| Identification |
| HMDB Protein ID
| CDBP01839 |
| Secondary Accession Numbers
| Not Available |
| Name
| CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 1 |
| Description
| Not Available |
| Synonyms
|
- Alpha 2,3-ST 1
- Beta-galactoside alpha-2,3-sialyltransferase 1
- Gal-NAc6S
- Gal-beta-1,3-GalNAc-alpha-2,3-sialyltransferase
- SIAT4-A
- SIATFL
- ST3Gal I
- ST3GalA.1
- ST3GalI
- ST3O
- Sialyltransferase 4A
|
| Gene Name
| ST3GAL1 |
| Protein Type
| Enzyme |
| Biological Properties |
| General Function
| Involved in beta-galactoside alpha-2,3-sialyltransferas |
| Specific Function
| It may be responsible for the synthesis of the sequence NeuAc-alpha-2,3-Gal-beta-1,3-GalNAc- found on sugar chains O-linked to Thr or Ser and also as a terminal sequence on certain gangliosides. SIAT4A and SIAT4B sialylate the same acceptor substrates but exhibit different Km values.
|
| GO Classification
|
| Biological Process |
| keratan sulfate biosynthetic process |
| O-glycan processing |
| post-translational protein modification |
| protein phosphorylation |
| Cellular Component |
| Golgi cisterna membrane |
| integral to Golgi membrane |
| extracellular region |
| Golgi membrane |
| Component |
| cell part |
| membrane part |
| intrinsic to membrane |
| intrinsic to organelle membrane |
| intrinsic to golgi membrane |
| integral to golgi membrane |
| Function |
| transferase activity |
| transferase activity, transferring glycosyl groups |
| sialyltransferase activity |
| catalytic activity |
| Molecular Function |
| beta-galactoside (CMP) alpha-2,3-sialyltransferase activity |
| Process |
| metabolic process |
| macromolecule metabolic process |
| macromolecule modification |
| protein modification process |
| protein amino acid glycosylation |
|
| Cellular Location
|
- Secreted
- Single-pass type II membrane protein
- Golgi apparatus
- Golgi stack membrane
|
| Pathways
|
| Name | SMPDB/Pathwhiz | KEGG | | protein glycosylation | Not Available | Not Available | | Mucin type O-Glycan biosynthesis | Not Available |  | | Glycosaminoglycan biosynthesis - keratan sulfate | Not Available |  | | Glycosphingolipid biosynthesis - globo series | Not Available |  | | Glycosphingolipid biosynthesis - ganglio series | Not Available |  |
|
| Gene Properties |
| Chromosome Location
| 8 |
| Locus
| 8q24.22 |
| SNPs
| ST3GAL1 |
| Gene Sequence
|
>1023 bp
ATGGTGACCCTGCGGAAGAGGACCCTGAAAGTGCTCACCTTCCTCGTGCTCTTCATCTTC
CTCACCTCCTTCTTCCTGAACTACTCCCACACCATGGTGGCCACCACCTGGTTCCCCAAG
CAGATGGTCCTGGAGCTCTCCGAGAACCTGAAGAGACTGATCAAGCACAGGCCTTGCACC
TGCACCCACTGCATCGGGCAGCGCAAGCTCTCGGCCTGGTTCGATGAGAGGTTCAACCAG
ACCATGCAGCCGCTCGTGACCGCCCAGAACGCGCTCTTGGAGGACGACACCTACCGATGG
TGGCTGAGGCTCCAGCGGGAGAAGAAGCCCAATAACTTGAATGACACCATCAAGGAGCTG
TTCAGAGTGGTGCCTGGGAATGTGGACCCTATGCTGGAGAAGAGGTCGGTGGGCTGCCGG
CGCTGCGCTGTGGTGGGCAACTCGGGCAACCTGAGGGAGTCTTCTTATGGGCCTGAGATA
GACAGTCACGACTTTGTCCTCAGGATGAACAAGGCGCCCACGGCAGGGTTTGAAGCTGAT
GTTGGGACCAAGACCACCCACCATCTGGTGTACCCTGAGAGCTTCCGGGAGCTGGGAGAT
AATGTCAGCATGATCCTGGTGCCCTTCAAGACCATCGACTTGGAGTGGGTGGTGAGGGCC
ATCACCACGGGCACCATTTCCCACACCTACATCCCGGTTCCTGCAAAGATCAGAGTGAAA
CAGGATAAGATCCTGATCTACCACCCAGCCTTCATCAAGTATGTCTTTGACAACTGGCTG
CAAGGGCACGGGCGATACCCATCTACCGGCATCCTCTCAGTCATCTTCTCAATGCATGTC
TGCGATGAGGTGGACTTGTACGGCTTCGGGGCAGACAGCAAAGGGAACTGGCACCACTAC
TGGGAGAACAACCCATCCGCGGGGGCTTTTCGCAAGACGGGGGTGCACGATGCAGACTTT
GAGTCTAACGTGACGGCCACCTTGGCCTCCATCAATAAAATCCGGATCTTCAAGGGGAGA
TGA
|
| Protein Properties |
| Number of Residues
| 340 |
| Molecular Weight
| 39074.745 |
| Theoretical pI
| 9.081 |
| Pfam Domain Function
|
|
| Signals
|
Not Available
|
|
Transmembrane Regions
|
Not Available
|
| Protein Sequence
|
>CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 1
MVTLRKRTLKVLTFLVLFIFLTSFFLNYSHTMVATTWFPKQMVLELSENLKRLIKHRPCT
CTHCIGQRKLSAWFDERFNQTMQPLLTAQNALLEDDTYRWWLRLQREKKPNNLNDTIKEL
FRVVPGNVDPMLEKRSVGCRRCAVVGNSGNLRESSYGPEIDSHDFVLRMNKAPTAGFEAD
VGTKTTHHLVYPESFRELGDNVSMILVPFKTIDLEWVVSAITTGTISHTYIPVPAKIRVK
QDKILIYHPAFIKYVFDNWLQGHGRYPSTGILSVIFSMHVCDEVDLYGFGADSKGNWHHY
WENNPSAGAFRKTGVHDADFESNVTATLASINKIRIFKGR
|
| External Links |
| GenBank ID Protein
| 3169564 |
| UniProtKB/Swiss-Prot ID
| Q11201 |
| UniProtKB/Swiss-Prot Entry Name
| SIA4A_HUMAN |
| PDB IDs
|
Not Available |
| GenBank Gene ID
| AF059321 |
| GeneCard ID
| ST3GAL1 |
| GenAtlas ID
| Not Available |
| HGNC ID
| HGNC:10862 |
| References |
| General References
| Not Available |