青霉素 来源于蜡样芽胞杆菌
Penicillinase from Bacillus cereus
产品价格
| 产品编号 | 品牌 | 纯度规格 | 包装单位 | 单价(元) | 现货 |
| 3179806 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 25 MG | 5900 | 请咨询 |
| 3179807 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 1000 UNITS | 997 | 请咨询 |
| 3179807 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 10000 UNITS | 5300 | 请咨询 |
| 3179807 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 25000 UNITS | 11510 | 请咨询 |
| 3179807 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 5 X 25 KU | 42510 | 请咨询 |
| 3179807 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 5000 UNITS | 3150 | 请咨询 |
| 3411530 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 100 UNITS | 3550 | 请咨询 |
| 3411530 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 250 UNITS | 8350 | 请咨询 |
| 3411532 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 1 VIAL | 7690 | 请咨询 |
| 3488250 | Ryon | 阴沟肠杆菌，0.2～0.6units/mg | 100U | 3600 | 请咨询 |
| 3488250 | Ryon | 蜡样芽胞杆菌提起，1500～3000units/mg | 1KU | 1035 | 请咨询 |
| 3488250 | Ryon | 阴沟肠杆菌，0.2～0.6units/mg | 250U | 8000 | 请咨询 |
| 3488250 | Ryon | 蜡样芽胞杆菌提起，1500～3000units/mg | 5KU | 3080 | 请咨询 |
| 4155593 | Sigma-Aldrich | lyophilized, powder, white, ~13 U/mg | 25 MG | 4010 | 请咨询 |
基本信息
| Enzyme Commission (EC) Number【酶学委员会(EC)编号】 | 3.5.2.6 ( BRENDA | IUBMB ) |
| MDL number | MFCD00131819 |
| NACRES | NA.54 |
| Quality【质量】 | lyophilized |
| General description【一般描述】 | Penicillinase from Bacillus cereus is both an extracellular and cell-bound enzyme. It has a single polypeptide chain and has a molecular weight of 31 kDa. It lacks cysteine in the protein sequence. |
| Application【应用】 | 用于生产青霉素。 Penicillinase from Bacillus cereus may be used in the preparation of biosensor for amperometric detection of hydrolysis of penicillin. |
| Biochem/physiol Actions【生化/生理作用】 | 青霉素酶特异性催化青霉素的 β-内酰胺环的水解。 |
| Unit Definition【单位定义】 | 一个单元将在 pH7.0，25℃ 下，每分钟水解 1.0 μmole 指定的底物。以苄青霉素单位出售。该国际单位(使用苄青霉素作为底物)约等于 600 Levy 或 75 Pollock 单位。 |
| Other Notes【其他说明】 | Used to destroy β-lactam antibiotics in body fluids or culture media. For the determination of penicillin; In the coupled enzyme assay for isopenicillin N synthetase; ELISA of estradiol; Penicillinase optodes |
产品性质
| form【形式】 | powder |
| Quality Level【质量水平】 | 100 |
| Specific Activity | ~13 U/mg |
| mol wt【分子量】 | Mr ~30000 |
| color【颜色】 | white |
| foreign activity【异质活性】 | β-lactamase II ≤2% |
| storage temp.【储存温度】 | −20℃ |
| packaging【包装】 | Bottomless glass bottle. Contents are inside inserted fused cone. |
安全信息
| Pictograms【象形图】 | GHS08 |
| Signal word【警示用语：】 | Danger |
| Hazard Statements | H317 - H334 |
| Precautionary Statements | P261 - P272 - P280 - P284 - P302 + P352 - P333 + P313 |
| Hazard Classifications【危险分类】 | Resp. Sens. 1 - Skin Sens. 1 |
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 3 |
| Personal Protective Equipment【个人防护装备】 | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |