Recombinant Human CD274 Protein

Cat.No.: CD274-593H
Product Overview: Recombinant Human CD274 Protein (NP_054862.1, Met1-Arg238) was expressed in HEK293 cells.
Description: Programmed death-1 ligand-1 (PD-L1, CD274, B7-H1) has been identified as the ligand for the immunoinhibitory receptor programmed death-1(PD1/PDCD1) and has been demonstrated to play a role in the regulation of immune responses and peripheral tolerance. PD-L1/B7-H1 is a member of the growing B7 family of immune molecules and this protein contains one V-like and one C-like Ig domain within the extracellular domain, and together with PD-L2, are two ligands for PD1 which belongs to the CD28/CTLA4 family expressed on activated lymphoid cells. By binding to PD1 on activated T-cells and B-cells, PD-L1 may inhibit ongoing T-cell responses by inducing apoptosis and arresting cell-cycle progression. Accordingly, it leads to growth of immunogenic tumor growth by increasing apoptosis of antigen specific T cells and may contribute to immune evasion by cancers. PD-L1 thus is regarded as promising therapeutic target for human autoimmune disease and malignant cancers.
Source: HEK293
Species: Human
Form: Lyophilized from sterile PBS, pH 7.4.
Molecular Mass: The recombinant human CD274 consists of 220 amino acids and predicts a molecular mass of 25.2 kDa.
Endotoxin: < 1.0 EU per μg protein as determined by the LAL method.
Purity: > 95 % as determined by SDS-PAGE.
Storage: Samples are stable for up to twelve months from date of receipt at -70 centigrade.
Store it under sterile conditions at -20 centigrade to -80 centigrade. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution: Reconstitute in ddH2O.
Gene Name: CD274 CD274 molecule [ Homo sapiens ]
Official Symbol: CD274
Synonyms: CD274; CD274 molecule; CD274 antigen , PDCD1LG1, programmed cell death 1 ligand 1; programmed cell death 1 ligand 1; B7 homolog 1; B7 H; B7 H1; B7H1; PD L1; PDL1; CD274 antigen; PDCD1 ligand 1; programmed death ligand 1; B7-H; PD-L1; PDCD1L1; PDCD1LG1; MGC142294; MGC142296;
Gene ID: 29126
mRNA Refseq: NM_014143
Protein Refseq: NP_054862
MIM: 605402
UniProt ID: Q9NZQ7

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