozymes a, ab and b, acid treatment, DEAE-Sephacel, 5'-AMP-Sepharose Locusta migratoria

Source Tissue

Source Tissue Comment Organism Textmining
fat body
-
 Locusta migratoria
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
[(1->4)-alpha-D-glucosyl]n + phosphate
-
 Locusta migratoria [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate
-
 r

Subunits

Subunits Comment Organism
dimer 2 * 92500, SDS-PAGE Locusta migratoria

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.9 7.2
-
 Locusta migratoria