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Your Position: Home > Fc Receptor Proteins > Fc gamma RIIIA/CD16a > Recombinant Human Fc gamma RIIIA / CD16a / FCGR3A Protein

Human Fc gamma RIIIA / CD16a (V176) Protein (SPR verified)

  • Synonym
    FCGR3A,CD16A,FCG3,FCGR3,IGFR3
  • Source
    Human CD16a (V176) (SPR verified) (CD8-H52H4) is expressed from human 293 cells (HEK293). It contains AA Gly 17 - Gln 208 (Accession # P08637-1).
    Predicted N-terminus: Gly 17
  • Molecular Characterization
    CD16a(Gly 17 - Gln 208) P08637-1

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

    The protein has a calculated MW of 23.7 kDa. The protein migrates as 40-50 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 reduced 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 was 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 CD16a (V176) (SPR verified) (Cat. No. CD8-H52H4) SDS-PAGE gel

Human CD16a (V176) (SPR verified) 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-SPR
Human_FcRn_Heterodimer_Protein_SPR

Immobilized Human CD16a (V176) (Cat. No. CD8-H52H4) on CM5 Chip via anti-His antibody, can bind  Herceptin with an affinity constant of 163 nM as determined in SPR assay (Biacore T200) (QC tested).

  • Citations
  • Background
    CD16 is a low affinity Fc receptor, and has been identified as Fc receptors FcγRIIIa (CD16a) and FcγRIIIb (CD16b). These receptors bind to the Fc portion of IgG antibodies. CD16 encoded by two different highly homologous genes in a cell type-specific manner.CD16 is found on the surface of natural killer cells, neutrophil polymorphonuclear leukocytes, monocytes and macrophages. CD16a antigen is also known as Low affinity immunoglobulin gamma Fc region receptor III-A, Fc-gamma RIII-alpha. CD16b is a low-affinity, GPI-linked receptor expressed by neutrophils and eosinophils, whereas CD16a is an intermediate affinity polypeptide-anchored transmembrane glycoprotein expressed  natural killer cells, macrophages, subpopulation of T-cells, immature thymocytes and placentaltrophoblasts.CD16a is involved in phagocytosis, secretion of enzymes and inflammatory mediators, antibody­dependent cytotoxicity and clearance of immune complexes. Aberrant expression or mutations of CD16a is implicated in susceptibility to recurrent viral infections, systemic lupus erythematosus, and alloimmune neonatal neutropenia.
  • References
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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