Recombinant Human PD-1 His Tagged Protein, CF

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When recombinant human PD-1 (8986-PD) is immobilized at 1 µg/mL (100 µL/well), the concentration of recombinant human PD-L1 (B7-H1) Fc Chimera (156-B7) that produces 50% of the optimal binding response is ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

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Recombinant Human PD-1 His Tagged Protein, CF Summary

Details of Functionality
Measured by its binding ability in a functional ELISA. When Recombinant Human PD-1 is immobilized at 1 µg/mL (100 µL/well), the concentration of Recombinant Human B7-H1/PD-L1 Fc Chimera (Catalog # 156-B7) that produces 50% of the optimal binding response is approximately 0.3-1.8 μg/mL.
Source
Human embryonic kidney cell, HEK293-derived human PD-1 protein
Leu25-Thr168, with a C-terminal 6-His tag
Accession #
N-terminal Sequence
Leu25
Protein/Peptide Type
Recombinant Proteins
Gene
PDCD1
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
17 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
32-44 kDa, reducing conditions
Publications
Read Publications using
8986-PD in the following applications:

Packaging, Storage & Formulations

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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 400 μg/mL in PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human PD-1 His Tagged Protein, CF

  • CD279 antigen
  • CD279
  • hPD-1
  • PD1
  • PD-1
  • PD1hPD-l
  • PDCD1
  • programmed cell death 1
  • programmed cell death protein 1
  • Protein PD-1
  • SLEB2

Background

Programmed Death-1 receptor (PD-1), also known as CD279, is type I transmembrane protein belonging to the CD28 family of immune regulatory receptors (1). Other members of this family include CD28, CTLA-4, ICOS, and BTLA (2-5). Mature human PD-1 consists of a 148 amino acid (aa) extracellular region (ECD) with one immunoglobulin-like V-type domain, a 24 aa transmembrane domain, and a 95 aa cytoplasmic region. The human PD-1 ECD shares 65% aa sequence identity with the mouse PD-1 ECD. The cytoplasmic tail contains two tyrosine residues that form the immunoreceptor tyrosine-based inhibitory motif (ITIM) and immunoreceptor tyrosine-based switch motif (ITSM) that are important for mediating PD-1 signaling. PD-1 acts as a monomeric receptor and interacts in a 1:1 stoichiometric ratio with its ligands PD-L1 (B7-H1) and PD-L2 (B7-DC) (6, 7). PD‑1 is expressed on activated T cells, B cells, monocytes, and dendritic cells while PD-L1 expression is constitutive on the same cells and also on nonhematopoietic cells such as lung endothelial cells and hepatocytes (8, 9). Ligation of PD-L1 with PD-1 induces co-inhibitory signals on T cells promoting their apoptosis, anergy, and functional exhaustion (10). Thus, the PD-1: PD-L1 interaction is a key regulator of the threshold of immune response and peripheral immune tolerance (11). Finally, blockade of the PD-1: PD-L1 interaction by either antibodies or genetic manipulation accelerates tumor eradication and shows potential for improving cancer immunotherapy (12, 13, 14).
  1. Ishida, Y. et al. (1992) EMBO J. 11:3887.
  2. Sharpe, A.H. and G. J. Freeman (2002) Nat. Rev. Immunol. 2:116.
  3. Coyle, A. and J. Gutierrez-Ramos (2001) Nat. Immunol. 2:203.
  4. Nishimura, H. and T. Honjo (2001) Trends Immunol. 22:265.
  5. Watanabe, N et al. (2003) Nat. Immunol. 4:670.
  6. Zhang, X. et al. (2004) Immunity 20:337.
  7. Lázár-Molnár, E. et al. (2008) Proc. Natl. Acad. Sci. USA 105:10483.
  8. Nishimura, H et al. (1996) Int. Immunol. 8:773.
  9. Keir, M.E. et al. (2008) Annu. Rev. Immunol. 26:677.
  10. Butte, M.J. et al. (2007) Immunity 27:111.
  11. Okazaki, T. et al. (2013) Nat. Immunol. 14:1212.
  12. Iwai, Y. et al. (2002) Proc. Natl. Acad. Sci. USA 99: 12293.
  13. Nogrady, B. (2014) Nature 513:S10.
  14. Swaika, A. et al. (2015) Mol. Immunol. 67: 4

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Publications for PD-1 (8986-PD)(2)

We have publications tested in 1 confirmed species: Human.

We have publications tested in 2 applications: Bioassay, Surface Plasmon Resonance (SPR.


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Bioassay
(1)
Surface Plasmon Resonance (SPR
(1)
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(2)
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Bioinformatics

Gene Symbol PDCD1
Uniprot