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Literature summary for 3.2.1.22 extracted from

  • Ueno, Y.; Ikami, T.; Yamauchi, R.; Kato, K.
    Purification and some properties of alpha-galactosidase from tubers of Stachys affinis (1980), Agric. Biol. Chem., 44, 2623-2629.
No PubMed abstract available
Search for more literature for 3.2.1.22

Inhibitors

Inhibitors Comment Organism Structure
D-fucose
-
 Stachys affinis
D-galactose
-
 Stachys affinis
L-arabinose
-
 Stachys affinis
myo-inositol
-
 Stachys affinis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.42
-
 p-nitrophenyl alpha-D-galactoside
-
 Stachys affinis
6.9
-
 planteose
-
 Stachys affinis
11.8
-
 raffinose
-
 Stachys affinis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
42000
-
 gel filtration Stachys affinis

Organism

Organism UniProt Comment Textmining
Stachys affinis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Stachys affinis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
29.1
-
-
 Stachys affinis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
p-nitrophenyl-alpha-D-galactoside + H2O
-
 Stachys affinis p-nitrophenol + alpha-D-galactose
-
 ?
planteose + H2O
-
 Stachys affinis ?
-
 ?
raffinose + H2O
-
 Stachys affinis sucrose + D-galactose
-
 ?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
 5 min, 50% loss in activity Stachys affinis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.2
-
-
 Stachys affinis