产品名称

β-Lactamase from Enterobacter cloacae

别 称

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

含 量

Type IV, 0.2-0.6 units/mg protein (using benzylpenicillin); Protein, ~60%

CAS  NO.

9073-60-3

MDL  number

MFCD00131819

适用范围

生物试剂

l  理化信息

外 观

白色至黄色冻干粉末

物理形态

Lyophilized powder containing sodium phosphate buffer salts

溶解性(25°C)

0.90 - 1.10mg/ml water; Colorless to Light Yellow; Clear to Hazy

l  生物学信息

生物活性/药理作用

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

应 用

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. The product is produced from Enterobacter cloacae and is provided as a lyophilized powder.

样品准备说明

Lyophilized powder containing sodium phosphate buffer salts

有效单位定义

One unit will hydrolyze 1.0μmole of  benzylpenicillin per min at pH7.0 at 25°C. This International Unit (using benzylpenicillin as substrate) is approximately equal to 600 Levy or 75 Pollock units.

l  存储

存储温度

2-8°C

l  注意事项及免责声明

本产品仅用于实验研究，不得作为药物使用，不得用于家用或其它用途。

l  参考文献

1.    http://www.drugbank.ca

2.    https://ncit.nci.nih.gov

3.    https://www.ncbi.nlm.nih.gov