PD-L1 Protein, Human, Recombinant (Flag) is expressed in HEK293 mammalian cells with C-Flag tag. The predicted molecular weight is 35-40 KDa and the accession number is Q9NZQ7.
| 説明 |
PD-L1 Protein, Human, Recombinant (Flag) is expressed in HEK293 mammalian cells with C-Flag tag. The predicted molecular weight is 35-40 KDa and the accession number is Q9NZQ7. |
| Species |
Human
|
| Expression Host |
Human Cells
|
| Tag |
C-Flag
|
| Accession Number |
Q9NZQ7
|
| 別名 |
B7-H1, Programmed Cell Death 1 Ligand 1, PD-L1, PDCD1L1, B7 Homolog 1, PDCD1LG1, PDL1, B7H1, CD274, PDCD1 Ligand 1, Programmed Death Ligand 1
|
| Amino Acid |
Phe19-Thr239
|
| Construction |
Recombinant Human Programmed Cell Death 1 Ligand 1 is produced by our Mammalian expression system and the target gene encoding Phe19-Thr239 is expressed with a Flag tag at the C-terminus.
|
| Protein Purity |
Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
|
| 分子量 |
35-40 KDa, reducing conditions
|
| Endotoxin |
Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
|
| Formulation |
Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.4.
|
| Reconstitution |
Always centrifuge tubes before opening.Do not mix by vortex or pipetting.
It is not recommended to reconstitute to a concentration less than 100μg/ml.
Dissolve the lyophilized protein in distilled water.
Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
|
| Stability & Storage |
Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt.
Reconstituted protein solution can be stored at 2-8°C for 2-7 days.
Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
|
| Shipping |
The product is shipped at ambient temperature.
Upon receipt, store it immediately at the temperature listed below.
|
| Research Background |
CD274, also known as B7-H1 or programmed death ligand 1 (PD-L1), is a 40 kD type I transmembrane protein and a member of the B7 family within the immunoglobulin receptor superfamily. 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. 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.
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