Activating Compound | Comment | Organism | Structure |
---|---|---|---|
maltose | stimulates xylanase A | Cellulomonas fimi |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2-deoxyglucose | - |
Cellulomonas fimi | |
Ca2+ | inactivation of xylanase B and C, slight inactivation of xylanase A | Cellulomonas fimi | |
cellobiose | - |
Cellulomonas fimi | |
Cu2+ | inactivation of xylanase B and C, low inactivation of xylanase A | Cellulomonas fimi | |
D-glucose | - |
Cellulomonas fimi | |
Fe2+ | marked inactivation of xylanase A, B and C | Cellulomonas fimi | |
Hg2+ | HgCl2, xylanase A, B and C | Cellulomonas fimi | |
iodoacetate | xylanase A, B and C | Cellulomonas fimi | |
maltose | xylanase B | Cellulomonas fimi | |
NEM | xylanase A, B and C | Cellulomonas fimi | |
xylose | - |
Cellulomonas fimi |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | - |
Cellulomonas fimi |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
13200 | - |
xylanase A, gel filtration | Cellulomonas fimi |
22000 | - |
xylanase B, gel filtration | Cellulomonas fimi |
150000 | - |
xylanase C, gel filtration | Cellulomonas fimi |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
1,4-beta-D-xylan + H2O | Cellulomonas fimi | catabolite repression occurs when glucose, cellobiose, and other readily metabolizable substrates are added during growth on carboxymethylcellulose | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Cellulomonas fimi | - |
- |
- |
Purification (Comment) | Organism |
---|---|
xylanase A, B, and C | Cellulomonas fimi |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
2.38 | - |
xylanase B | Cellulomonas fimi |
2.43 | - |
xylanase A | Cellulomonas fimi |
31.3 | - |
xylanase C | Cellulomonas fimi |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
1,4-beta-D-xylan + H2O | catabolite repression occurs when glucose, cellobiose, and other readily metabolizable substrates are added during growth on carboxymethylcellulose | Cellulomonas fimi | ? | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
xylanase B and C | Cellulomonas fimi |
45 | - |
xylanase A | Cellulomonas fimi |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | - |
xylanase A | Cellulomonas fimi |
5.5 | 6.5 | xylanase C | Cellulomonas fimi |
6 | - |
xylanase B | Cellulomonas fimi |