PD-1 Protein, Rabbit (HEK293, Fc)
The PD-1 protein is expressed on antigen-activated T cells and can induce and maintain immune tolerance to itself. PD-1 binds to CD274/PDCD1L1 and CD273/PDCD1LG2, transmits inhibitory signals, inhibits T cell activation and regulates immune responses. PD-1 Protein, Rabbit (HEK293, Fc) is the recombinant Rabbit-derived PD-1 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of PD-1 Protein, Rabbit (HEK293, Fc) is 143 a.a., with molecular weight of 55-66 kDa.
- Species: Rabbit
- Source: HEK293
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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.
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Biological Activity
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Technical Parameters
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Product Properties
- Documentation
- Help & FAQs
Biological Activity
Description
The PD-1 protein is expressed on antigen-activated T cells and can induce and maintain immune tolerance to itself. PD-1 binds to CD274/PDCD1L1 and CD273/PDCD1LG2, transmits inhibitory signals, inhibits T cell activation and regulates immune responses. PD-1 Protein, Rabbit (HEK293, Fc) is the recombinant Rabbit-derived PD-1 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of PD-1 Protein, Rabbit (HEK293, Fc) is 143 a.a., with molecular weight of 55-66 kDa.
Background
PD-1, an inhibitory receptor expressed on antigen-activated T-cells, plays a crucial role in the induction and maintenance of immune tolerance to self. Upon binding to ligands like CD274/PDCD1L1 and CD273/PDCD1LG2, PD-1 delivers inhibitory signals, suppressing T-cell activation and contributing to the regulation of immune responses. Following T-cell receptor engagement, PD-1 associates with CD3-TCR in the immunological synapse, directly inhibiting T-cell activation. The inhibitory effects involve the recruitment of PTPN11/SHP-2, which dephosphorylates key signaling molecules proximal to the TCR. Exploited by tumors, the PD-1-mediated inhibitory pathway serves to attenuate anti-tumor immunity and promote tumor survival. PD-1 exists as a monomer and interacts with CD274/PDCD1L1 and CD273/PDCD1LG2, while interaction with FBXO38 leads to ubiquitination and proteasomal degradation.
Technical Parameters
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Species Rabbit
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Source HEK293
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Tag C-hFc
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Accession
G1SUF0 (L25-Q167)
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Molecular Construction
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N-term
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PD-1 (L25-Q167)
Accession # G1SUF0 -
hFc
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C-term
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Protein Length
Partial
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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
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AA Sequence
LDAQDRPWSPLTFSPAQATVPEGANVTFTCSFSNISEHFVLNWYRLSPSNQRDKLAAFPEDRSRQPQDSRFRITRLPDGSSFHMSGIGVRRNDSGIYLCGAISLYPLMQIKESPQVELTVTERLLEPSTAQPSPSPRPPGQLQ
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Predicted Molecular Mass
42.6 kDa
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Molecular Weight
Approximately 55-66 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.
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Purity
≥ 95%, as determined by reducing SDS-PAGE.
Product Properties
Lyophilized powder.
<1 EU/μg, determined by LAL method.
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).
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.
Room temperature in continental US; may vary elsewhere.
Documentation
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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