半岛bd体育手机客户端 说明
应用
Creatinine Deiminase microbial has been used:
包装
250 units in poly bottle
生化/生理作用
Creatinine deiminase catalyzes the hydrolysis of creatinine to methylhydantoine and ammonia.
物理属性
Isoelectric point : 4.4
Michaelis constant : 3.5 x 10 ̄3M (Creatinine)
Structure : 6 subunits per mol of enzyme
Inhibitors : Ag+,Hg++, o-phenanthroline,monoiodoacetate
Optimum pH : 8.5 – 9.5
Optimum temperature : 65 – 75℃
pH Stability : pH 7.0 – 11.0 (30℃, 20hr)
Thermal stability : Below 65℃ (pH 7.5, 1hr)
单位定义
One unit will hydrolyze 1.0 μmole of creatinine to N-methylhydantoin and NH3per min at pH 7.5 at 37 ℃ in a coupled system with
外形
Lyophilized powder containing mannitol as stabilizer
基本信息
酶学委员会(EC)编号 | 3.5.4.21 ( BRENDA | IUBMB ) |
EC 号 | 253-449-1 |
MDL编号 | MFCD00130878 |
NACRES | NA.54 |
半岛bd体育手机客户端 性质
形式 | lyophilized powder |
质量水平 | 200 |
specific activity | ≥25 units/mg protein |
分子量 | ~260 kDa |
组成 | Protein, ≥15% biuret |
储存温度 | ?20℃ |
安全信息
储存分类代码 | 13 - Non Combustible Solids |
WGK | WGK 3 |
闪点(F) | Not applicable |
闪点(C) | Not applicable |
个人防护装备 | Eyeshields, Gloves, type N95 (US) |
Sigma-Aldrich