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Literature summary for 3.2.1.23 extracted from

  • Batra, N.; Singh, J.; Banerjee, U.C.; Patnaik, P.R.; Sobti, R.C.
    Production and characterization of a thermostable beta-galactosidase from Bacillus coagulans RCS3 (2002), Biotechnol. Appl. Biochem., 36, 1-6.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
EDTA 20.0 mM, activation to 116% Weizmannia coagulans

Application

Application Comment Organism
nutrition high thermostability and pH-stability and good hydrolytic capability make this enzyme potentially useful in dairy industry Weizmannia coagulans

Inhibitors

Inhibitors Comment Organism Structure
Cu2+ 2.0 mM, 91% inhibition Weizmannia coagulans
D-glucose 0.1 M, 12% inhibition Weizmannia coagulans
galactose 0.1 M, 91% inhibition, competitive Weizmannia coagulans
Hg2+ 2.0 mM, 66% inhibition Weizmannia coagulans
Ni2+ 2.0 mM, 76% inhibition Weizmannia coagulans

Organism

Organism UniProt Comment Textmining
Weizmannia coagulans
-
-
-
Weizmannia coagulans RCS3
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
lactose + H2O
-
Weizmannia coagulans D-glucose + D-galactose
-
?
lactose + H2O
-
Weizmannia coagulans RCS3 D-glucose + D-galactose
-
?
additional information efficient hydrolysis of whey Weizmannia coagulans ?
-
?
additional information efficient hydrolysis of whey Weizmannia coagulans RCS3 ?
-
?
o-nitrophenyl beta-D-galactopyranoside + H2O
-
Weizmannia coagulans o-nitrophenol + beta-D-galactose
-
?
o-nitrophenyl beta-D-galactopyranoside + H2O
-
Weizmannia coagulans RCS3 o-nitrophenol + beta-D-galactose
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
65
-
-
Weizmannia coagulans

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
50 70 50°C: about 45% of maximal activity, 70°C: about 30% of maximal activity Weizmannia coagulans

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
63
-
half-life: 15 h Weizmannia coagulans
65
-
half-life: 2 h Weizmannia coagulans

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.8
-
-
Weizmannia coagulans