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Literature summary for 3.2.1.22 extracted from

  • Kawamura, S.; Kasai, T.; Tanusi, S.
    Purification ans properties of alpha-galactosidase from Escherichia coli subsp. communior IAM 1272 (1976), Agric. Biol. Chem., 40, 641-648.
No PubMed abstract available
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KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.12
-
 4-nitrophenyl alpha-D-galactoside
-
 Escherichia coli
2.33
-
 melibiose
-
 Escherichia coli
3.65
-
 raffinose
-
 Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
27350
-
-
 Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl alpha-D-galactoside + H2O
-
 Escherichia coli 4-nitrophenol + alpha-D-galactose
-
 ?
melibiose + H2O
-
 Escherichia coli D-glucose + alpha-D-galactose
-
 ?
raffinose + H2O
-
 Escherichia coli sucrose + D-galactose
-
 ?
stachyose + H2O
-
 Escherichia coli ?
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
-
 Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.8
-
-
 Escherichia coli