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Your Position: Home > Immune Checkpoint Proteins > TIM-3 > Human TIM3 /HAVCR2 Protein

Human TIM-3 / HAVCR2 Protein

  • Synonym
    HAVCR2,TIM3,TIMD3,FLJ14428,KIM3
  • Source
    Human TIM-3, His Tag (TM3-H5229) is expressed from human 293 cells (HEK293). It contains AA Ser 22 - Arg 200 (Accession # Q8TDQ0).
    Predicted N-terminus: Ser 22
  • Molecular Characterization
    TIM-3(Ser 22 - Arg 200) Q8TDQ0

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 21.8 kDa. The protein migrates as 44-50 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    No activity loss is observed after storage at:

    1. 4-8°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Human TIM-3, His Tag (Cat. No. TM3-H5229) SDS-PAGE gel

Human TIM-3, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

Bioactivity
Human TIM-3, His TagHuman TIM-3, His Tag (Cat. No. TM3-H5229) ELISA bioactivity

Immobilized Human TIM-3, His Tag (Cat. No. TM3-H5229) at 0.2 μg/mL (100 μL/well) can bind Anti-TIM3 MAb, Human IgG4 with a linear range of 0.2-6 ng/mL (QC tested).

  • Background
    Hepatitis A virus cellular receptor 2 is also known as HAVCR2, FLJ14428,  KIM3, TIM3, TIMD3, is a member of the TIM family of immune regulating molecules with one Ig-like V-type domain and a Ser/Thr-rich mucin stalk. CD4-positive T helper lymphocytes can be divided into types 1 (Th1) and 2 (Th2) on the basis of their cytokine secretion patterns. Th1 cells and their associated cytokines are involved in cell-mediated immunity to intracellular pathogens and delayed-type hypersensitivity reactions, whereas Th2 cells are involved in the control of extracellular helminthic infections and the promotion of atopic and allergic diseases. The 2 types of cells also cross-regulate the functions of the other. HAVCR2 is a Th1-specific cell surface protein that regulates macrophage activation and enhances the severity of experimental autoimmune encephalomyelitis in mice. HAVCR2 regulates macrophage activation. Inhibits T-helper type 1 lymphocyte (Th1)-mediated auto- and alloimmune responses and promotes immunological tolerance. May be also involved in T-cell homing. Dysregulation of the HAVCR2-galectin-9 pathway could underlie chronic autoimmune disease states in human, such as multiple sclerosis.
  • References
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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