产品说明
一般描述
应用
L-Glutamine synthetase may be used for the purification of proteases from Escherichia coli.
生化/生理作用
L-glutamine synthetase catalyzes the condensation of L-glutamate and ammonia to L-glutamine. It is a degradative enzyme for glutamic acid.
Nitrogen starvation dictates the expression of the glutamine synthetase (GS) gene in E. coli. GS plays a key role in ammonia assimilation in bacteria. Adenylylation of GS is catalyzed by adenylyltransferase. Adenylylation of GS modulates its catalytic functionality resulting in glutamine limitation in E coli.
谷氨酸降解酶
单位定义
One unit will convert 1.0 μmole of
外形
Contains potassium phosphate, sodium citrate and magnesium acetate buffer salts
基本信息
酶学委员会(EC)编号 | 6.3.1.2 ( BRENDA | IUBMB ) |
MDL编号 | MFCD00131463 |
NACRES | NA.26 |
产品性质
形式 | lyophilized powder |
质量水平 | 200 |
specific activity | 400-2,000 units/mg protein |
纯化方式 | affinity chromatography |
包含 | dithioerythritol as preservative |
组成 | Protein, ~5% Lowry |
溶解性 | H2O: soluble 0.95-1.05 mg/mL, clear to hazy |
UniProt登记号 | P0A9C5 |
异质活性 | ATPase <0.2% |
储存温度 | −20℃ |
Gene Information | Escherichia coli K12 ... glnA(948370) |
安全信息
储存分类代码 | 11 - 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) |