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Literature summary extracted from

  • Chevalier, P.M.; Rupp, R.A.
    Inhibition of sucrose:sucrose fructosyl transferase by cationic and ionic strength (1993), Plant Physiol., 101, 589-594.
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.1.99 Ca2+
-
 Allium cepa
2.4.1.99 Ca2+ 10 mM, 62% inhibition Triticum aestivum
2.4.1.99 choline chloride
-
 Triticum aestivum
2.4.1.99 Cu2+
-
 Allium cepa
2.4.1.99 Cu2+ 10 mM, 89% inhibition Triticum aestivum
2.4.1.99 K+ no inhibition by KCl Allium cepa
2.4.1.99 K+ no inhibition by KCl Asparagus officinalis
2.4.1.99 K+
-
 Dactylis glomerata
2.4.1.99 K+
-
 Hordeum vulgare
2.4.1.99 K+ 10 mM KCl, 20% inhibition, inhibition by ionic stength may be responsible for approximately 50% of the KCl inhibition Triticum aestivum
2.4.1.99 Mn2+
-
 Allium cepa
2.4.1.99 Mn2+
-
 Asparagus officinalis
2.4.1.99 Mn2+ 10 mM, 44% inhibition Triticum aestivum
2.4.1.99 Zn2+ 10 mM, 91% inhibition Triticum aestivum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.99 266
-
 sucrose
-
 Triticum aestivum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.99 sucrose + sucrose Hordeum vulgare
-
 D-glucose + 1F-beta-D-fructosylsucrose
-
 ?
2.4.1.99 sucrose + sucrose Triticum aestivum first enzyme in the biosynthetic pathway of most fructans D-glucose + 1F-beta-D-fructosylsucrose
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.99 Allium cepa
-
-
-
2.4.1.99 Asparagus officinalis
-
-
-
2.4.1.99 Dactylis glomerata
-
-
-
2.4.1.99 Hordeum vulgare
-
-
-
2.4.1.99 Triticum aestivum
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.99 bulb
-
 Allium cepa
-
2.4.1.99 leaf
-
 Triticum aestivum
-
2.4.1.99 leaf
-
 Hordeum vulgare
-
2.4.1.99 leaf
-
 Dactylis glomerata
-
2.4.1.99 stem
-
 Asparagus officinalis
-
2.4.1.99 stem
-
 Triticum aestivum
-
2.4.1.99 stem
-
 Hordeum vulgare
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.99 sucrose + sucrose
-
 Asparagus officinalis D-glucose + 1F-beta-D-fructosylsucrose
-
 ?
2.4.1.99 sucrose + sucrose
-
 Triticum aestivum D-glucose + 1F-beta-D-fructosylsucrose
-
 ?
2.4.1.99 sucrose + sucrose
-
 Hordeum vulgare D-glucose + 1F-beta-D-fructosylsucrose
-
 ?
2.4.1.99 sucrose + sucrose
-
 Allium cepa D-glucose + 1F-beta-D-fructosylsucrose
-
 ?
2.4.1.99 sucrose + sucrose
-
 Dactylis glomerata D-glucose + 1F-beta-D-fructosylsucrose
-
 ?
2.4.1.99 sucrose + sucrose first enzyme in the biosynthetic pathway of most fructans Triticum aestivum D-glucose + 1F-beta-D-fructosylsucrose
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.4.1.99 5.5
-
-
 Triticum aestivum

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
2.4.1.99 122
-
 K+
-
 Triticum aestivum