Sigma-Aldrich
BETA-LACTAMASE BLEND RECOMBINANT EXPRESSED IN E. COLI
General description No detectable growth in tryptone soy broth at 30-35 °C for 14 days Biochem/physiol Actions β:-Lactamases exhibit high carbapenemase activity. β:-lactamases can destroy the β:-lactam ring.
General description
No detectable growth in tryptone soy broth at 30-35 °C for 14 days
Biochem/physiol Actions
β-Lactamases exhibit high carbapenemase activity. β-lactamases can destroy the β-lactam ring. True carbapenemases has the ability to hydrolyse several β-lactam ring containing carbapenems like meropenem, doripenem, imipenem and ertapenem.
Components
600-1500 IU beta-lactamase I per vial
60-150 IU beta-lactamase II per vial
Unit Definition
One unit will hydrolyze 1.0 μmole substrate per min (βI: benzylpenicillin; βII: cephalosporin C) in phosphate buffer, pH 7.0 at 25°C.
Physical form
Lyophilized powder containing sodium chloride, potassium phosphate, dipotassium phosphate and sorbitol.
- UPC:
- 41106202
- Condition:
- New
- Weight:
- 1.00 Ounces
- HazmatClass:
- No
- Quantity:
- 1
- Unit of Measurement:
- VL
- MPN:
- L7920-1VL



