EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
2.4.1.280 | 4-nitrophenyl N,N'-diacetylchitobioside + phosphate |
reaction at 8.5% the rate of N,N'-diacetylchitobiose |
Vibrio furnissii |
N-acetyl-alpha-D-glucosamine 1-phosphate + 4-nitrophenyl N-acetyl-D-glucosaminide |
- |
r |
2.4.1.280 | more |
no substrates are N-acetylchitooligosaccharides |
Vibrio proteolyticus |
? |
- |
? |
2.4.1.280 | more |
no substrates are N-acetylchitooligosaccharides, cellobiose, trehalose, lactose, maltose or sucrose |
Vibrio furnissii |
? |
- |
? |
2.4.1.280 | N,N'-diacetylchitobiose + phosphate |
- |
Vibrio furnissii |
N-acetyl-D-glucosamine + N-acetyl-alpha-D-glucosamine 1-phosphate |
- |
r |
2.4.1.280 | N,N'-diacetylchitobiose + phosphate |
- |
Vibrio proteolyticus |
N-acetyl-D-glucosamine + N-acetyl-alpha-D-glucosamine 1-phosphate |
- |
r |
2.4.1.280 | N,N'-diacetylchitobiose + phosphate |
- |
Vibrio furnissii |
N-acetyl-D-glucosamine + N-acetyl-alpha-D-glucosamine 1-phosphate |
inversion of the anomeric configuration |
r |
2.4.1.280 | N,N'-diacetylchitobiose + phosphate |
- |
Vibrio proteolyticus |
N-acetyl-D-glucosamine + N-acetyl-alpha-D-glucosamine 1-phosphate |
inversion of the anomeric configuration |
r |
2.4.1.280 | N,N'-diacetylchitobiose + phosphate |
the enzymatic phosphorolysis of ChBP begins with the direct nucleophilic attack to the glycosidic bond with the aid of D492, which donates a proton to the glycosidic oxygen atom, and then proceeds through an oxocarbenium cation activated by ion-like transition state |
Vibrio proteolyticus |
N-acetyl-D-glucosamine + N-acetyl-alpha-D-glucosamine 1-phosphate |
- |
r |
2.4.1.280 | N-acetyl-alpha-D-glucosamine 1-phosphate + 4-methylumbelliferyl N-acetyl-beta-D-glucosaminide |
reverse phosphorolysis, reaction at 20% the rate of N-acetyl-D-glucosamine |
Vibrio proteolyticus |
4-methylumbelliferyl N,N'-diacetylchitobioside + phosphate |
- |
r |
2.4.1.280 | N-acetyl-alpha-D-glucosamine 1-phosphate + 4-nitrophenyl N-acetyl-beta-D-glucosaminide |
reverse phosphorolysis, reaction at 10% the rate of N-acetyl-D-glucosamine |
Vibrio proteolyticus |
4-nitrophenyl N,N'-diacetylchitobioside + phosphate |
- |
r |