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Literature summary extracted from

  • Matic, S.; Akerlund, H.E.; Everitt, E.; Widell, S.
    Sucrose synthase isoforms in cultured tobacco cells (2004), Plant Physiol. Biochem., 42, 299-306.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.13 actin activity of SuSy2 in breakdown direction is stimulated by 60% Nicotiana tabacum
2.4.1.13 fructose 2,6-bisphosphate stimulates SuSy2 in presence of actin Nicotiana tabacum

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.1.13 actin 0.001 mM, 17% inhibition of SuSy1 Nicotiana tabacum
2.4.1.13 D-fructose 10 mM, about 80% loss of activity, SuSy1 Nicotiana tabacum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.13 0.0076
-
 UDP 25°C, isoform SuSy1 Nicotiana tabacum
2.4.1.13 0.032
-
 UDP 25°C, isoform SuSy2 Nicotiana tabacum
2.4.1.13 0.42
-
 UDP-glucose 25°C, isoform SuSy1 Nicotiana tabacum
2.4.1.13 0.45
-
 UDP-glucose 25°C, isoform SuSy2 Nicotiana tabacum
2.4.1.13 1.05
-
 D-fructose 25°C, isoform SuSy1 Nicotiana tabacum
2.4.1.13 2.65
-
 D-fructose 25°C, isoform SuSy2 Nicotiana tabacum
2.4.1.13 22.3
-
 sucrose 25°C, isoform SuSy1 Nicotiana tabacum
2.4.1.13 30.3
-
 sucrose 25°C, isoform SuSy2 Nicotiana tabacum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.1.13 cytoskeleton associated to Nicotiana tabacum 5856
-
2.4.1.13 cytosol
-
 Nicotiana tabacum 5829
-
2.4.1.13 membrane bound to Nicotiana tabacum 16020
-

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.13 Nicotiana tabacum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.13 isoform SuSy1 and SuSy2 Nicotiana tabacum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.13 UDP + sucrose
-
 Nicotiana tabacum UDP-glucose + D-fructose
-
 r

Synonyms

EC Number Synonyms Comment Organism
2.4.1.13 SuSy
-
 Nicotiana tabacum

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.4.1.13 4.97
-
 sucrose SuSy1, 25°C Nicotiana tabacum
2.4.1.13 39.5
-
 sucrose SuSy2, 25°C Nicotiana tabacum