EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
3.2.1.21 | 4-chloromercuribenzoic acid | 56.34% inhibitory effect at 1 mM | Rhynchophorus palmarum | |
3.2.1.21 | 5,5'-dithio-bis(2-nitrobenzoic acid) | 8.67% inhibitory effect at 1 mM | Rhynchophorus palmarum | |
3.2.1.21 | Cu2+ | 13.64% inhibitory effect at 1 mM | Rhynchophorus palmarum | |
3.2.1.21 | Fe3+ | 71.97% inhibitory effect at 1 mM | Rhynchophorus palmarum | |
3.2.1.21 | additional information | the enzyme is not affected by Ba2+, Mg2+, Mn2+, Sr2+, and Ca2+ | Rhynchophorus palmarum | |
3.2.1.21 | Zn2+ | 67.06% inhibitory effect at 1 mM | Rhynchophorus palmarum |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
3.2.1.21 | 58000 | - |
1 * 58000, SDS-PAGE | Rhynchophorus palmarum |
3.2.1.21 | 60000 | - |
gel filtration | Rhynchophorus palmarum |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.2.1.21 | Rhynchophorus palmarum | - |
- |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
3.2.1.21 | DEAE Sepharose column chromatography, ammonium sulfate precipitation, Sephacryl S-100 gel filtration, and phenyl-Sepharose column chromatography | Rhynchophorus palmarum |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
3.2.1.21 | digestive fluid | - |
Rhynchophorus palmarum | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
3.2.1.21 | 0.69 | - |
crude extract, at 37°C | Rhynchophorus palmarum |
3.2.1.21 | 25.1 | - |
after 36.38fold purification, at 37°C | Rhynchophorus palmarum |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.2.1.21 | 2-phenylethanol + cellobiose | beta-glucosidase is capable of catalyzing transglycosylation reactions | Rhynchophorus palmarum | ? | - |
? | |
3.2.1.21 | 4-nitrophenyl beta-D-galactoside + H2O | - |
Rhynchophorus palmarum | 4-nitrophenol + beta-D-galactose | - |
? | |
3.2.1.21 | 4-nitrophenyl beta-D-glucoside + H2O | - |
Rhynchophorus palmarum | 4-nitrophenol + beta-D-glucose | - |
? | |
3.2.1.21 | cellobiose + H2O | - |
Rhynchophorus palmarum | 2 beta-D-glucose | - |
? | |
3.2.1.21 | cellodextrin + H2O | - |
Rhynchophorus palmarum | ? | - |
? | |
3.2.1.21 | additional information | beta-glucosidase requires strictly beta-gluco configuration for activity, it cleaves glucose-glucose beta-(1-4) linkages better than beta-(1-2), and beta-(1-6) linkages | Rhynchophorus palmarum | ? | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
3.2.1.21 | monomer | 1 * 58000, SDS-PAGE | Rhynchophorus palmarum |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.2.1.21 | 55 | - |
- |
Rhynchophorus palmarum |
EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.2.1.21 | 37 | 55 | the purified beta-glucosidase is stable for 100 min at 37°C, but unstable at 55°C with half-life of 20 min, complete loss of activity occurs after 120 min at 55°C | Rhynchophorus palmarum |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
3.2.1.21 | 5 | - |
pH-optimum for hydrolysis reactions | Rhynchophorus palmarum |
3.2.1.21 | 6.6 | - |
pH-optimum for transglucosylation reactions | Rhynchophorus palmarum |
EC Number | pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|---|
3.2.1.21 | 5.6 | 7 | maximum transglucosylation pH range | Rhynchophorus palmarum |
EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|---|
3.2.1.21 | 5 | 6 | the enzyme is stable from pH 5.0-6.0 for 120 min at 37°C | Rhynchophorus palmarum |
EC Number | kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.21 | 134.9 | - |
cellobiose | in 100 mM acetate buffer, pH 5.0, at 37°C | Rhynchophorus palmarum | |
3.2.1.21 | 240.5 | - |
4-nitrophenyl-beta-D-glucoside | in 100 mM acetate buffer, pH 5.0, at 37°C | Rhynchophorus palmarum |