PD-L1 Protein, Canine, Recombinant (Fc Tag)

Cat: 70110-D02H
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PD-L1 Protein, Canine, Recombinant (Fc Tag) Product Information
> (17.0+77.6) % as determined by SDS-PAGE.
< 1.0 EU per μg protein as determined by the LAL method.
1.Measured by its binding ability in a functional ELISA.
2.Immobilized human PD1-His(Cat:10377-H08H) at 10μg/mL (100μL/well) can bind canine CD274-Fc(Cat:70110-D02H), the EC50 of canine PD-L1-Fc is 0.1-0.5μg/mL.
Protein Construction
A DNA sequence encoding the canine CD274 (XP_541302.4) (Met1-Arg236) was expressed with the Fc region of human IgG1 at the C-terminus.
Expressed Host
HEK293 Cells
Predicted N Terminal
Phe 19
Molecule Mass
The recombinant canine CD274 consists 456 amino acids and predicts a molecular mass of 51.5 kDa.
Lyophilized from sterile PBS, pH 7.4.
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Stability & Storage
Samples are stable for up to twelve months from date of receipt at -70℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
PD-L1 Protein, Canine, Recombinant (Fc Tag) in SDS-PAGE
Canine PD-L1/B7-H1/CD274 Protein 12301
PD-L1 Background Information

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.

Immune Checkpoint
Immune Checkpoint Blockade: Blocking Antibodies   Immune Checkpoint Blockade: PD-L1 / B7-H1 / CD274 Blocking Antibodies
Immune Checkpoint Detection: Antibodies   Immune Checkpoint Detection: ELISA Antibodies   Immune Checkpoint Detection: IHC Antibodies   Immune Checkpoint Detection: ICC Antibodies   Immune Checkpoint Detection: FCM Antibodies   Immune Checkpoint Detection: WB Antibodies
Immune Checkpoint Proteins   PD-L1 / B7-H1 / CD274 Immune Checkpoint Proteins
Immune Checkpoint Targets   Co-inhibitory Immune Checkpoint Targets

Immunotherapy   Cancer Immunotherapy   Targeted Therapy

Full Name
CD274 molecule
  • Iwai Y, et al. (2002) Involvement of PD-L1 on tumor cells in the escape from host immune system and tumor immunotherapy by PD-L1 blockade. Proc Natl Acad Sci U S A. 99(19): 12293-7.
  • Ghebeh H, et al. (2006) The B7-H1 (PD-L1) T lymphocyte-inhibitory molecule is expressed in breast cancer patients with infiltrating ductal carcinoma: correlation with important high-risk prognostic factors. Neoplasia. 8(3): 190-8.
  • Salih HR, et al. (2006) The role of leukemia-derived B7-H1 (PD-L1) in tumor-T-cell interactions in humans. Exp Hematol. 34(7): 888-94.
  • Wilcox RA, et al. (2009) B7-H1 (PD-L1, CD274) suppresses host immunity in T-cell lymphoproliferative disorders. Blood. 114(10): 2149-58.
  • Ruggiero A, et al. (2009) Crystal structure of PD-L1, a ribosome inactivating protein from Phytolacca dioica L. leaves with the property to induce DNA cleavage. Biopolymers. 91(12): 1135-42.
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