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Literature summary extracted from

  • Chen, W.L.; Huang, D.J.; Liu, P.H.; Wang, H.L.; Su, J.C.; Lee, P.D.
    Purification and characterization of sucrose phosphate synthase from sweet potato tuberous roots (2001), Bot. Bull. Acad. Sin., 42, 123-129.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.14 D-glucose
-
 Ipomoea batatas
2.4.1.14 D-glucose-1-phosphate
-
 Ipomoea batatas
2.4.1.14 glucosamine
-
 Ipomoea batatas
2.4.1.14 lactose
-
 Ipomoea batatas
2.4.1.14 maltose
-
 Ipomoea batatas
2.4.1.14 Mg2+ stimulates enzyme activity Ipomoea batatas
2.4.1.14 additional information no activation with glucose-6-phosphate Ipomoea batatas

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.1.14 ADP
-
 Ipomoea batatas
2.4.1.14 ATP
-
 Ipomoea batatas
2.4.1.14 delta-gluconolactone
-
 Ipomoea batatas
2.4.1.14 Hg2+
-
 Ipomoea batatas
2.4.1.14 additional information no phosphate inhibition Ipomoea batatas
2.4.1.14 p-chloromercuribenzoate
-
 Ipomoea batatas
2.4.1.14 UTP
-
 Ipomoea batatas

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.14 5.3
-
 D-fructose 6-phosphate
-
 Ipomoea batatas
2.4.1.14 31.3
-
 UDP-glucose
-
 Ipomoea batatas

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.4.1.14 Mg2+ stimulates enzyme activity Ipomoea batatas

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.4.1.14 130000 140000 SDS-PAGE Ipomoea batatas
2.4.1.14 540000
-
 native PAGE Ipomoea batatas

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 Ipomoea batatas catalyzes the penultimate step of sucrose synthesis UDP + sucrose 6-phosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.14 Ipomoea batatas
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.14 root
-
 Ipomoea batatas
-

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
-
 Ipomoea batatas UDP + sucrose 6-phosphate
-
 ?
2.4.1.14 UDP-alpha-D-glucose + D-fructose 6-phosphate catalyzes the penultimate step of sucrose synthesis Ipomoea batatas UDP + sucrose 6-phosphate
-
 ?

Subunits

EC Number Subunits Comment Organism
2.4.1.14 tetramer 4 * 1300000-140000, native and SDS-PAGE Ipomoea batatas

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.4.1.14 7.5
-
-
 Ipomoea batatas