EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
2.4.1.43 | UDP-D-galacturonate + (1,4-alpha-D-galacturonosyl)n |
- |
Arabidopsis thaliana |
UDP + (1,4-alpha-D-galacturonosyl)n+1 |
- |
? |
2.4.1.43 | UDP-D-galacturonate + (1,4-alpha-D-galacturonosyl)n |
involved in biosynthesis of pectin oligomers, overview |
Arabidopsis thaliana |
UDP + (1,4-alpha-D-galacturonosyl)n+1 |
- |
? |
2.4.1.43 | UDP-D-galacturonate + homogalacturonan |
- |
Arabidopsis thaliana |
? |
- |
? |
2.4.1.43 | UDP-D-galacturonic acid + (1,4-alpha-D-galacturonosyl)n |
- |
Vigna radiata var. radiata |
UDP + (1,4-alpha-D-galacturonosyl)n+1 |
- |
? |
2.4.1.43 | UDP-D-galacturonic acid + (1,4-alpha-D-galacturonosyl)n |
- |
Nicotiana tabacum |
UDP + (1,4-alpha-D-galacturonosyl)n+1 |
at least 34-89% alpha-1,4-linked homogalacturonan of approx. 105000 Da |
? |
2.4.1.43 | UDP-D-galacturonic acid + (1,4-alpha-D-galacturonosyl)n |
enzyme synthesizes 1-4-linked alpha-D-galacturonan |
Pisum sativum |
UDP + (1,4-alpha-D-galacturonosyl)n+1 |
- |
? |
2.4.1.43 | UDP-D-galacturonic acid + (1,4-alpha-D-galacturonosyl)n |
acceptors are homogalacturonans with degrees of polymerization greater than 10, enzyme adds a single alpha-1,4-linked galacturonic acid residue onto homogalacturonan |
Nicotiana tabacum |
UDP + (1,4-alpha-D-galacturonosyl)n+1 |
- |
? |
2.4.1.43 | UDP-D-galacturonic acid + (1,4-alpha-D-galacturonosyl)n |
acid-soluble polygalacturonic acid of 10000 Da is a better acceptor than acid-insoluble polygalacturonic acid of 70000 Da |
Vigna angularis |
UDP + (1,4-alpha-D-galacturonosyl)n+1 |
- |
? |
2.4.1.43 | UDP-D-galacturonic acid + (1,4-alpha-D-galacturonosyl)n |
homogalaturonan synthesis by the solubilized enzyme occurs via the addition of D-galacturonic acid to the non-reducing end |
Nicotiana tabacum |
UDP + (1,4-alpha-D-galacturonosyl)n+1 |
- |
? |
2.4.1.43 | UDP-D-galacturonic acid + (1,4-alpha-D-galacturonosyl)n |
required for the biosynthesis of the cell wall pectic polysaccharide homogalacturonan |
Pisum sativum |
UDP + (1,4-alpha-D-galacturonosyl)n+1 |
- |
? |