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St6galnac5
Mus musculus · Alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase 5 (EC 2.4.99.-)
GT29Non-model organism · annotation 4–5Fold GT-AInverting
External resources
Identification and annotation
| CAZy family | GT29 · CAZy entry |
| Gene symbol | St6galnac5 |
| Synonyms / alternate names | - Siat7e
- GD1 alpha synthase
- GalNAc alpha-2,6-sialyltransferase V
- ST6GalNAc V
- Sialyltransferase 7E
|
| UniProt accession | Q9QYJ1 |
| NCBI Gene ID | 26938 |
| Source species | Mus musculus |
| Taxonomic domain | Eukaryota |
| UniProt annotation level | 5 |
Function and localisation
| Enzyme function | Alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase 5 (EC 2.4.99.-) |
| Subcellular location | Golgi apparatus membrane |
Structure and mechanism
| Fold type | GT-A |
| Catalytic mechanism | Inverting |
| Cation dependence | No |
| Oligomeric state | not curated |
| PDB structures | not curated |
Donor and acceptor specificity
| Sugar nucleotide donor | CMP-N-acetyl-beta-neuraminate |
| Donor CCD code(s) | NCC |
| Acceptor substrate(s) | - a ganglioside GM1b (d18:1(4E))
- N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acyl-sphing-4-enine
|
| Acceptor CCD / GlycoCT | not curated |
Protein sequences
Full protein sequence
336 aa
MKTLMRHGLAVCLVLTTMCTSLLLVYSSLGSQKERPPQQQQQQQQQQQQAATATGSTQLVESSPQPRRTAPAGPRQLEGYLGVADHKPLKMHCKDCALVTSSGHLLRSQQGPHIDQTECVIRMNDAPTRGYGLDVGNRTSLRVIAHSSIQRILRNRHDLLNVSQGTVFIFWGPSSYMRRDGKGQAYNNLQLLSQVLPRLKAFMITRHRMLQFDELFKQETGKDRKISNTWLSTGWFTMTIALELCDRIDVYGMVPPDFCRDPKHPSVPYHYYEPSGPDECTMYLSHERGRKGSHHRFITEKRVFKNWARTFNIHFFQPDWKPESPAVNHAEGKPVF
Catalytic domain sequence
244 aa
GYLGVADHKPLKMHCKDCALVTSSGHLLRSQQGPHIDQTECVIRMNDAPTRGYGLDVGNRTSLRVIAHSSIQRILRNRHDLLNVSQGTVFIFWGPSSYMRRDGKGQAYNNLQLLSQVLPRLKAFMITRHRMLQFDELFKQETGKDRKISNTWLSTGWFTMTIALELCDRIDVYGMVPPDFCRDPKHPSVPYHYYEPSGPDECTMYLSHERGRKGSHHRFITEKRVFKNWARTFNIHFFQPDWKP