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Recombinant Human PDCD1, His-tagged

Cat.No.: PDCD1-217H
Product Overview: Recombinant Human PDCD1 /PD1 /CD279 MS Standard Protein, C13 and N15-labeled (PD1/PDCD1 (21-167), Heavy Labeled) Pro 21 - Gln 167 (Accession # NP_005009.2) was produced in human 293 cells (HEK293) with fully chemically defined cell culture medium to obtai
Description: Programmed cell death protein 1 (PD-1) is also known as CD279 and PDCD1, is a type I membrane protein and is a member of the extended CD28/CTLA-4 family of T cell regulators. PDCD1 is expressed on the surface of activated T cells, B cells, macrophages, myeloid cells and a subset of thymocytes. PD-1 has two ligands, PD-L1 and PD-L2, which are members of the B7 family. PD-L1 is expressed on almost all murine tumor cell lines, including PA1 myeloma, P815 mastocytoma, and B16 melanoma upon treatment with IFN-γ. PD-L2 expression is more restricted and is expressed mainly by DCs and a few tumor lines. PD1 inhibits the T-cell proliferation and production of related cytokines including IL-1, IL-4, IL-10 and IFN-γ by suppressing the activation and transduction of PI3K/AKT pathway. In addition, coligation of PD1 inhibits BCR-mediating signal by dephosphorylating key signal transducer. In vitro, treatment of anti-CD3 stimulated T cells with PD-L1-Ig results in reduced T cell proliferation and IFN-γ secretion. Monoclonal antibodies targeting PD-1 that boost the immune system are being developed for the treatment of cancer.
Source: HEK293
Species: Human
Tag: His
Form: Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally Mannitol or Trehalose are added as protectants before lyophilization.
Molecular Mass: PD1/PDCD1 (21-167), Heavy Labeled is fused with a polyhistidine tag at the C-terminus, and has a calculated MW of 17.3 kDa. The predicted N-terminus is Pro 21. DTT-reduced Protein migrates as 24-45 kDa in SDS-PAGE due to glycosylation.
Endotoxin: Less than 1.0 EU per μg of the PD1/PDCD1 (21-167), Heavy Labeled by the LAL method.
Purity: >90% as determined by SDS-PAGE.
Storage: Avoid repeated freeze-thaw cycles.No activity loss was observed after storage at:In lyophilized state for 1 year (4oC); After reconstitution under sterile conditions for 3 months (-70oC).
Reconstitution: See Certificate of Analysis for reconstitution instructions and specific concentrations.
Gene Name: PDCD1 programmed cell death 1 [ Homo sapiens ]
Official Symbol: PDCD1
Synonyms: PDCD1; programmed cell death 1; programmed cell death protein 1; CD279; PD1; protein PD-1; PD-1; SLEB2; hPD-1; hPD-l;
Gene ID: 5133
mRNA Refseq: NM_005018
Protein Refseq: NP_005009
MIM: 600244
UniProt ID: Q15116
Chromosome Location: 2q37.3
Pathway: Adaptive Immune System, organism-specific biosystem; Cell adhesion molecules (CAMs), organism-specific biosystem; Cell adhesion molecules (CAMs), conserved biosystem; Costimulation by the CD28 family, organism-specific biosystem; Immune System, organism-specific biosystem; PD-1 signaling, organism-specific biosystem; T cell receptor signaling pathway, organism-specific biosystem;
Function: protein binding; protein tyrosine phosphatase activity; signal transducer activity;

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