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 III, 6-18 units/mg protein (using benzylpenicillin); Protein,~10%  

CAS  NO.

9073-60-3

MDL  number

MFCD00131819

适用范围

生物试剂

l  理化信息

外 观

白色至淡黄色冻干粉末

溶解性(25°C)

0.90 - 1.10mg/ml water; Colorless; Clear

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.

样品准备说明

Lyophilized powder containing sodium phosphate and sodium citrate buffer salts.

有效单位定义

One unit will hydrolyze 1.0 μmole 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