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Literature summary extracted from

  • Butler, J.A.; Hunter, G.D.
    Stimulation by ribonucleic acid of induced beta-galactosidase formation in Bacillus megaterium (1956), Biochim. Biophys. Acta, 20, 405-406.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.2.1.23 additional information the enzyme is 30fold induced by 0.5% lactose, without induction a small basal amount of enzyme activity is present in the cells Priestia megaterium

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.2.1.23 quantitative expression analysis Priestia megaterium

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.23 lactose + H2O Priestia megaterium
-
 beta-D-glucose + beta-D-galactose
-
 ?
3.2.1.23 lactose + H2O Priestia megaterium KM / ATCC 13632
-
 beta-D-glucose + beta-D-galactose
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.23 Priestia megaterium
-
 inducible enzyme
-
3.2.1.23 Priestia megaterium KM / ATCC 13632
-
 inducible enzyme
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.23 2-nitrophenyl beta-D-galactopyranoside + H2O
-
 Priestia megaterium 2-nitrophenol + beta-D-galactose
-
 ?
3.2.1.23 2-nitrophenyl beta-D-galactopyranoside + H2O
-
 Priestia megaterium KM / ATCC 13632 2-nitrophenol + beta-D-galactose
-
 ?
3.2.1.23 lactose + H2O
-
 Priestia megaterium beta-D-glucose + beta-D-galactose
-
 ?
3.2.1.23 lactose + H2O
-
 Priestia megaterium KM / ATCC 13632 beta-D-glucose + beta-D-galactose
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.23 30
-
 assay at Priestia megaterium

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.23 7.1
-
 assay at Priestia megaterium