EC Number   |
Substrates |
Organism  |
Products |
Reversibility |
|---|
   3.2.1.165 | 4-methylumbelliferyl 2-amino-2-deoxy-beta-D-glucopyranoside + H2O |
- |
Amycolatopsis orientalis |
4-methylumbelliferone + 2-amino-2-deoxy-beta-D-glucopyranose |
- |
? |
| 3.2.1.165 | beta-1,4-D-glucosamine tetrasaccharide |
tetrasaccharide of chitosan efficiently depolymerizes chitosan to its constituent p-glucosamine monosaccharide in cooperation with endo-chitosanase |
Amycolatopsis orientalis |
D-glucosamine + chitotriose |
- |
? |
| 3.2.1.165 | chitobiitol + H2O |
0.3% of the activity with chitopentaose |
Amycolatopsis orientalis |
? |
- |
? |
| 3.2.1.165 | chitobiose + H2O |
- |
Amycolatopsis orientalis |
D-glucosamine |
- |
? |
| 3.2.1.165 | chitobiose + H2O |
38% of the activity with chitopentaose |
Amycolatopsis orientalis |
D-glucosamine |
- |
? |
| 3.2.1.165 | chitohexaitol + H2O |
94% of the activity with chitopentaose |
Amycolatopsis orientalis |
? |
- |
? |
| 3.2.1.165 | chitohexaose + H2O |
92% of the activity with chitopentaose |
Amycolatopsis orientalis |
D-glucosamine |
- |
? |
| 3.2.1.165 | chitohexaose + H2O |
- |
Amycolatopsis orientalis |
D-glucosamine + ? |
- |
? |
| 3.2.1.165 | chitohexaose + H2O |
GlcNn: polymerization degree of n=2-6, chitosan oligosaccharides, 0.96 nM exochiosanase, 10 mM ammonium acetate, pH 5.2, substrate concentrations: 6.25, 12.5, 25, 37.5 microM, hexa-N-acetylchitohexaose as control substrate at 25 microM |
Amycolatopsis orientalis |
2-amino-2-deoxy-D-glucopyranose + chitopentaose |
- |
? |
| 3.2.1.165 | chitopentaitol + H2O |
99% of the activity with chitopentaose |
Amycolatopsis orientalis |
? |
- |
? |
