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Literature summary extracted from

  • Oluoha, U.; Ugochukwu, E.N.
    Isolation and kinetic properties of phosphorylase from yellow yam tuber (Dioscorea cayenensis) (1991), Biol. Plant., 33, 249-261.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.1 5'-AMP activation Dioscorea cayenensis

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.1.1 ADP
-
 Dioscorea cayenensis
2.4.1.1 ADPglucose
-
 Dioscorea cayenensis
2.4.1.1 ATP
-
 Dioscorea cayenensis
2.4.1.1 sulfate
-
 Dioscorea cayenensis

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.1 additional information
-
 additional information kinetic data Dioscorea cayenensis

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.4.1.1 Mg2+ activation Dioscorea cayenensis

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.1 [(1->4)-alpha-D-glucosyl]n + phosphate Dioscorea cayenensis pathway in starch [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.1 Dioscorea cayenensis
-
 yellow yam
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.1 2 enzymes, DC1 and 2, starch adsorption, DEAE-Sephadex Dioscorea cayenensis

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.1 tuber
-
 Dioscorea cayenensis
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.4.1.1 300
-
 isozyme DC2 Dioscorea cayenensis
2.4.1.1 400
-
 isozyme DC1 Dioscorea cayenensis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.1 [(1->4)-alpha-D-glucosyl]n + phosphate polyglucose primer required Dioscorea cayenensis [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate
-
 r
2.4.1.1 [(1->4)-alpha-D-glucosyl]n + phosphate pathway in starch Dioscorea cayenensis [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate
-
 ?