ST6GAL1

ST6GAL1
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	4JS1, 4JS2
Identifiers
Aliases	ST6GAL1, SIAT1, ST6GalI, ST6N, ST6 beta-galactoside alpha-2,6-sialyltransferase 1
External IDs	OMIM: 109675 MGI: 108470 HomoloGene: 2281 GeneCards: ST6GAL1
Gene location (Human)
Chr.	Chromosome 3 (human)[1]
End	187,078,553 bp[1]
Gene location (Mouse)
Chr.	Chromosome 16 (mouse)[2]
End	23,360,350 bp[2]
Gene ontology
Molecular function	• transferase activity; • transferase activity, transferring glycosyl groups; • GO:0001948 protein binding; • sialyltransferase activity; • beta-galactoside alpha-2,6-sialyltransferase activity; • protein homodimerization activity;
Cellular component	• integral component of membrane; • Golgi apparatus; • membrane; • Golgi cisterna membrane; • extracellular region; • Golgi membrane;
Biological process	• sialylation; • protein glycosylation; • humoral immune response; • O-glycan processing; • oligosaccharide metabolic process; • N-acetylneuraminate metabolic process; • protein N-linked glycosylation via asparagine;
	Sources:Amigo / QuickGO
Orthologs
	6480
	20440
	ENSG00000073849
	ENSMUSG00000022885
	P15907
	Q64685
	NM_003032; NM_173216; NM_173217; NM_001353916
	NM_001252505; NM_001252506; NM_145933
	NP_003023; NP_775323; NP_775324; NP_001340845
	NP_001239434; NP_001239435; NP_666045
	Wikidata
View/Edit Human	View/Edit Mouse

Beta-galactoside alpha-2,6-sialyltransferase 1 is an enzyme that in humans is encoded by the ST6GAL1 gene.[5]

The protein encoded by this gene is a type II membrane protein that catalyzes the transfer of sialic acid from CMP-sialic acid to galactose-containing substrates. The encoded protein, which is normally found in the Golgi but which can be proteolytically processed to a soluble form, is involved in the generation of the cell-surface carbohydrate determinants and differentiation antigens HB-6, CDw75, and CD76. This protein is a member of glycosyltransferase family 29. Three transcript variants encoding two different isoforms have been found for this gene.[6]

Transcripts of ST6GAL1 are found in mouse high endothelial cells of mesenteric lymph node and Peyer's patches, and it could be involved in the B cell homing to Peyer's patches.[7]

References

GRCh38: Ensembl release 89: ENSG00000073849 - Ensembl, May 2017
GRCm38: Ensembl release 89: ENSMUSG00000022885 - Ensembl, May 2017
"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
Grundmann U, Nerlich C, Rein T, Zettlmeissl G (Apr 1990). "Complete cDNA sequence encoding human beta-galactoside alpha-2,6-sialyltransferase". Nucleic Acids Res. 18 (3): 667. doi:10.1093/nar/18.3.667. PMC 333489. PMID 2408023.
"Entrez Gene: ST6GAL1 ST6 beta-galactosamide alpha-2,6-sialyltranferase 1".
Lee; et al. (Oct 2014). "Transcriptional programs of lymphoid tissue capillary and high endothelium reveal control mechanisms for lymphocyte homing". Nature Immunology. 15 (10): 982–995. doi:10.1038/ni.2983. PMC 4222088. PMID 25173345.

Bast BJ, Zhou LJ, Freeman GJ, et al. (1992). "The HB-6, CDw75, and CD76 differentiation antigens are unique cell-surface carbohydrate determinants generated by the beta-galactoside alpha 2,6-sialyltransferase". J. Cell Biol. 116 (2): 423–35. doi:10.1083/jcb.116.2.423. PMC 2289289. PMID 1730763.
Stamenkovic I, Asheim HC, Deggerdal A, et al. (1990). "The B cell antigen CD75 is a cell surface sialytransferase". J. Exp. Med. 172 (2): 641–3. doi:10.1084/jem.172.2.641. PMC 2188328. PMID 2373995.
Lance P, Lau KM, Lau JT (1989). "Isolation and characterization of a partial cDNA for a human sialyltransferase". Biochem. Biophys. Res. Commun. 164 (1): 225–32. doi:10.1016/0006-291X(89)91706-3. PMID 2803295.
Rabouille C, Hui N, Hunte F, et al. (1995). "Mapping the distribution of Golgi enzymes involved in the construction of complex oligosaccharides". J. Cell Sci. 108. ( Pt 4): 1617–27. PMID 7615680.
Bruneau N, Lombardo D (1995). "Chaperone function of a Grp 94-related protein for folding and transport of the pancreatic bile salt-dependent lipase". J. Biol. Chem. 270 (22): 13524–33. doi:10.1074/jbc.270.22.13524. PMID 7768954.
Wang X, Vertino A, Eddy RL, et al. (1993). "Chromosome mapping and organization of the human beta-galactoside alpha 2,6-sialyltransferase gene. Differential and cell-type specific usage of upstream exon sequences in B-lymphoblastoid cells". J. Biol. Chem. 268 (6): 4355–61. PMID 7786324.
Hanasaki K, Varki A, Stamenkovic I, Bevilacqua MP (1994). "Cytokine-induced beta-galactoside alpha-2,6-sialyltransferase in human endothelial cells mediates alpha 2,6-sialylation of adhesion molecules and CD22 ligands". J. Biol. Chem. 269 (14): 10637–43. PMID 8144653.
Aasheim HC, Aas-Eng DA, Deggerdal A, et al. (1993). "Cell-specific expression of human beta-galactoside alpha 2,6-sialyltransferase transcripts differing in the 5' untranslated region". Eur. J. Biochem. 213 (1): 467–75. doi:10.1111/j.1432-1033.1993.tb17783.x. PMID 8477718.
Andersson B, Wentland MA, Ricafrente JY, et al. (1996). "A "double adaptor" method for improved shotgun library construction". Anal. Biochem. 236 (1): 107–13. doi:10.1006/abio.1996.0138. PMID 8619474.
Sgroi D, Nocks A, Stamenkovic I (1996). "A single N-linked glycosylation site is implicated in the regulation of ligand recognition by the I-type lectins CD22 and CD33". J. Biol. Chem. 271 (31): 18803–9. doi:10.1074/jbc.271.31.18803. PMID 8702538.
Lo NW, Lau JT (1996). "Transcription of the beta-galactoside alpha 2,6-sialyltransferase gene in B lymphocytes is directed by a separate and distinct promoter". Glycobiology. 6 (3): 271–9. doi:10.1093/glycob/6.3.271. PMID 8724135.
Lo NW, Lau JT (1996). "Novel heterogeneity exists in the 5'-untranslated region of the beta-galactoside alpha 2,6-sialytransferase mRNAs in the human B-lymphoblastoid cell line, louckes". Biochem. Biophys. Res. Commun. 228 (2): 380–5. doi:10.1006/bbrc.1996.1670. PMID 8920923.
Tsuji S, Datta AK, Paulson JC (1997). "Systematic nomenclature for sialyltransferases". Glycobiology. 6 (7): v–vii. doi:10.1093/glycob/6.7.647. PMID 8953271.
Ma J, Qian R, Rausa FM, Colley KJ (1997). "Two naturally occurring alpha2,6-sialyltransferase forms with a single amino acid change in the catalytic domain differ in their catalytic activity and proteolytic processing". J. Biol. Chem. 272 (1): 672–9. doi:10.1074/jbc.272.1.672. PMID 8995311.
Yu W, Andersson B, Worley KC, et al. (1997). "Large-scale concatenation cDNA sequencing". Genome Res. 7 (4): 353–8. doi:10.1101/gr.7.4.353. PMC 139146. PMID 9110174.
Lo NW, Lau JT (1999). "Transcription of the beta-galactoside alpha2,6-sialyltransferase gene (SIAT1) in B-lymphocytes: cell type-specific expression correlates with presence of the divergent 5'-untranslated sequence". Glycobiology. 9 (9): 907–14. doi:10.1093/glycob/9.9.907. PMID 10460832.
Laroy W, Ameloot P, Contreras R (2001). "Characterization of sialyltransferase mutants using surface plasmon resonance". Glycobiology. 11 (3): 175–82. doi:10.1093/glycob/11.3.175. PMID 11320056.
Qian R, Chen C, Colley KJ (2001). "Location and mechanism of alpha 2,6-sialyltransferase dimer formation. Role of cysteine residues in enzyme dimerization, localization, activity, and processing". J. Biol. Chem. 276 (31): 28641–9. doi:10.1074/jbc.M103664200. PMID 11356854.
Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
Szabo R, Skropeta D, et al. (2017). "Advancement of Sialyltransferase Inhibitors: Therapeutic Challenges and Opportunities". Med. Res. Rev. 37 (2): 210–270. doi:10.1002/med.21407. PMID 27678392. S2CID 26280291.

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[refGRCh38Ensembl-1] GRCh38: Ensembl release 89: ENSG00000073849 - Ensembl, May 2017

[refGRCm38Ensembl-2] GRCm38: Ensembl release 89: ENSMUSG00000022885 - Ensembl, May 2017

[3] "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[4] "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[pmid2408023-5] Grundmann U, Nerlich C, Rein T, Zettlmeissl G (Apr 1990). "Complete cDNA sequence encoding human beta-galactoside alpha-2,6-sialyltransferase". Nucleic Acids Res. 18 (3): 667. doi:10.1093/nar/18.3.667. PMC 333489. PMID 2408023.

[entrez-6] "Entrez Gene: ST6GAL1 ST6 beta-galactosamide alpha-2,6-sialyltranferase 1".

[7] Lee; et al. (Oct 2014). "Transcriptional programs of lymphoid tissue capillary and high endothelium reveal control mechanisms for lymphocyte homing". Nature Immunology. 15 (10): 982–995. doi:10.1038/ni.2983. PMC 4222088. PMID 25173345.

ST6GAL1

References

Further reading