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  3. Immune Checkpoint Proteins CD Antigens
  4. Inhibitory Checkpoint Molecules T Cell CD Proteins Macrophage CD Proteins
  5. PD-1
  6. PD-1 Protein, Cynomolgus (147a.a, HEK293, His)

PD-1 Protein, Cynomolgus (147a.a, HEK293, His)

Cat. No.: HY-P70676
SDS COA Handling Instructions

PD-1 is a cell surface receptor on T and B cells that binds to PD-L1 and PD-L2. PD-1 is an immune checkpoint that protects autoimmunity by promoting apoptosis of antigen-specific T cells in lymph nodes (programmed cell death) and reducing apoptosis of regulatory T cells (anti-inflammatory, inhibitory T cells). The expression of PD-L1 on tumor cells inhibits anti-tumor activity through the binding of PD-1 to effector T cells. PD-1 Protein, Cynomolgus (147a.a, HEK293, His) is the recombinant cynomolgus-derived PD-1 protein, expressed by HEK293 , with C-6*His labeled tag.

For research use only. We do not sell to patients.

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Description

PD-1 is a cell surface receptor on T and B cells that binds to PD-L1 and PD-L2. PD-1 is an immune checkpoint that protects autoimmunity by promoting apoptosis of antigen-specific T cells in lymph nodes (programmed cell death) and reducing apoptosis of regulatory T cells (anti-inflammatory, inhibitory T cells). The expression of PD-L1 on tumor cells inhibits anti-tumor activity through the binding of PD-1 to effector T cells. PD-1 Protein, Cynomolgus (147a.a, HEK293, His) is the recombinant cynomolgus-derived PD-1 protein, expressed by HEK293 , with C-6*His labeled tag.
Background

PD-1 is a protein encoded by the PDCD1 gene in the human body. PD-1 is a cell surface receptor on T cells and B cells, which regulates the immune system's response to human cells by inhibiting the inflammatory activity of T cells, downregulating the immune system and promoting self-tolerance. PD-1 is an immune checkpoint that protects autoimmunity by promoting apoptosis of antigen-specific T cells in lymph nodes (programmed cell death) and reducing apoptosis of regulatory T cells (anti-inflammatory, inhibitory T cells). PD-1 can bind to two ligands, PD-L1 and PD-L2. The expression of PD-L1 on tumor cells inhibits anti-tumor activity through the binding of PD-1 to effector T cells. PD-1 knockout mice showed lupus-like glomerulonephritis and dilated cardiomyopathy in the C57BL/6 and BALB/c gene backgrounds, respectively. In the mouse thymus, the gene was induced to express in the thymus when anti-CD3 antibodies were injected and a large number of thymocytes underwent apoptosis. Mice bred in the BALB/c context lacking the gene developed dilated cardiomyopathy and died of congestive heart failure[1][2][3][4][5].
Biological Activity

Measured by its binding ability in a functional ELISA. When Recombinant Cynomolgus PD-L1 (HY-P71008) is present at 2 μg/mL can bind Recombinant Cynomolgus PD-1. The ED50 for this effect is 260.2 ng/mL.

Species

Cynomolgus
Source

HEK293
Tag

C-6*His
Accession

B0LAJ3 (P21-Q167)
Gene ID
Molecular Construction
N-term
PD-1 (P21-Q167)
Accession # B0LAJ3
6*His
C-term
Synonyms
Programmed cell death 1; PD-1; PD1
AA Sequence

PGWFLESPDRPWNAPTFSPALLLVTEGDNATFTCSFSNASESFVLNWYRMSPSNQTDKLAAFPEDRSQPGQDCRFRVTRLPNGRDFHMSVVRARRNDSGTYLCGAISLAPKAQIKESLRAELRVTERRAEVPTAHPSPSPRPAGQFQ

Molecular Weight

Approximately 28-50 kDa due to the glycosylation.
Purity

Greater than 95% as determined by reducing SDS-PAGE.
Appearance

Lyophilized powder.
Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Endotoxin Level

<1 EU/μg, determined by LAL method.
Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).
Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Shipping

Room temperature in continental US;may vary elsewhere.
Documentation
SDS (251 KB)

COA (221 KB)

Handling Instructions (2659 KB)

PD-1 Protein, Cynomolgus (147a.a, HEK293, His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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