EC Number   |
Substrates |
Organism |
Products |
Reversibility |
|---|
   4.2.2.12 | more |
no substrate: p-nitrophenyl-beta-D-mannose, unsubstituted terminal beta-D-mannose residues of xanthan |
uncultured bacterium |
? |
- |
? |
| 4.2.2.12 | pyruvylated xanthan |
best substrate |
Bacillus sp. (in: Bacteria) |
pyruvylate mannose + oligosaccharides |
- |
? |
| 4.2.2.12 | pyruvylated xanthan |
best substrate |
Bacillus sp. (in: Bacteria) GL1 |
pyruvylate mannose + oligosaccharides |
- |
? |
| 4.2.2.12 | pyruvylated xanthan |
enzyme is specific on the pyruvated mannosyl residue in the intact xanthan molecule, but about 50% lyase activity remains when xanthan is partially depyruvated |
Microbacterium sp. |
pyruvylate mannose + xanthan oligosaccharides |
- |
? |
| 4.2.2.12 | pyruvylated xanthan |
enzyme is specific on the pyruvated mannosyl residue in the intact xanthan molecule, but about 50% lyase activity remains when xanthan is partially depyruvated |
Microbacterium sp. XT11 |
pyruvylate mannose + xanthan oligosaccharides |
- |
? |
| 4.2.2.12 | xanthan |
- |
Bacillus sp. (in: Bacteria) |
oligosaccharides |
- |
? |
| 4.2.2.12 | xanthan |
- |
Paenibacillus alginolyticus |
oligosaccharides |
- |
? |
| 4.2.2.12 | xanthan |
enzyme is active on polysaccharides with and without acetate and pyruvate, the optimal size of the substrate appears to be in the range of degree of polymerization (DP) 25-35, i.e. 5-7 repeat units of the polysaccharide, no activity against xanthan modified by reduction of the carbonyl groups or by addition of amine or hydroxylethyl groups |
Corynebacterium sp. |
oligosaccharides |
the combined action of lyase and endoglucanase yields a series of oligosaccharides, each with a side-chain terminating in an unsaturated uronic acid and containing the molar ratio of D-glucose to D-mannose 2:1 |
? |
| 4.2.2.12 | xanthan |
enzyme is active on polysaccharides with and without acetate and pyruvate, the optimal size of the substrate appears to be in the range of degree of polymerization (DP) 25-35, i.e. 5-7 repeat units of the polysaccharide, no activity against xanthan modified by reduction of the carbonyl groups or by addition of amine or hydroxylethyl groups |
Bacillus sp. (in: Bacteria) |
oligosaccharides |
the combined action of lyase and endoglucanase yields a series of oligosaccharides, each with a side-chain terminating in an unsaturated uronic acid and containing the molar ratio of D-glucose to D-mannose 2:1 |
? |
| 4.2.2.12 | xanthan |
- |
Paenibacillus alginolyticus XL-1 |
oligosaccharides |
- |
? |
