| 名称 | 4-Nitrophenyl α-D-galactopyranoside |
| 描述 | 4-Nitrophenyl α-D-galactopyranoside (PNP-alpha-D-Gal) (PNP-alpha-D-Gal) is an artificial substrate of 4-nitrophenyl (pNP) glycopyranoside for detecting α-galactosidase activity. The amount of released pNP is significantly increased when PNP-alpha-D-Gal is used as substrates. |
| 体外活性 | Using 4-nitrophenol (pNP)-glycopyranosides as pseudosubstrates, the amount of liberated pNP from the 4-Nitrophenyl α-D-galactopyranoside is significantly higher than that from the other pNP-glycopyranosides at pH 4.0 while no activity was detected at pH 7.0. The digestion assays using pNP glycopyranosides as artificial substrates exhibit that yielding liberated galactose residues from 4-Nitrophenyl α-D-galactopyranoside mainly at pH 4.0, i.e. the pH level where yield threshold is decreased at most. |
| 存储条件 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| 溶解度 | DMSO : 50 mg/mL (165.98 mM), Sonication is recommended. |
| 关键字 | α-galactosidase | yieldin | substrate | PNP-a-D-Gal | Inhibitor | inhibit | glycopyranoside | artificial | acidic-pH | 4-Nitrophenyl α-D-galactopyranoside | 4Nitrophenyl αDgalactopyranoside | 4-Nitrophenyl alpha-D-galactopyranoside | 4-Nitrophenyl a-D-galactopyranoside | 4-nitrophenyl | 4 Nitrophenyl α D galactopyranoside |
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