PD-1 Protein, Rat (HEK293, His)

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Based on 1 Customer Validation

Programmed cell death protein 1 (Pdcd1) is an immune-inhibitory receptor which delivers inhibitory signals upon binding to ligands CD274/PDCD1L1 and CD273/PDCD1LG2, playing a critical role in induction and maintenance of immune tolerance to self. Pdcd1plays a role in anti-tumor immunity and is involved in safeguarding against autoimmunity, but Pdcd1-mediated inhibitory pathway is also exploited by tumors to attenuate anti-tumor immunity. PD-1 Protein, Rat (HEK293, His) is the recombinant rat-derived PD-1 protein, expressed by HEK293 , with C-His labeled tag.

For research use only. We do not sell to patients.
  • Species: Rat
  • Source: HEK293
  • Storage:
    Stored at -20°C for 2 years from date of receipt. 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.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

Programmed cell death protein 1 (Pdcd1) is an immune-inhibitory receptor which delivers inhibitory signals upon binding to ligands CD274/PDCD1L1 and CD273/PDCD1LG2, playing a critical role in induction and maintenance of immune tolerance to self. Pdcd1plays a role in anti-tumor immunity and is involved in safeguarding against autoimmunity, but Pdcd1-mediated inhibitory pathway is also exploited by tumors to attenuate anti-tumor immunity. PD-1 Protein, Rat (HEK293, His) is the recombinant rat-derived PD-1 protein, expressed by HEK293 , with C-His labeled tag.

Background

Programmed cell death 1 (Pdcd1) is an immune-inhibitory receptor expressed in activated T cells which delivers inhibitory signals upon binding to ligands CD274/PDCD1L1 and CD273/PDCD1LG2. Pdcd1is involved in the regulation of T-cell functions, including those of effector CD8+ T cells, PDCD1 protein can also promote the differentiation of CD4+ T cells into T regulatory cells, playing a critical role in induction and maintenance of immune tolerance to self. Pdcd1is expressed in many types of tumors including melanomas, and has demonstrated to play a role in anti-tumor immunity. Moreover, Pdcd1is involved in safeguarding against autoimmunity, however, it can also contribute to the inhibition of effective anti-tumor and anti-microbial immunity as the Pdcd1-mediated inhibitory pathway is exploited by tumors to attenuate anti-tumor immunity and escape destruction by the immune system, thereby facilitating tumor survival[1][2].

Verified Bioactivity

Immobilized Recombinant Rat PD-L1 at 1 μg/mL (100 μL/well) can bind Recombinant Rat PD-1. The ED50 for this effect is 0.2756 μg/mL.

MCE Validation Data

  • Purity - SDS-PAGE

    Purity - SDS-PAGE

    ≥ 95%, as determined by reducing SDS-PAGE.

  • Bioactivity - ELISA

    Bioactivity - ELISA

    Immobilized Recombinant Rat PD-L1 at 1 μg/mL (100 μL/well) can bind Recombinant Rat PD-1. The ED50 for this effect is 0.2756 μg/mL.

Technical Parameters

  • Species Rat
  • Source HEK293
  • Tag C-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • PD-1 (L25-Q167)
      Accession # D3ZIN8/NP_001100397.1
    • His
    • C-term
  • Protein Length

    Partial

  • Synonyms

    PDCD1; Systemic Lupus Erythematosus Susceptibility 2; Prev. SLEB2; HPD-1; PD1; Programmed Cell Death 1 Protein; Programmed Cell Death Protein 1; CD279 Antigen; CD279; ADMIO4; HSLE1; AIMTBS; PD-1; HPD-L; Programmed Cell Death 1; Protein PD-1

  • AA Sequence

    LEVLNKPWRPLTFSPTWLTVSEGANATFTCSFSNWSEDLKLNWYRLSPSNQTEKQAAFCNGYSQPVRDARFQIVQLPNGHDFHMNILDARRNDSGIYLCGAISLPPKAQIKESPGAELVVTERILETPTRYPRPSPKPEGQFQ

  • Molecular Weight

    Approximately 30-44 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.

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 from date of receipt. 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.

Calculators

Reconstitution Calculator

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

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

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

Concentration (start) Concentration (start)
×
Volume (start) Volume (start)
=
Concentration (final) Concentration (final)
×
Volume (final) Volume (final)
The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

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

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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