Detects human Carbohydrate Sulfotransferase 2/CHST2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, less than 1% cross-reactivity with recombinant human (rh) CHST1, rhCHST5, and recombinant mouse CHST7 is observed.
Polyclonal Goat IgG
Chinese hamster ovary cell line CHO-derived recombinant human CHST2 Tyr76-Leu530 Accession # Q9Y4C5
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Detection of Human Carbohydrate Sulfotransferase 2/CHST2 by Western Blot.
Western blot shows lysates of MOLT‑4 human acute lymphoblastic leukemia cell line and Jurkat human acute T cell leukemia cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti‑Human Carbohydrate Sulfotransferase 2/CHST2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5107) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for Carbohydrate Sulfotransferase 2/CHST2 at approximately 50- 52 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Carbohydrate Sulfotransferase 2/CHST2
The CHST family is comprised of 14 genes in both human and mouse. All members of this family are Golgi-localized type II membrane proteins. Only the luminal and enzymatic domain is expressed in each of our recombinant CHST proteins. These enzymes transfer sulfate (i.e., sulfonate) onto the 6-O or 4-O positions of GalNAc, Gal and GlcNAc residues on glycoproteins, proteoglycans and glycolipids (1). This sulfation often creates specific epitopes that can be recognized by extracellular matrix proteins, cell surface receptors and viruses (2). Human CHST2, also known as N-acetylglucosamine-6-O-sulfotransferase 1 (GlcNAc6ST-1) and Gal/GalNAc/GlcNAc 6-O-sulfotransferase (GST-2), was previously shown to act on non-reducing GlcNAc residues (3). The enzyme is known to be involved in biosynthesis of L-selectin ligand sialyl 6-sulfo Lewis X (4) and therefore plays a role in lymphocyte homing (5).
Hemmerich, S. and Rosen, S. (2000) Glycobiology 10:849.
Bowman, K. G. and Bertozzi, C. R. (1999) Chem. Biol. 5:447.
Sakaguchi, H. et al. (2000) Biochim. Biophys. Acta 1523:269.
Uchimura, K. et al. (1998) J. Biol. Chem. 273:22577.
Li, X. et al. (2001) J. Leukoc. Biol. 69:565.
Robbins, P.W. (1962) Methods in Enzymology, Vol. V, Academic Press, Inc., New York, p.964.
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