X-GlcU (5-Bromo-4-chloro-3-indolyl-β-D-glucuronide, cyclohexylammonium salt) 是β-葡萄糖醛酸酶的显色底物,来监控食物(肉类,乳制品和贝类)和水中的大肠杆菌污染,并可用于检测植物中GUS基因的表达。X-GlcU也用于临床中,通过检测大肠杆菌来评估尿路感染。底物被酶水解后产生深蓝色的沉淀(λmax 615 nm)。
用于β-葡萄糖醛酸酶(GUS)基因检测的显色底物 应用: 溶于乙酸缓冲液的4-硝基苯β-D-葡糖苷酸已用作[1]测定β-葡糖醛酸酶的底物 4-Nitrophenyl β-D-glucuronide has been used as substrate in acetate buffer to measure β-glucuronidase 关联靶点(人) ...