2.4.1.43	UDP-D-galacturonate + (1,4-alpha-D-galacturonosyl)n	-	Arabidopsis thaliana	UDP + (1,4-alpha-D-galacturonosyl)n+1	-	?	375342	
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	-	?	375342	
2.4.1.43	UDP-D-galacturonate + homogalacturonan	-	Arabidopsis thaliana	?	-	?	389949	
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	-	?	322795	
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	?	322795	
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	-	?	322795	
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	-	?	322795	
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	-	?	322795	
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	-	?	322795	
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	-	?	322795