PD-1 Protein, Human, Recombinant (Fc Tag)

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PD-1 Protein, Human, Recombinant (Fc Tag): Product Information

Purity
> 95 % as determined by SDS-PAGE.
Endotoxin
< 1.0 EU per μg protein as determined by the LAL method.
Activity
1.Measured by its binding ability in a functional ELISA.
2.Immobilized human B7-H1-His(Cat:10084-H08H) at 10μg/mL (100μL/well) can bind human PDCD1-Fc(Cat:10377-H02H),the EC50 of human PDCD1-Fc is 0.1-0.4μg/mL.
Protein Construction
A DNA sequence encoding the human PDCD1 (NP_005009.2) (Met1-Gln167) was expressed with the Fc region of human IgG1 at the C-terminus.
Accession#
Expressed Host
HEK293 Cells
Species
Human
Predicted N Terminal
Leu 25
Molecule Mass
The recombinant human PDCD1 consists of 381 amino acids and predicts a molecular mass of 42.7 kDa.
Formulation
Lyophilized from sterile PBS, pH 7.4.
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Please refer to the specific buffer information in the hard copy of CoA.
Shipping
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Stability & Storage
Samples are stable for up to twelve months from date of receipt at -70℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

PD-1 Protein, Human, Recombinant (Fc Tag): Images

PD-1 Protein, Human, Recombinant (Fc Tag): Alternative Names

CD279 Protein, Human; hPD-1 Protein, Human; hPD-l Protein, Human; hSLE1 Protein, Human; PD-1 Protein, Human; PD1 Protein, Human; SLEB2 Protein, Human

PD-1 Background Information

Programmed cell death 1, also known as PDCD1, is a type I transmembrane glycoprotein, and is an immunoreceptor belonging to the CD28/CTLA-4 family negatively regulates antigen receptor signaling by recruiting protein tyrosine phosphatase, SHP-2 upon interacting with either of two ligands, PD-L1 or PD-L2. PD1 inhibits the T-cell proliferation and production of related cytokines including IL-1, IL-4, IL-1 and IFN-γ by suppressing the activation and transduction of PI3K/AKT pathway. In addition, coligation of PD1 inhibits BCR-mediating signal by dephosphorylating key signal transducer. PD1 has been suggested to be involved in lymphocyte clonal selection and peripheral tolerance, and thus contributes to the prevention of autoimmune diseases. Furthermore, PD1 is shown to be a regulator of virus-specific CD8+ T cell survival in HIV infection. As a cell surface molecule, PDCD1 regulates the adaptive immune response. Engagement of PD-1 by its ligands PD-L1 or PD-L2 transduces a signal that inhibits T-cell proliferation, cytokine production, and cytolytic function.
Full Name
programmed cell death 1
References
  • James ES, et al. (2005) PDCD1: a tissue-specific susceptibility locus for inherited inflammatory disorders. Genes Immun. 6(5): 430-7.
  • Okazaki T, et al. (2007) PD-1 and PD-1 ligands: from discovery to clinical application. Int Immunol. 19(7): 813-24.
  • del Rio ML, et al. (2008) PD-1/PD-L1, PD-1/PD-L2, and other co-inhibitory signaling pathways in transplantation. Transpl Int. 21(11): 1015-28.
  • Riley JL.(2009) PD-1 signaling in primary T cells. Immunol Rev. 229(1): 114-25.
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