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Literature summary for 2.4.1.1 extracted from

  • Oluoha, U.; Ndukwu, E.D.
    Alpha-glucan phosphorylase from cocoyam (Xanthosoma sagittifolium) tuber: properties and kinetics (1999), Biokemistry, 9, 37-48.
No PubMed abstract available
Search for more literature for 2.4.1.1

Activating Compound

Activating Compound Comment Organism Structure
5'-AMP activation of phosphorolysis Xanthosoma sagittifolium
indoleacetic acid activation of phosphorolysis Xanthosoma sagittifolium

Inhibitors

Inhibitors Comment Organism Structure
ADP
-
 Xanthosoma sagittifolium
ADPglucose
-
 Xanthosoma sagittifolium
ATP
-
 Xanthosoma sagittifolium
Na2SO4
-
 Xanthosoma sagittifolium

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ activation Xanthosoma sagittifolium
Mg2+ activation Xanthosoma sagittifolium

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
95000
-
 gel filtration Xanthosoma sagittifolium

Organism

Organism UniProt Comment Textmining
Xanthosoma sagittifolium
-
 cocoyam
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate, affinity chromatography, ion-exchange, gel filtration Xanthosoma sagittifolium

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
13.5
-
-
 Xanthosoma sagittifolium

Substrates and Products (Substrate)

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

Subunits

Subunits Comment Organism
monomer 1 * 95000 Xanthosoma sagittifolium