Activating Compound | Comment | Organism | Structure |
---|---|---|---|
2,4-dithiothreitol | stimulation, both xylanase I and xylanase II | Aspergillus giganteus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | strong, both xylanase I and xylanase II | Aspergillus giganteus | |
Hg2+ | strong, both xylanase I and xylanase II | Aspergillus giganteus | |
sodium dodecylsulfate | strong, both xylanase I and xylanase II | Aspergillus giganteus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
21000 | - |
x * 21000, xylanase I, x * 24000, xylanase II, SDS-PAGE | Aspergillus giganteus |
24000 | - |
x * 21000, xylanase I, x * 24000, xylanase II, SDS-PAGE | Aspergillus giganteus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus giganteus | - |
isoforms xylanase I, xylanase II, growth in xylan | - |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | xylanase I, about 56% carbohydtate content, xylanase II, about 62% carbohydrate | Aspergillus giganteus |
Purification (Comment) | Organism |
---|---|
isoforms xylanase I, xylanase II | Aspergillus giganteus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
xylan + H2O | oatspelt xylan is preferred substrate | Aspergillus giganteus | xylotriose + xylotetraose + larger xylooligosaccharides | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 21000, xylanase I, x * 24000, xylanase II, SDS-PAGE | Aspergillus giganteus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
both xylanase I and xylanase II | Aspergillus giganteus |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
xylanase I, half-life 22.5 min, xylanase II, half-life 17.5 min | Aspergillus giganteus |
60 | - |
xylanase I, half-life 1.5 min, xylanase II, half-life 1.5 min | Aspergillus giganteus |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
407 | - |
xylan | xylanase II, birchwood xylan, pH 6.0, 50°C | Aspergillus giganteus | |
468 | - |
xylan | xylanase II, oatspelt xylan, pH 6.0, 50°C | Aspergillus giganteus | |
1031 | - |
xylan | xylanase I, birchwood xylan, pH 6.0, 50°C | Aspergillus giganteus | |
1345 | - |
xylan | xylanase I, oatspelt xylan, pH 6.0, 50°C | Aspergillus giganteus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6 | 6.5 | xylanase I | Aspergillus giganteus |
6 | - |
xylanase II | Aspergillus giganteus |