Cloned (Comment) | Organism |
---|---|
gene xynB, constitutive expression of wild-type enzyme and enzyme without signal sequence in Pichia pastoris strain X-33, the recombinant enzyme is secreted to the culture medium, nmethod optimization, overview | Aspergillus sulphureus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | - |
Aspergillus sulphureus | |
Mn2+ | - |
Aspergillus sulphureus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | Michaelis-Menten kinetics | Aspergillus sulphureus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
additional information | no or poor inhibition by EDTA, Na+, K+, Ca2+, Mg2+, and Fe2+, overview | Aspergillus sulphureus | |
Zn2+ | activates | Aspergillus sulphureus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
beta-1,4-xylan + H2O | Aspergillus sulphureus | - |
? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus sulphureus | Q3S401 | gene xynB | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
beta-1,4-xylan + H2O | - |
Aspergillus sulphureus | ? | - |
? | |
beta-1,4-xylan + H2O | oat spelt xylan, degradation into xylo-oligosaccharides of various lengths | Aspergillus sulphureus | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
endo-beta-1,4-xylanase | - |
Aspergillus sulphureus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
recombinant enzyme | Aspergillus sulphureus |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
20 | 70 | 50% of maximal activity at 20°C, 20% at 70°C | Aspergillus sulphureus |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
purified recombinant enzyme, half-life is 30 min | Aspergillus sulphureus |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
6551 | - |
beta-1,4-xylan | recombinant wild-type enzyme, pH 5.0, 50°C, oat spelt xylan | Aspergillus sulphureus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | - |
recombinant enzyme | Aspergillus sulphureus |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
2.4 | 7.4 | recombinant enzyme, rapid decrease in activity above pH 6.4, profile, overview | Aspergillus sulphureus |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
2.4 | - |
purified recombinant enzyme, over 90% activity remaining after 2 h | Aspergillus sulphureus |