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Literature summary extracted from

  • Lunn, J.E.; Ap Rees, T.
    Purification and properties of sucrose-phosphate synthase from seeds of Pisum sativum (1990), Phytochemistry, 29, 1057-1063.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.14 D-fructose-1,6-diphosphate
-
 Pisum sativum
2.4.1.14 glucose-6-phosphate
-
 Pisum sativum
2.4.1.14 Mg2+ stimulates enzyme activity Pisum sativum

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.1.14 phosphate
-
 Pisum sativum
2.4.1.14 UDP
-
 Pisum sativum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.14 0.8
-
 D-fructose 6-phosphate in presence of 5 mM glucose 6-phosphate Pisum sativum
2.4.1.14 2.4
-
 UDP-glucose
-
 Pisum sativum
2.4.1.14 3
-
 D-fructose 6-phosphate in presence of 0.5 mM glucose 6-phosphate Pisum sativum

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.4.1.14 Mg2+ stimulates enzyme activity Pisum sativum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.4.1.14 456000
-
 gel filtration Pisum sativum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.14 UDP-alpha-D-glucose + D-fructose 6-phosphate Pisum sativum catalyzes the penultimate step of sucrose synthesis UDP + sucrose 6-phosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.14 Pisum sativum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.14
-
 Pisum sativum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.14 seed germinated Pisum sativum
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.4.1.14 4.22
-
 purified enzyme Pisum sativum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.14 UDP-alpha-D-glucose + D-fructose 6-phosphate
-
 Pisum sativum UDP + sucrose 6-phosphate
-
 ?
2.4.1.14 UDP-alpha-D-glucose + D-fructose 6-phosphate catalyzes the penultimate step of sucrose synthesis Pisum sativum UDP + sucrose 6-phosphate
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.4.1.14 7
-
-
 Pisum sativum