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Literature summary for 2.4.1.14 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
Search for more literature for 2.4.1.14

Activating Compound

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

Inhibitors

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

KM Value [mM]

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

Metals/Ions

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

Molecular Weight [Da]

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

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Ipomoea batatas
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
root
-
 Ipomoea batatas
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-alpha-D-glucose + D-fructose 6-phosphate
-
 Ipomoea batatas UDP + sucrose 6-phosphate
-
 ?
UDP-alpha-D-glucose + D-fructose 6-phosphate catalyzes the penultimate step of sucrose synthesis Ipomoea batatas UDP + sucrose 6-phosphate
-
 ?

Subunits

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
 Ipomoea batatas