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Literature summary for 3.2.1.22 extracted from

  • Akiba, T.; Horikoshi, K.
    Properties of alpha-galactosidases of alkalophilic bacteria (1976), Agric. Biol. Chem., 40, 1851-1855.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Ag+
-
Bacillus sp. (in: Bacteria)
Ag+
-
Micrococcus sp.
Co2+
-
Bacillus sp. (in: Bacteria)
Co2+
-
Micrococcus sp.
Cu2+
-
Bacillus sp. (in: Bacteria)
Cu2+
-
Micrococcus sp.
Hg2+
-
Bacillus sp. (in: Bacteria)
Hg2+
-
Micrococcus sp.
NaN3
-
Bacillus sp. (in: Bacteria)
Ni2+
-
Bacillus sp. (in: Bacteria)
Ni2+
-
Micrococcus sp.
p-chloromercuribenzoate
-
Bacillus sp. (in: Bacteria)
p-chloromercuribenzoate
-
Micrococcus sp.
Pb2+
-
Bacillus sp. (in: Bacteria)
Pb2+
-
Micrococcus sp.
Zn2+
-
Bacillus sp. (in: Bacteria)
Zn2+
-
Micrococcus sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.47
-
4-nitrophenyl alpha-D-galactoside
-
Micrococcus sp.
1
-
4-nitrophenyl alpha-D-galactoside
-
Bacillus sp. (in: Bacteria)
1.5
-
melibiose
-
Micrococcus sp.
7.9
-
melibiose
-
Bacillus sp. (in: Bacteria)
12.6
-
raffinose
-
Micrococcus sp.
24.1
-
raffinose
-
Bacillus sp. (in: Bacteria)

Organism

Organism UniProt Comment Textmining
Bacillus sp. (in: Bacteria)
-
-
-
Micrococcus sp.
-
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5.8
-
-
Micrococcus sp.
20
-
-
Bacillus sp. (in: Bacteria)

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl alpha-D-galactoside + H2O
-
Bacillus sp. (in: Bacteria) 4-nitrophenol + alpha-D-galactose
-
?
4-nitrophenyl alpha-D-galactoside + H2O
-
Micrococcus sp. 4-nitrophenol + alpha-D-galactose
-
?
melibiose + H2O
-
Bacillus sp. (in: Bacteria) D-glucose + alpha-D-galactose
-
?
melibiose + H2O
-
Micrococcus sp. D-glucose + alpha-D-galactose
-
?
raffinose + H2O
-
Bacillus sp. (in: Bacteria) sucrose + alpha-D-galactose
-
?
raffinose + H2O
-
Micrococcus sp. sucrose + alpha-D-galactose
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
35
-
at higher temperatures enzymes unstable Bacillus sp. (in: Bacteria)
35
-
at higher temperatures enzymes unstable Micrococcus sp.

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 8.5
-
Bacillus sp. (in: Bacteria)
7.5 8
-
Micrococcus sp.