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Literature summary for 3.2.1.26 extracted from

  • Obenland, D.M.; Simmen, U.; Boller, T.; Wiemken, A.
    Purification and characterization of three soluble invertases from barley (Hordeum vulgare L.) leaves (1993), Plant Physiol., 101, 1331-1339.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
Hg2+ invertase I is more than 2fold more resistant than invertase IIA and IIB Hordeum vulgare
pyridoxal invertase I is more than 2fold more resistant than invertase IIA and IIB Hordeum vulgare

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1
-
sucrose invertase IIA Hordeum vulgare
1.7
-
sucrose invertase IIB Hordeum vulgare
8.1
-
sucrose invertase I Hordeum vulgare

Localization

Localization Comment Organism GeneOntology No. Textmining
intracellular
-
Hordeum vulgare 5622
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
64000
-
invertase I, gel filtration Hordeum vulgare
116000
-
invertase IIa, gel filtration Hordeum vulgare
155000
-
invertase IIb, gel filtration Hordeum vulgare

Organism

Organism UniProt Comment Textmining
Hordeum vulgare
-
-
-

Purification (Commentary)

Purification (Comment) Organism
invertase I, IIa and Iib Hordeum vulgare

Source Tissue

Source Tissue Comment Organism Textmining
leaf three soluble invertases Hordeum vulgare
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
50
-
invertase I Hordeum vulgare
109
-
invertase IIA Hordeum vulgare
192
-
invertase IIB Hordeum vulgare

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 sucrose fructosyltransferase activity at high sucrose concentrations Hordeum vulgare 1-kestose + glucose
-
?
sucrose + H2O
-
Hordeum vulgare D-fructose + D-glucose
-
?