ARDB-Antibiotic Resistance Genes Database

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Resistance Typebl2a_1
DescriptionClass A beta-lactamase. This enzyme breaks the beta-lactam antibiotic ring open and deactivates the molecule's antibacterial properites.
Antibiotic Resistancepenicillin
Gene Ontology (GO)Molecular Function
beta-lactamase activity [GO:0008800]


Biological Process
beta lactam resistance [AR:0000048]
drug enzymatic destruction [AR:0001004]
Found in GenusBacillus
NCBI CDD140710
Reference1) Hussain M, et al. (1985) Cloning and sequencing of the metallothioprotein beta-lactamase II gene of Bacillus cereus 569/H in Escherichia coli.. J Bacteriol 164(1):223-9 PubMed: 3930467