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P4524 Sigma

β-Lactamase from Enterobacter cloacae

Type IV, lyophilized powder, 0.2-0.6 units/mg protein (using benzylpenicillin)

Synonym: β-Lactamase I, β-Lactamase II, Cephalosporinase, Penicillin amido-β-lactam hydrolase, Penicillinase from Enterobacter cloacae

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Description

Analysis Note

Protein determined by biuret.

Biochem/physiol Actions

β--lactamase inactivates β-lactam antibiotics by breaking open the β-lactam ring.

Packaging

100, 250 units in glass bottle

Unit Definition

One unit will hydrolyze 1.0 μmole of benzylpenicillin per min at pH 7.0 at 25 °C. This International Unit (using benzylpenicillin as substrate) is approximately equal to 600 Levy or 75 Pollock units.

Physical form

Lyophilized powder containing sodium phosphate buffer salts

Application

β--lactamase is used to inactivate β-lactam antibiotics by breaking open the β-lactam ring. β--lactamase is used to study antibiotic resistance and resistance suppression. Product P4524 is produced from Enterobacter cloacae and is provided as a lyophilized powder.

Price and Availability


All labs need water
Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles

Related Content

Enzymes & Proteins

Application Index | Enzyme Index | Substrate Index | Inhibitor Index | Cofactor Index | Lectin Index
Keywords: Cell signaling, Diagnostic, Drug discovery, Molecular biology

Peer-Reviewed Papers
15

References

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