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Literature summary for 2.4.1.1 extracted from

  • Vaandrager, S.H.; Van Marrewijk, W.J.A.; Beenakkers, A.M.Th.
    Kinetic properties of glycogen phosphorylases a, ab and b from flight muscles of the locust, Locusta migratoria (1987), Insect Biochem., 17, 695-700.
No PubMed abstract available
Search for more literature for 2.4.1.1

Inhibitors

Inhibitors Comment Organism Structure
ATP
-
 Locusta migratoria

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00003
-
 AMP phosphorylase a Locusta migratoria
0.007
-
 AMP phosphorylase ab Locusta migratoria
0.1
-
 glycogen phosphorylase b Locusta migratoria
0.27
-
 AMP phosphorylase b Locusta migratoria
0.5
-
 glycogen phosphorylase a and ab Locusta migratoria
1.15
-
 phosphate phosphorylase a Locusta migratoria
2.6
-
 phosphate phosphorylase ab Locusta migratoria
20
-
 phosphate isozyme ab Locusta migratoria
20
-
 phosphate phosphorylase b Locusta migratoria

Organism

Organism UniProt Comment Textmining
Locusta migratoria
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Locusta migratoria

Source Tissue

Source Tissue Comment Organism Textmining
muscle flight muscle Locusta migratoria
-

Substrates and Products (Substrate)

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.9 7.2 phosphorylases a, ab, b Locusta migratoria

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.27
-
 ATP
-
 Locusta migratoria