EC Number   |
Substrates |
Products  |
Reversibility |
|---|
   1.14.99.53 | colloidal chitin + ascorbate + O2 |
- |
[chitin oligosaccharide]-N-acetyl-D-glucosaminate + [chitin oligosaccharide]-N-acetyl-D-glucosamino-1,5-lactone + dehydroascorbate + H2O |
- |
? |
| 1.14.99.53 | chitin + acceptor + O2 |
- |
[chitin oligosaccharide]-N-acetyl-D-glucosaminate + [chitin oligosaccharide]-N-acetyl-D-glucosamino-1,5-lactone |
the products are a series of chitin oligosaccharides in aldonic acid or lactone form with varying degree of polymerization: DPox4 > DPox5 > DPox6 > DPox7 > DPox8. Oligosaccharides with even-numbered chain lengths are predominant. |
? |
| 1.14.99.53 | [(1->4)-N-acetyl-beta-D-glucosaminyl]n+m + reduced acceptor + O2 |
- |
[(1->4)-N-acetyl-beta-D-glucosaminyl]m-1-(1->4)-N-acetyl-2-deoxy-2-amino-D-glucono-1,5-lactone + [(1->4)-N-acetyl-beta-D-glucosaminyl]n + acceptor + H2O |
- |
? |
| 1.14.99.53 | [(1->4)-N-acetyl-beta-D-glucosaminyl]6 + ascorbate + O2 |
- |
[(1->4)-N-acetyl-beta-D-glucosaminyl]3-(1->4)-N-acetyl-2-deoxy-2-amino-D-glucono-1,5-lactone + [(1->4)-N-acetyl-beta-D-glucosaminyl]2 + dehydroascorbate + H2O |
- |
? |
| 1.14.99.53 | alpha-chitin + ascorbate + O2 |
- |
oxidized oligosaccharides + dehydroascorbate + H2O |
- |
? |
| 1.14.99.53 | beta-chitin + ascorbate + O2 |
- |
oxidized oligosaccharides + dehydroascorbate + H2O |
- |
? |
| 1.14.99.53 | crystalline chitin + ascorbate + O2 |
- |
oxidized oligosaccharides + dehydroascorbate + H2O |
enzyme generates even-numbered oxidized oligosaccharides as the dominated products from crystalline chitin |
? |
| 1.14.99.53 | alpha-chitin + ascorbate + O2 |
- |
oxidized chitooligosaccharides + dehydroascorbate + H2O |
- |
? |
| 1.14.99.53 | colloidal chitin + ascorbate + O2 |
- |
oxidized chitin oligosaccharides + dehydroascorbate + H2O |
with colloidal chitin as the substrate, a ladder of oxidized oligosaccharides is observed |
? |
| 1.14.99.53 | alpha-chitin + acceptor + O2 |
- |
oligosaccharide aldonic acids + reduced acceptor + H2O |
- |
? |
