Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
Native β-lactamase from Bacillus cereus 569/H9. Bacterial enzyme that destroys β-lactam antibiotics. Useful for assaying penicillins and cephalosporins.
Note: 1 unit is equivalent to 75 Pollack or 600 Levy units.
One unit is defined as the amount of enzyme that will hydrolyze 1.0 µmol benzyl penicillin and 1.0 µmol of cephalosporin C, respectively, per min at 25°C.
Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.
Revision
13-May-2008 RFH
Synonyms
Penicillinase
Description
Native β-lactamase from Bacillus cereus 569/H9. Bacterial enzyme that destroys β-lactam antibiotics. Useful for assaying penicillins and cephalosporins.
One unit is defined as the amount of enzyme that will hydrolyze 1.0 µmol benzyl penicillin and 1.0 µmol of cephalosporin C, respectively, per min at 25°C.
Solubility
Sterile, distilled H₂O
Storage
-20°C
Do Not Freeze
Ok to freeze
Special Instructions
Following reconstitution, store in the refrigerator (4°C). Stock solutions are stable for up to 1 month at 4°C.
