beta-Lactamase Blend, recombinant, expressed in E. coli

beta-Lactamase Blend, recombinant, expressed in E. coli

Stock Code: 3579841
Manufacturer Part No: L7920-1VL
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Biochem/physiol Actions


?-Lactamases exhibit high carbapenemase activity. ?-lactamases can destroy the ?-lactam ring. Truecarbapenemaseshas the ability to hydrolyseseveral ?-lactam ring containing carbapenems like meropenem, doripenem, imipenem and ertapenem.


Components


600-1500 IU beta-lactamase I per vial60-150 IU beta-lactamase II per vial


General description


No detectable growth in tryptone soy broth at 30-35 °C for 14 days


Physical form


Lyophilized powder containing sodium chloride, potassium phosphate, dipotassium phosphate and sorbitol.


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.

Quality Level200
ManufacturerSIGMA-ALDRICH
Storage Temp.2-8°C
Formlyophilized powder

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