Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ba2+ | 8% inhibition at 1 mM | Laetiporus sulphureus | |
Cu2+ | 14% inhibition at 1 mM | Laetiporus sulphureus | |
EDTA | 12% inhibition at 1 mM | Laetiporus sulphureus | |
Mg2+ | 8% inhibition at 1 mM | Laetiporus sulphureus | |
Mn2+ | 67% inhibition at 1 mM | Laetiporus sulphureus | |
additional information | no inhibition by Ca2+ and Fe2+ at 1 mM | Laetiporus sulphureus | |
Zn2+ | 8% inhibition at 1 mM | Laetiporus sulphureus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | kinetics | Laetiporus sulphureus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Co2+ | 9% activation at 1 mM | Laetiporus sulphureus | |
Ni2+ | 19% activation at 1 mM | Laetiporus sulphureus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
26000 | - |
2 * 26000, SDS-PAGE | Laetiporus sulphureus |
52000 | - |
gel filtration | Laetiporus sulphureus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
beta-1,3-1,4-glucan + H2O | Laetiporus sulphureus | from Hordeum vulgare | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Laetiporus sulphureus | - |
var. miniatus | - |
Purification (Comment) | Organism |
---|---|
native enzyme by 16fold ammonium sulfate fractionation, combined cation and anion exchange chromatography, and another anion exchange chromatography | Laetiporus sulphureus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
additional information | the optimum temperature for the fungal growth is 28°C, the fungus does not grow above 42°C | Laetiporus sulphureus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
29 | - |
purified native enzyme, substrate is Hordeum vulgare beta-1,3-1,4-glucan | Laetiporus sulphureus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
beta-1,3-1,4-glucan + H2O | from Hordeum vulgare | Laetiporus sulphureus | ? | - |
? | |
beta-1,3-1,4-glucan + H2O | from Hordeum vulgare, best substrate | Laetiporus sulphureus | ? | - |
? | |
carboxymethylcellulose + H2O | 18% of the activity with beta-1,3-1,4-glucan from Hordeum vulgare | Laetiporus sulphureus | ? | - |
? | |
cellulose + H2O | 7% of the activity with beta-1,3-1,4-glucan from Hordeum vulgare | Laetiporus sulphureus | ? | - |
? | |
lichenan + H2O | 85% of the activity with beta-1,3-1,4-glucan from Hordeum vulgare | Laetiporus sulphureus | ? | - |
? | |
additional information | also active with laminarin, poor activity with Avicel, rice straw, and xylan, no activity with 4-nitrophenyl-beta-D-hexoside derivatives, substrate specificity, overview | Laetiporus sulphureus | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 26000, SDS-PAGE | Laetiporus sulphureus |
Synonyms | Comment | Organism |
---|---|---|
beta-1,3-1,4-glucanase | - |
Laetiporus sulphureus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
75 | - |
- |
Laetiporus sulphureus |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | 90 | at temperatures of 60°C and 85°C, the enzyme activity is 85% and 80% of maximal activity, respectively | Laetiporus sulphureus |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
additional information | - |
thermal inactivation follow first-order kinetics, overview | Laetiporus sulphureus |
65 | - |
purified native enzyme, half-life is over 68 days | Laetiporus sulphureus |
70 | - |
purified native enzyme, half-life is 125 h | Laetiporus sulphureus |
75 | - |
purified native enzyme, half-life is 22 h | Laetiporus sulphureus |
80 | - |
purified native enzyme, half-life is 1 h | Laetiporus sulphureus |
85 | - |
purified native enzyme, half-life is about 5 min | Laetiporus sulphureus |
90 | - |
purified native enzyme, half-life is 80 s | Laetiporus sulphureus |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
5.3 | - |
carboxymethylcellulose | pH 4.0, 75°C, substrate from Hordeum vulgare | Laetiporus sulphureus | |
13.5 | - |
beta-1,3-1,4-glucan | pH 4.0, 75°C, substrate from Hordeum vulgare | Laetiporus sulphureus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4 | - |
- |
Laetiporus sulphureus |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
3 | 5.5 | 79% and 73% of the maximum activity, respectively, at pH 3.5 and pH 4.5 | Laetiporus sulphureus |