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Product Details
Synonym
PD-L1, CD274, B7-H1, PDCD1L1, PDCD1LG1
Source
Human PD-L1, His Tag (PD1-H5229) is expressed from human 293 cells (HEK293). It contains AA Phe 19 - Arg 238 (Accession # NP_054862.1 ).
Predicted N-terminus: Phe 19
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 26.0 kDa. The protein migrates as 30-35 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method / rFC method.
Purity
>98% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
Storage
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 12 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE
Human PD-L1, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 98% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Human PD-L1, His Tag (Cat. No. PD1-H5229) is more than 95% and the molecular weight of this protein is around 30-50 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Human PD-L1, His Tag (Cat. No. PD1-H5229) at 1 μg/mL (100 μL/well) can bind Anti-Human PD-L1 MAb (Human IgG1) with a linear range of 0.1-3 ng/mL (QC tested).
Protocol
Immobilized Human PD-L1, His Tag (Cat. No. PD1-H5229) at series of concentration on MonoRabᵀᴹ Anti-His Tag (C-term) Antibody precoated (0.1 μg/well) plate, can bind Human PD-1, Mouse IgG2a Fc Tag (Cat. No. PD1-H5255) at 5 μg/mL (100 μL/well) with a linear range of 10-78 ng/mL (Routinely tested).
Protocol
Bioactivity-SPR
Human PD-1, Fc Tag (Cat. No. PD1-H5257) captured on CM5 chip via anti-human IgG Fc antibody, can bind Human PD-L1, His Tag (Cat. No. PD1-H5229) with an affinity constant of 3.6 μM as determined in a SPR assay (Biacore T200) (Routinely tested).
Protocol
Anti-Human PD-L1 Mab (Human IgG1) captured on CM5 chip via anti-human IgG Fc antibodies surface, can bind Human PD-L1, His Tag (Cat. No. PD1-H5229) with an affinity constant of 0.286 nM as determined in a SPR assay (Biacore T200) (Routinely tested).
Protocol
Bioactivity-BLI
Loaded Human PD-1, Fc Tag, low endotoxin (Cat. No. PD1-H5257) on ProteinA Biosensor, can bind Human PD-L1, His Tag (Cat. No. PD1-H5229) with an affinity constant of 5.3 μM as determined in BLI assay (ForteBio Octet Red96e) (QC tested).
Protocol
Loaded Anti-Human PD-L1 MAb (Human IgG1) on AHC Biosensor, can bind Human PD-L1, His Tag (Cat. No. PD1-H5229) with an affinity constant of 1.61 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
Programmed death-ligand 1
- Category：
- Approved Drugs：
11 Details
- Drugs in Clinical Trials：
152 Details
- Highest Development Stage：
Approved
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