EC Number   |
Substrates |
Organism |
Products |
Reversibility |
|---|
   4.2.2.6 | 1-methyl-di-D-galacturonate |
alpha-(1-4)-linked |
Dickeya chrysanthemi |
? |
- |
? |
| 4.2.2.6 | 1-methyl-tri-D-galacturonate |
alpha-(1-4)-linked |
Dickeya chrysanthemi |
? |
- |
? |
| 4.2.2.6 | 3-methyl-tri-D-galacturonate |
best substrate, alpha-(1-4)-linked |
Dickeya chrysanthemi |
? |
- |
? |
| 4.2.2.6 | 4-(4-deoxy-alpha-D-gluc-4-enuronosyl)-D-galacturonate |
- |
Yersinia enterocolitica |
2 5-dehydro-4-deoxy-D-glucuronate |
- |
? |
| 4.2.2.6 | 4-(4-deoxy-alpha-D-gluc-4-enuronosyl)-D-galacturonate |
- |
Yersinia enterocolitica 8081 |
2 5-dehydro-4-deoxy-D-glucuronate |
- |
? |
| 4.2.2.6 | 4-O-(4-deoxy-alpha-L-threo-hex-4-enopyranuronosyl)-beta-D-galactopyranuronic acid |
i.e. O-(4-deoxy-beta-L-5-threo-hexopyranos-4-enyluronic acid)-(1,4)-D-galacturonic acid |
Erwinia aroidea |
4-deoxy-alpha-L-threo-hex-4-enopyranuronic acid + D-galacturonic acid |
- |
? |
| 4.2.2.6 | acid-soluble pectic acid |
- |
Erwinia aroidea |
4-deoxy-5-keto-D-fructuronic acid + ? |
the first product is 4,5-unsaturated galacturonic acid and this compound is converted into 4-deoxy-5-keto-D-fructuronic acid by an unknown mechanism |
? |
| 4.2.2.6 | acid-soluble pectic acid |
very slow degradation |
Pseudomonas sp. |
4-deoxy-5-keto-D-glucuronic acid |
- |
? |
| 4.2.2.6 | DELTA4,5-unsaturated di-D-galacturonate |
alpha-(1-4)-linked |
Dickeya chrysanthemi |
? |
- |
? |
| 4.2.2.6 | DELTA4,5-unsaturated tri-D-galacturonate |
alpha-(1-4)-linked |
Dickeya chrysanthemi |
? |
- |
? |
