Home/GT Families/GT29/St6galnac1
St6galnac1
Mus musculus · Alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase 1 (EC 2.4.3.3)
GT29Non-model organism · annotation 4–5Fold GT-AInverting
External resources
Identification and annotation
| CAZy family | GT29 · CAZy entry |
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| Gene symbol | St6galnac1 |
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| Synonyms / alternate names | - Siat7a
- GalNAc alpha-2,6-sialyltransferase I
- ST6GalNAc I
- Sialyltransferase 7A
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| UniProt accession | Q9QZ39 |
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| NCBI Gene ID | 20445 |
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| Source species | Mus musculus |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 5 |
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Function and localisation
| Enzyme function | Alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase 1 (EC 2.4.3.3) |
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| Subcellular location | Golgi apparatus membrane |
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Structure and mechanism
| Fold type | GT-A |
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| Catalytic mechanism | Inverting |
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| Cation dependence | No |
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| Oligomeric state | not curated |
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| PDB structures | not curated |
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Donor and acceptor specificity
| Sugar nucleotide donor | CMP-N-acetyl-beta-neuraminate |
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| Donor CCD code(s) | NCC |
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| Acceptor substrate(s) | - a beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl derivative
- a 3-O-[N-acetyl-alpha-D-galactosaminyl]-L-seryl-[protein]
- a 3-O-[N-acetyl-alpha-D-galactosaminyl]-L-threonyl-[protein]
- a 3-O-[beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl]-L-seryl-[protein]
- a 3-O-[beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl]-L-threonyl-[protein]
- a 3-O-[N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl]-L-threonyl-[protein]
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
526 aa
MTRYCRGLSQRQAFLLLTVLALLFILLFVVKDPRAKDSRCQFIWKNDASAQENQQKAEPQVPIMTLSPRVHNKETTSVSSKDLKKQEREAVQGEQAEGKEKRKLETIRPAPENPQSKAEPAAKTPVSEHLDKLPRAPGALSTRKTPMATGAVPAKKKVVQATKSPASSPHPTTRRRQRLKASEFKSEPRWDFEEEYSLDMSSLQTNCSASVKIKASKSPWLQNIFLPNITLFLDSGRFTQSEWNRLEHFAPPFGFMELNQSLVQKVVTRFPPVRQQQLLLASLPTGYSKCITCAVVGNGGILNDSRVGREIDSHDYVFRLSGAVIKGYEQDVGTRTSFYGFTAFSLTQSILILGRRGFQHVPLGKDVRYLHFLEGTRDYEWLEAMFLNQTLAKTHLSWFRHRPQEAFRNALDLDRYLLLHPDFLRYMKNRFLRSKTLDTAHWRIYRPTTGALLLLTALHLCDKVSAYGFITEGHQRFSDHYYDTSWKRLIFYINHDFRLERMVWKRLHDEGIIWLYQRPQSDKAKN
Catalytic domain sequence
281 aa
FLDSGRFTQSEWNRLEHFAPPFGFMELNQSLVQKVVTRFPPVRQQQLLLASLPTGYSKCITCAVVGNGGILNDSRVGREIDSHDYVFRLSGAVIKGYEQDVGTRTSFYGFTAFSLTQSILILGRRGFQHVPLGKDVRYLHFLEGTRDYEWLEAMFLNQTLAKTHLSWFRHRPQEAFRNALDLDRYLLLHPDFLRYMKNRFLRSKTLDTAHWRIYRPTTGALLLLTALHLCDKVSAYGFITEGHQRFSDHYYDTSWKRLIFYINHDFRLERMVWKRLHDEGI
