EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
2.4.1.241 | more |
a null-mutant of Arabidopsis, which lacks the DGDG synthase (DGD1) resulting in a 90% reduction in the amount of DGDG under normal growth conditions, accumulates digalactosyldiacylglycerol after phosphate deprivation up to 60% of the amount present in the wild-type. Extraplastidic biosynthesis of digalactosyldiacylglycerol induced by phosphate deprivation is a biochemical mechanism for plants to conserve phosphate |
Arabidopsis thaliana |
? |
- |
? |
2.4.1.241 | more |
DGD2 mRNA expression in leaves is very low but is strongly induced during growth under phosphate-limiting conditions |
Arabidopsis sp. |
? |
- |
? |
2.4.1.241 | more |
disruption of the two digalactosyldiacylglycerol synthase genes DGD1 and DGD2 in Arabidopsis reveals the existence of an additional enzyme of galactolipid synthesis |
Arabidopsis sp. |
? |
- |
? |
2.4.1.241 | UDP-alpha-D-galactose + 1,2-diacyl-3-O-(beta-D-galactosyl)-sn-glycerol |
- |
Arabidopsis thaliana |
UDP + 1,2-diacyl-3-O-[alpha-D-galactosyl-(1->6)-beta-D-galactosyl]-sn-glycerol |
- |
? |
2.4.1.241 | UDP-galactose + digalactosyldiacylglycerol |
- |
Arabidopsis sp. |
UDP + trigalactosyldiacylglycerol |
- |
? |
2.4.1.241 | UDP-galactose + monogalactosyldiacylglycerol |
- |
Arabidopsis sp. |
UDP + digalactosyldiacylglycerol |
- |
? |
2.4.1.241 | UDP-galactose + monogalactosyldiacylglycerol |
- |
Synechocystis sp. PCC 6803 |
UDP + digalactosyldiacylglycerol |
- |
? |
2.4.1.241 | UDP-galactose + monogalactosyldiacylglycerol |
- |
Vigna unguiculata |
UDP + digalactosyldiacylglycerol |
- |
? |
2.4.1.241 | UDP-galactose + monogalactosyldiacylglycerol |
- |
Xerophyta humilis |
UDP + digalactosyldiacylglycerol |
- |
? |
2.4.1.241 | UDP-galactose + monogalactosyldiacylglycerol |
DGD1 seems to act preferentially on monogalactosyldiacylglycerol molecular species with 18-carbon fatty acids in the two positions of monogalactosyldiacylglycerol in vivo |
Arabidopsis sp. |
UDP + digalactosyldiacylglycerol |
- |
? |