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Literature summary extracted from

  • Gaudreault, P.R.; Webb, J.A.
    Partial purification and properties of an alkaline alpha-galactosidase from mature leaves of Cucurbita pepo (1983), Plant Physiol., 71, 662-668.
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.22 Ag+
-
Cucurbita pepo
3.2.1.22 Ca2+
-
Cucurbita pepo
3.2.1.22 Co2+
-
Cucurbita pepo
3.2.1.22 Cu2+
-
Cucurbita pepo
3.2.1.22 D-galactose
-
Cucurbita pepo
3.2.1.22 Hg2+
-
Cucurbita pepo
3.2.1.22 Mg2+
-
Cucurbita pepo
3.2.1.22 Mn2+
-
Cucurbita pepo
3.2.1.22 Ni2+
-
Cucurbita pepo
3.2.1.22 Zn2+
-
Cucurbita pepo

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.22 1
-
p-nitrophenyl alpha-D-galactoside
-
Cucurbita pepo
3.2.1.22 1.4
-
o-nitrophenyl alpha-D-galactoside
-
Cucurbita pepo
3.2.1.22 2
-
m-nitrophenyl alpha-D-galactoside
-
Cucurbita pepo
3.2.1.22 4.5
-
stachyose
-
Cucurbita pepo
3.2.1.22 36.4
-
raffinose
-
Cucurbita pepo

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.22 Cucurbita pepo
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.22
-
Cucurbita pepo

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.22 3.09
-
-
Cucurbita pepo

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.22 galactinol + H2O
-
Cucurbita pepo alpha-D-galactopyranose + myoinositol
-
?
3.2.1.22 m-nitrophenyl alpha-D-galactoside + H2O
-
Cucurbita pepo m-nitrophenol + D-galactose
-
?
3.2.1.22 melibiose + H2O
-
Cucurbita pepo D-galactose + D-glucose
-
?
3.2.1.22 o-nitrophenyl alpha-D-galactoside + H2O
-
Cucurbita pepo o-nitrophenol + D-galactose
-
?
3.2.1.22 p-nitrophenyl-alpha-D-galactoside + H2O
-
Cucurbita pepo p-nitrophenol + alpha-D-galactose
-
?
3.2.1.22 raffinose + H2O
-
Cucurbita pepo sucrose + D-galactose
-
?
3.2.1.22 stachyose + H2O
-
Cucurbita pepo ?
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.22 7.5
-
-
Cucurbita pepo