Application | Comment | Organism |
---|---|---|
additional information | Cellulomonas flavigena CDBB-531 secrets a bifunctional cellulase/xylanase | Cellulomonas flavigena |
Cloned (Comment) | Organism |
---|---|
Escherichia coli DH5alpha as transforming host, Escherichia coli XLI-Blue MRA (P2), cloning vector pBluescript SKII, 37°C, Luria-Bertoni broth | Cellulomonas flavigena |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
phosphate buffer | has a negative effect on the xylanase activity, as it reduces the activity around to 60% | Cellulomonas flavigena |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | KM for substrate Remazol brilliant blue-carboxymethylcellulose: 0.16 mg/ml, KM for substrate xylose: 0.72 mg/ml | Cellulomonas flavigena |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
49000 | - |
SDS-PAGE | Cellulomonas flavigena |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | Cellulomonas flavigena | or beta-1,4-glycosidic linkages in major plant structural polysaccharides | ? | - |
? | |
additional information | Cellulomonas flavigena CDBB-531 | or beta-1,4-glycosidic linkages in major plant structural polysaccharides | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Cellulomonas flavigena | A1XM14 | - |
- |
Cellulomonas flavigena | A1XM14 | fragment of 387 bp, part of the gene cxo; CDBB-531 | - |
Cellulomonas flavigena CDBB-531 | A1XM14 | - |
- |
Cellulomonas flavigena CDBB-531 | A1XM14 | fragment of 387 bp, part of the gene cxo; CDBB-531 | - |
Purification (Comment) | Organism |
---|---|
by gel filtration to apparent homogeneity, 39fold with 11% yield | Cellulomonas flavigena |
centrifuged supernatant concentrated with membrane filter, applied to Bio-Gel P100 gel filtration column, cellulolytic fractions pooled, lyophilized, dissolved, loaded onto hydroxylapatite column, last steps repeated, 4°C, purity monitored by SDS-PAGE and isoelectric focusing | Cellulomonas flavigena |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
birchwood xylan + H2O | - |
Cellulomonas flavigena | D-xylose + L-arabinose + xylobiose + ? | - |
? | |
birchwood xylan + H2O | - |
Cellulomonas flavigena CDBB-531 | D-xylose + L-arabinose + xylobiose + ? | - |
? | |
additional information | or beta-1,4-glycosidic linkages in major plant structural polysaccharides | Cellulomonas flavigena | ? | - |
? | |
additional information | or beta-1,4-glycosidic linkages in major plant structural polysaccharides | Cellulomonas flavigena CDBB-531 | ? | - |
? | |
remazol brilliant blue xylan + H2O | - |
Cellulomonas flavigena | ? | - |
? | |
remazol brilliant blue xylan + H2O | - |
Cellulomonas flavigena CDBB-531 | ? | - |
? | |
Remazol brilliant blue-carboxymethylcellulose + H2O | - |
Cellulomonas flavigena | D-glucose + cellobiose + cellotriose + cellotetraose + high-molecular-mass oligosaccharides | cellulose activity | ? | |
Remazol brilliant blue-carboxymethylcellulose + H2O | - |
Cellulomonas flavigena CDBB-531 | D-glucose + cellobiose + cellotriose + cellotetraose + high-molecular-mass oligosaccharides | cellulose activity | ? | |
xylan + H2O | xylan from birchwood | Cellulomonas flavigena | D-xylose + xylobiose + high-molecular-mass oligoxyloside | xylanase activity | ? | |
xylan + H2O | xylan from birchwood | Cellulomonas flavigena CDBB-531 | D-xylose + xylobiose + high-molecular-mass oligoxyloside | xylanase activity | ? |
Subunits | Comment | Organism |
---|---|---|
? | x * 49000, SDS-PAGE | Cellulomonas flavigena |
monomer | 1 * 49000, SDS-PAGE | Cellulomonas flavigena |
Synonyms | Comment | Organism |
---|---|---|
beta-1,4-endoxylanase | - |
Cellulomonas flavigena |
bifunctional cellulase/xylanase | - |
Cellulomonas flavigena |
endoxylanase | - |
Cellulomonas flavigena |
xylanase | - |
Cellulomonas flavigena |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
- |
Cellulomonas flavigena |
50 | - |
xylanase activity | Cellulomonas flavigena |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | 70 | - |
Cellulomonas flavigena |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
highest xylanase activity in citrate-phosphate buffer, 10% less activity than in Tris-HCl | Cellulomonas flavigena |
9 | - |
highest activity at pH 9 in Tris-HCl buffer, whereas in citrate-phosphate buffer at pH 7 the best activity is 90% of that observed in Tris-HCl | Cellulomonas flavigena |
9 | - |
highest xylanase activity in Tris-HCl buffer | Cellulomonas flavigena |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5 | 10 | pH 5-7: sodium citrate-phosphate buffer, pH 5-8: phosphate buffer, pH 7-10: Tris-HCl buffer | Cellulomonas flavigena |
Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|
Cellulomonas flavigena | isoelectric focusing | - |
4.3 |
Cellulomonas flavigena | isoelectric focusing in 5% polyacrylamide gel, pH 3.5-10 Ampholine, 200 V, 50 min, bands visualized with Coomassie brilliant blue G250 or silver staining, standard proteins of pI 3.5-9.3 | - |
4.3 |