369-07-3
![369-07-3 结构式](/CAS/GIF/369-07-3.gif)
基本信息
2-硝基苯基-β-D-呋喃半乳糖苷
2-硝基苯-β-D-吡喃半乳糖苷
2-硝基苯基-β-D-吡喃半乳糖苷
邻硝基苯基-β-D-半乳糖苷
邻硝基苯基-β-D-水解吡啶
磷硝基苯-β-D-吡喃半乳糖苷
邻硝基苯半乳糖苷
2-硝基苯-Β-D-半乳糖苷
ONPG,2-硝基苯基-Β-D-半乳糖苷
ONPG,邻硝基苯基Β-D-半乳糖苷
邻硝基苯基-B-D-半乳吡喃糖苷
2-硝基苯基-~-D-半乳糖苷
邻硝基苯Β-D-半乳糖苷
2-硝基苯基-~-D-半乳糖苷, 98+%
2-硝基苯基-B-D-半乳糖苷, 98+%
2-NITROPHENYL-B-D-GALACTOSIDE
2'-NITROPHENYL-BETA-D-GALACTOPYRANOSIDE
2-NITROPHENYL-BETA-D-GALACTOPYRANOSIDE
2-NITROPHENYL-BETA-D-GALACTOSIDE
2-NITROPHENYL BETA-D-GALACTOSIDE-(1,5)
2-NITROPHENYL-BETA-D-GALAKTOPYRANOSIDE
NITROPHENYL-B-D-GALACTOPYRANOSIDE, 2-
O-NITROPHENYL-B-D-GALACTOPYRANOSIDE
O-NITROPHENYL-BETA-D-GALACTOPYRANOSIDE
O-NITROPHENYL BETA-D-GALACTOSIDE
ONP-BETA-D-GAL
ONP BETA-D-GALACTOPYRANOSIDE
ONPG
2-Nitrophenyl hexopyranoside
2-Nitrophenyl-beta-delta-galactopyranoside
beta-D-Galactopyranoside, 2-nitrophenyl
beta-d-galactopyranoside,2-nitrophenyl
Galactopyranoside, o-nitrophenyl, beta-D-
o-Nitrophenyl beta-galactoside
物理化学性质
报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
2024/08/19 | L10939 | 2-硝基苯基-b-D-半乳糖苷, 98+%
2-Nitrophenyl-beta-D-galactopyranoside, 98+% | 369-07-3 | 1g | 407元 |
2024/08/19 | L10939 | 2-硝基苯基-b-D-半乳糖苷, 98+%
2-Nitrophenyl-beta-D-galactopyranoside, 98+% | 369-07-3 | 5g | 1640元 |
2024/08/19 | HY-15926 | 2-硝基苯-beta-D-半乳糖苷 ONPG | 369-07-3 | 500mg | 200元 |
常见问题列表
The enzyme displays high hydrolysis ability for ONPG (100%) and moderate activity for its natural substrate lactose (25.7%). However, the hydrolysis ability of the enzyme towards all other chromogenic nitrophenyl analogues is very weak, indicating that Gal308 is a β-galactosidase with narrow substrate specificity. To investigate the kinetic parameters of recombinant enzyme, the Michaelis-Menten constants (K m ), turnover numbers (k cat ), and catalytic efficiencies (k cat /K m ) of Gal308 for ONPG and lactose are determined. The k cat and K m values are 464.7±7.8 s -1 and 2.7±0.3 mM for ONPG, and 264.2±2.1 s -1 and 7.1±0.8 mM for lactose, respectively. The k cat /K m value of the enzyme for ONPG (172.1 s -1 mM -1 ) is 4.6-fold higher than that for lactose (37.2 s -1 mM -1 ), which clearly demonstrated that the catalytic efficiency of Gal308 for ONPG is much higher than that for lactose.