Home/GT Families/GT28/MGD1
MGD1
Arabidopsis thaliana · Monogalactosyldiacylglycerol synthase 1, chloroplastic (EC 2.4.1.46)
GT28Model organism · annotation ≥ 4Fold GT-BInverting2 PDB structure(s)
External resources
Identification and annotation
| CAZy family | GT28 · CAZy entry |
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| Gene symbol | MGD1 |
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| Synonyms / alternate names | - EMB2797
- MGDA
- MGDG synthase type A
- Protein EMBRYO DEFECTIVE 2797
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| UniProt accession | O81770 |
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| NCBI Gene ID | 829306 |
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| Source species | Arabidopsis thaliana |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 5 |
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Function and localisation
| Enzyme function | Monogalactosyldiacylglycerol synthase 1, chloroplastic (EC 2.4.1.46) |
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| Subcellular location | - Plastid
- chloroplast inner membrane
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Structure and mechanism
| Fold type | GT-B |
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| Catalytic mechanism | Inverting |
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| Cation dependence | No |
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| Oligomeric state | homodimer |
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| PDB structures | 4WYI, 4X1T |
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Donor and acceptor specificity
| Sugar nucleotide donor | UDP-alpha-D-galactose |
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| Donor CCD code(s) | GDU |
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| Acceptor substrate(s) | - a 1,2-diacyl-sn-glycerol
- 1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycerol
- 1-(9Z-octadecenoyl)-2-hexadecanoyl-sn-glycerol
- 1,2-di-(9Z-octadecenoyl)-sn-glycerol
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
533 aa
MQNPSTVTQESAAPVFDFFPRLRGLTSRNRSPCSNSDGYALSSSNALYFNGFRTLPSRRMGKTLASLSFNTKSSAGSSLRRFISDFNSFIRFHCDKVVPESFASVGGVGLSSDENGIRENGTGGVLGEEGLPLNGVEADRPKKVLILMSDTGGGHRASAEAIRAAFNQEFGDEYQVFITDLWTDHTPWPFNQLPRSYNFLVKHGTLWKMTYYGTSPRIVHQSNFAATSTFIAREIAQGLMKYQPDIIISVHPLMQHVPLRVLRSKGLLKKIVFTTVITDLSTCHPTWFHKLVTRCYCPSTEVAKRAQKAGLETSQIKVYGLPVRPSFVKPVRPKVELRRELGMDENLPAVLLMGGGEGMGPIEATARALADALYDKNLGEAVGQVLIICGRNKKLQSKLSSLDWKIPVQVKGFITKMEECMGACDCIITKAGPGTIAEAMIRGLPIILNGYIAGQEAGNVPYVVENGCGKFSKSPKEISKIVADWFGPASKELEIMSQNALRLAKPEAVFKIVHDMHELVRKKNSLPQLSCTA
Catalytic domain sequence
378 aa
KKVLILMSDTGGGHRASAEAIRAAFNQEFGDEYQVFITDLWTDHTPWPFNQLPRSYNFLVKHGTLWKMTYYGTSPRIVHQSNFAATSTFIAREIAQGLMKYQPDIIISVHPLMQHVPLRVLRSKGLLKKIVFTTVITDLSTCHPTWFHKLVTRCYCPSTEVAKRAQKAGLETSQIKVYGLPVRPSFVKPVRPKVELRRELGMDENLPAVLLMGGGEGMGPIEATARALADALYDKNLGEAVGQVLIICGRNKKLQSKLSSLDWKIPVQVKGFITKMEECMGACDCIITKAGPGTIAEAMIRGLPIILNGYIAGQEAGNVPYVVENGCGKFSKSPKEISKIVADWFGPASKELEIMSQNALRLAKPEAVFKIVHDMHEL
