3-beta-D-Galactosyl-sn-glycerol
Galactosylglycerol is an intermediate in galactose and glycerolipid metabolism (KEGG: C05401). In galactose metabolism, galactosylglycerol is reversibly produced from D-galactose and glycerol by the enzyme alpha-galactosidase [EC:3.2.1.22]. It is also the first to last step in the synthesis of glycerol and is converted from 1,2-diacyl-3-beta-D-galactosyl-sn-glycerol. It is then converted to glycerol via the enzyme beta-galactosidase [EC:3.2.1.23].
| ID | EC Number | Name |
|---|---|---|
| KEGG:R01104 | 3.2.1.22 | galactosylglycerol galactohydrolase |
| KEGG:R03467 | 3.1.1.26 | 1,2-diacyl-3-beta-D-galactosyl-sn-glycerol acylhydrolase |
| KEGG:R03616 | 3.2.1.- | galactosylglycerol galactohydrolase |
| KEGG:R04471 | 3.1.1.26 | 1,2-diacyl-3-beta-D-galactosyl-sn-glycerol acylhydrolase |
| Rhea:RHEA:13190 | 3.1.1.26 | a 1,2-diacyl-3-O-(β-D-galactosyl)-sn-glycerol + 2 H2O => 3-β-D-galactosyl-sn-glycerol + 2 a fatty acid + 2 H+ |
| Rhea:RHEA:13191 | 3.1.1.26 | 3-β-D-galactosyl-sn-glycerol + 2 a fatty acid + 2 H+ => a 1,2-diacyl-3-O-(β-D-galactosyl)-sn-glycerol + 2 H2O |
| Rhea:RHEA:13192 | 3.1.1.26 | a 1,2-diacyl-3-O-(β-D-galactosyl)-sn-glycerol + 2 H2O <=> 3-β-D-galactosyl-sn-glycerol + 2 a fatty acid + 2 H+ |
| Rhea:RHEA:57089 | an acyl-3-O-(β-D-galactosyl)-sn-glycerol + H2O => 3-β-D-galactosyl-sn-glycerol + a fatty acid + H+ | |
| Rhea:RHEA:57090 | 3-β-D-galactosyl-sn-glycerol + a fatty acid + H+ => an acyl-3-O-(β-D-galactosyl)-sn-glycerol + H2O | |
| Rhea:RHEA:57091 | an acyl-3-O-(β-D-galactosyl)-sn-glycerol + H2O <=> 3-β-D-galactosyl-sn-glycerol + a fatty acid + H+ | |
| Rhea:RHEA:78096 | a 2-acyl-3-O-(β-D-galactosyl)-sn-glycerol + H2O => 3-β-D-galactosyl-sn-glycerol + a fatty acid + H+ | |
| Rhea:RHEA:78097 | 3-β-D-galactosyl-sn-glycerol + a fatty acid + H+ => a 2-acyl-3-O-(β-D-galactosyl)-sn-glycerol + H2O | |
| Rhea:RHEA:78098 | a 2-acyl-3-O-(β-D-galactosyl)-sn-glycerol + H2O <=> 3-β-D-galactosyl-sn-glycerol + a fatty acid + H+ | |
| Rhea:RHEA:78100 | a 1-acyl-3-O-(β-D-galactosyl)-sn-glycerol + H2O => 3-β-D-galactosyl-sn-glycerol + a fatty acid + H+ | |
| Rhea:RHEA:78101 | 3-β-D-galactosyl-sn-glycerol + a fatty acid + H+ => a 1-acyl-3-O-(β-D-galactosyl)-sn-glycerol + H2O | |
| Rhea:RHEA:78102 | a 1-acyl-3-O-(β-D-galactosyl)-sn-glycerol + H2O <=> 3-β-D-galactosyl-sn-glycerol + a fatty acid + H+ | |
| BioCyc:GALACTOLIPASE-RXN | 3.1.1.26 | D-Galactosyl-12-diacyl-glycerols + 2 WATER --> 2 Carboxylates + 3-B-D-GALACTOSYL-SN-GLYCEROL + 2 PROTON |