脲酶/尿素酶 Urease
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脲酶/尿素酶 Urease
Urease G 3.5.1.5
from：Jack Bean
| PRODUCT DESCRIPTION | |
| Catalog No.: | SCURH16C |
| Appearance: | White lyophilized powder |
| Source: | Jack Bean |
| Enzyme Commission Number: | EC 3.5.1.5 |
| CAS Number: | 9002-13-5 |
| Storage temperature: | -20℃ |
| Specific activity: | ≥ 200U/mg |
| Unit definition: | One unit hydrolyze one micromole of urea per minute at pH 8.0 at 37℃. |
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| PROPERTIES | |
| Stability: | Stable at -20℃ for at least two year |
| Molecular weight: | 90 kDa (SDS-PAGE) |
| Isoelectric point: | 5.1 |
| Michaelis constant: | 3.7×10-3 M (Urea) |
| Optimum pH: | 7.5 |
| Optimum temperature: | 50~55℃ |
| pH Stability: | 4.5~10.0 (30℃, 17hr) |
| Thermal stability: | < 60℃ (pH 8.0, 1hr) |
| Inhibitors: | Cu2+ ,Zn2+,Zi2+,NEM,Proclin |
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