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| Cat.No | ACP14258 | Target Name | CHST4 |
|---|---|---|---|
| Form | Lyophilized powder | Expression System | Custom Production. Please inquire and provide the desire expression system. |
| Protein Length | Partial | Purity | >85% (SDS-PAGE) |
| Storage Buffer | 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, Liquid form: default storage buffer is Tris/PBS-based buffer, pH 8.0. |
| Target Species | Human | Uniprot ID | Q8NCG5 |
|---|
Uniprot Id
Q8NCG5
Target Species
Human
Target Name
CHST4
Target Full Name
Carbohydrate sulfotransferase 4
Target Function
Sulfotransferase involved in SELL/L-selectin ligand biosynthesis pathway. Catalyzes the transfer of the sulfate group from 3'-phospho-5'-adenylyl sulfate (PAPS) onto the hydroxyl group at C-6 position of the non-reducing N-acetylglucosamine (GlcNAc) residue within O-linked mucin-type glycans. Contributes to generate sialyl 6-sulfo Lewis X determinant (also known as MECA-79 epitope) for SELL recognition, a prerequisite for continuous lymphocyte homing into peripheral lymph nodes and antigen immune surveillance. Transfers the sulfate group primarily on core 2 GlcNAcbeta1-6(Galbeta1-3)GalNAcalphaSer/Thr and extended core 1 GlcNAcbeta1-3Galbeta1-3GalNAcalphaSer/Thr based O-linked glycans on CD34 and GLYCAM1 peripheral node addressins (PNAds) expressed on the lumenal side of high endothelial venules (HEVs). The recognition of PNAds by SELL initiates a multistep process comprising tethering and rolling of blood lymphocytes on HEVs against the blood flow, followed by chemokine signaling, integrin-mediated lymphocyte adhesion onto endothelial cells and lymphocyte transendothelial migration. Modulates rolling velocity and differential T and B lymphocyte recruitment into peripheral lymph nodes, with a major role in B lymphocyte homing. Might be redundant in sulfation of MADCAM1 and lymphocyte trafficking to mesenteric lymph nodes. Can also sulfonate core 3 GlcNAcbeta1-3GalNAc-R based glycans as well as GlcNAcbeta1-3Galbeta1-Glc, GlcNAcbeta1-6ManOMe and GlcNAcbeta1-2Man oligosaccharides, which might be ectopically expressed during tumorigenesis
Target Subcellular Location
Golgi apparatus membrane; Single-pass type II membrane protein.
Target Protein Families
Sulfotransferase 1 family, Gal/GlcNAc/GalNAc subfamily
Target Tissue Specificity
Specifically expressed in HEV. Weakly expressed in spleen. Not expressed in other tissues. Expressed in colonic mucinous adenocarcinoma.
Target Synonyms
CHST4Carbohydrate sulfotransferase 4; EC 2.8.2.-; Galactose/N-acetylglucosamine/N-acetylglucosamine 6-O-sulfotransferase 3; GST-3; High endothelial cells N-acetylglucosamine 6-O-sulfotransferase; HEC-GlcNAc6ST; L-selectin ligand sulfotransferase; LSST; N-acetylglucosamine 6-O-sulfotransferase 2; GlcNAc6ST-2; Gn6st-2
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