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Literature summary for 3.2.1.26 extracted from

  • Isla, M.I.; Vattuone, M.A.; Gutierrez, M.I.; Sampietro, A.R.
    Acid invertase from Tropaeolum leaves (1988), Phytochemistry, 27, 1993-1998.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
Alkaline phosphatase 336 mM, 27% inhibition Tropaeolum majus
beta-Lactoglobulin 336 mM, 27% inhibition Tropaeolum majus
bovine serum albumin activates Tropaeolum majus
Human gamma-globulin 336 mM, 27% inhibition Tropaeolum majus

Inhibitors

Inhibitors Comment Organism Structure
alpha-methyl glucoside 50 mM, 20% inhibition Tropaeolum majus
Ba2+
-
Tropaeolum majus
beta-methyl-fructoside 336 mM, 27% inhibition Tropaeolum majus
Ca2+
-
Tropaeolum majus
cellobiose 40 mM, 22% inhibition Tropaeolum majus
Co2+
-
Tropaeolum majus
Cu2+
-
Tropaeolum majus
fructose partial competitive Tropaeolum majus
galactose 50 mM, 10% inhibition Tropaeolum majus
glucose non-competitive Tropaeolum majus
Hg2+
-
Tropaeolum majus
Inositol
-
Tropaeolum majus
lactose 40 mM, 17% inhibition Tropaeolum majus
maltose 80 mM, 40% inhibition Tropaeolum majus
melezitose 40 mM, 10% inhibition Tropaeolum majus
melibiose 40 mM, 13% inhibition Tropaeolum majus
Mn2+
-
Tropaeolum majus
additional information product inhibition does not appear to be involved in the physiological regulation of the enzyme Tropaeolum majus
trehalose 50 mM, 23% inhibition Tropaeolum majus
turanose 20 mM, complete inhibition Tropaeolum majus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5.3
-
sucrose
-
Tropaeolum majus
17
-
raffinose
-
Tropaeolum majus
25
-
stachyose
-
Tropaeolum majus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
74000
-
gel filtration Tropaeolum majus

Organism

Organism UniProt Comment Textmining
Tropaeolum majus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Tropaeolum majus

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Tropaeolum majus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
raffinose + H2O
-
Tropaeolum majus fructose + melibiose
-
?
stachyose + H2O
-
Tropaeolum majus ?
-
?
sucrose + H2O
-
Tropaeolum majus D-fructose + D-glucose
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.3
-
-
Tropaeolum majus