PD-1 protein is an inhibitory receptor on T cells that maintains immune tolerance by binding to CD274/PDCD1L1 and CD273/PDCD1LG2. It blocks T cell activation by binding to CD3-TCR and recruiting PTPN11/SHP-2 to dephosphorylate key signaling molecules. PD-1 Protein, Human (HEK293, Fc) is the recombinant human-derived PD-1 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of PD-1 Protein, Human (HEK293, Fc) is 143 a.a., with molecular weight of 55-66 kDa.
PD-1 Protein, Human (HEK293, Fc)
目录号: GC26685纯度: >98%
PD-1蛋白是T细胞上的抑制性受体，通过与CD274/PDCD1L1和CD273/PDCD1LG2结合来维持免疫耐受。
| 规格 | 价格 | 库存 | 数量 | 操作 |
|---|---|---|---|---|
| 5ug | ¥378.00 | 现货 | 1 | |
| 10ug | ¥648.00 | 现货 | 1 | |
| 50ug | ¥1,800.00 | 现货 | 1 |
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文献被引
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Nature641, 529–536 (2025)
Nature628, 630–638 (2024)
Nature632, 686–694 (2024)
Nature618, 1017–1023 (2023)
Nature610, 366–372 (2022)
Cell187(9):2288-2304 (2024)
Cell183(7):1867-1883 (2020)
Science388(6745) (2025)
Science387(6739) (2025)
Science387(6734) (2025)
Cell Research35, 97–116 (2025)
Cell Research34, 683–706 (2024)
Cell Research33, 273–287 (2023)
Cell Research33, 546–561 (2023)
Cell Research33, 904–922 (2023)
Cell Research31, 1291–1307 (2021)
产品描述 Description
产品文档 Product Documents
Purity:>98%
Product Data
Purity
Greater than 95% as determined by reducing SDS-PAGE.
Source
HEK293
Physical Appearance
Solution
Shipping Condition
Shipping with dry ice.
Synonyms
CD279; hPD-1; PDCD1; Programmed cell death 1; SLEB2
Apparent Molecular Weight
55-66 kDa Da
Stability
Stored at -80°C for 1 year. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
Biological Activity
1.Immobilized PD-1 Protein, Human, Recombinant (ECD, hFc Tag) at 2 μg/mL (100 μL/well) can bind PD-L2 Protein, Human, Recombinant (ECD, His Tag), the EC<sub>50</sub> is 45-280ng/mL.
2.Immobilized Recombinant Human PD1 / PDCD1 / CD279 Protein (Fc Tag) at 2 μg/mL (100 μl/well) can bind Recombinant Human PD-L1 Protein (Fc & AVI Tag), Biotinylated , the EC<sub>50</sub> is 25-75 ng/mL.
3. Labeled biotin to PD-1 Protein, Human, Recombinant (Fc Tag) by a certain molar ratio; Using the Octet RED System, the affinity constant (Kd) of PD-1 Protein, Human, Recombinant (Fc Tag), Biotinylated bound to Atezolizumab was 0.3 nM.
Formulation
Supplied as a 0.2 μm filtered solution of PBS, pH 7.4.