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Recombinant Human SIGLEC3/CD33 Protein (His Tag)

£585.60 – £5,875.00 excluding VAT

SKU FAS-030869-P Category Tag

Myeloid cell surface antigen CD33 also known as Sialic acid binding Ig-like lectin 3, CD33 antigen or Siglec-3, is a member of the immunoglobulin superfamily and SIGLEC (sialic acid binding Ig-like lectin) family. This Single-pass type I membrane protein contains 1 Ig-like C2-type (immunoglobulin-like) domain and 1 Ig-like V-type (immunoglobulin-like) domain. CD33 /Siglec-3 is a putative adhesion molecule of myelomonocytic-derived cells that mediates sialic-acid dependent binding to cells. CD33 /Siglec-3 preferentially binds to alpha-2,6-linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. In the immune response, may act as an inhibitory receptor upon ligand induced tyrosine phosphorylation by recruiting cytoplasmic phosphatase(s) via their SH2 domain(s) that block signal transduction through dephosphorylation of signaling molecules. CD33/Siglec-3 induces apoptosis in acute myeloid leukemia (in vitro). CD33/Siglec-3 can function as a sialic acid-dependent cell adhesion molecule and that binding can be modulated by endogenous sialoglycoconjugates when CD33 is expressed in a plasma membrane.Immune Checkpoint   Immunotherapy   Cancer Immunotherapy   Targeted Therapy

Size

100µg, 1mg
Active Protein
Activity
Protein Construction

A DNA sequence encoding the human CD33 (AAH28152.1) (Met1-His259) was expressed with a C-terminal polyhistidine tag.
Sequence

Met 1-His259
Fusion Tag

C-His
Accession

AAH28152.1
Species

Human
Expressed Host

HEK293 Cells
Shipping

This product is provided as lyophilized powder which is shipped with ice packs.
Purity

> 90 % as determined by reducing SDS-PAGE.
Endotoxin

< 1.0 EU per µg as determined by the LAL method.
Stability and Storage

Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
Mol Mass

28.2 kDa
AP Mol Mass

40-46 kDa
Formulation

Lyophilized from sterile PBS, pH 7.4, 10% glycerol
Research Areas
Reconstitution

Please refer to the printed manual for detailed information.

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