CHST4 (Carbohydrate sulfotransferase 4) is a sulfotransferase which plays a vital role in L-selectin ligand formation in the vascular endothelial cells. It possesses GlcNAc-6-sulfotransferase activity. CHST4 transfers sulfate from 3′-phosphoadenosine 5′ phospho-sulfate to the 6-hydroxyl group of N-acetylglucosamine on glycoproteins.
The recruitment of lymphocytes to secondary lymphoid organs relies on interactions of circulating cells with high endothelial venules (HEV). HEV are exclusive to these organs under physiological conditions, but they can develop in chronically-inflamed tissues. The interaction of L-selectin on
Journal of leukocyte biology, 69(4), 565-574 (2001-04-20)
Sulfation is an essential component of the selectin ligands, potentially mediated by members of a new family of carbohydrate sulfotransferases. In this study, we assessed the contributions of CHST1, CHST2, CHST3, and CHST4 in producing functional L-selectin ligands. Human umbilical
The Journal of cell biology, 145(4), 899-910 (1999-05-20)
L-selectin, a lectin-like receptor, mediates rolling of lymphocytes on high endothelial venules (HEVs) in secondary lymphoid organs by interacting with HEV ligands. These ligands consist of a complex of sialomucins, candidates for which are glycosylation- dependent cell adhesion molecule 1
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