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Literature summary for 3.5.2.6 extracted from

  • Davies, R.B.; Abrahym, E.P.
    Separation, purification and properties of beta-lactamase I and beta-lactamase II from Bacillus cereus 569/H/9 (1974), Biochem. J., 143, 115-127.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 3.5.2.6

Metals/Ions

Metals/Ions Comment Organism Structure
Zn2+ beta-lactamase II Bacillus cereus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
22000
-
 beta-lactamase II, SDS-PAGE Bacillus cereus
115000
-
 beta-lactamase I , SDS-PAGE Bacillus cereus

Organism

Organism UniProt Comment Textmining
Bacillus cereus
-
-
-
Bacillus cereus 569/H/9
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Bacillus cereus

Storage Stability

Storage Stability Organism
room temperature, 20 min, pH 4, 10-40% loss of activity Bacillus cereus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
benzylpenicillin + H2O
-
 Bacillus cereus (2R,4S)-2-[(R)-carboxy(2-phenylacetamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
 ?
benzylpenicillin + H2O
-
 Bacillus cereus 569/H/9 (2R,4S)-2-[(R)-carboxy(2-phenylacetamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
 ?
carbenicillin + H2O
-
 Bacillus cereus (2R,4S)-2-{(R)-carboxy[2-carboxy(phenyl)acetamido]methyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
 ?
carbenicillin + H2O
-
 Bacillus cereus 569/H/9 (2R,4S)-2-{(R)-carboxy[2-carboxy(phenyl)acetamido]methyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
 ?
methicillin + H2O
-
 Bacillus cereus (2R,4S)-2-[(R)-carboxy(2,6-dimethoxybenzamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
 ?
methicillin + H2O
-
 Bacillus cereus 569/H/9 (2R,4S)-2-[(R)-carboxy(2,6-dimethoxybenzamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
 ?
phenoxymethylpenicillin + H2O
-
 Bacillus cereus (2R,4S)-2-[(R)-carboxy(2-phenoxyacetamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
 ?
phenoxymethylpenicillin + H2O
-
 Bacillus cereus 569/H/9 (2R,4S)-2-[(R)-carboxy(2-phenoxyacetamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
 ?

Synonyms

Synonyms Comment Organism
beta-lactamase I-III different in molecular weight, localization, metal ion requirement Bacillus cereus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
 Bacillus cereus

pH Range

pH Minimum pH Maximum Comment Organism
5 9 pH 5, 6, 7, 9: 80, 120, 100, 45% relative activity respectively Bacillus cereus