Recombinant Human CD279/PDCD1/PD1 Protein, C-His (HS870021) expressed in Mammalian Cells, spanning Pro21-Gln167. Purity: >90% by SDS-PAGE.
Highlights
●His-Tagged — N-terminal 6×His tag for IMAC purification.
●Mammalian Expression — Proper folding and native glycosylation.
●High Purity — >90% purity verified by SDS-PAGE.
Système d'expression
Mammalian cells
Numéro d'accès
Q15116
Longueur de protéine
Pro21-Gln167
Applications
ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
Espèces
Homo sapiens (Human)
Nature
Recombinant
Cible
CD279, PD1, PDCD1, Programmed cell death protein 1, Protein PD-1, PD-1
Niveau d'endotoxines
Please contact with the lab for this information.
Pureté
>90% as determined by SDS-PAGE.
Masse moléculaire prédite
19.73 kDa
Forme
Lyophilized
Tampon de stockage
Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol.
Reférez-vous aux informations spécifiques sur le tampon dans la copie papier du datasheet ou dans le COA spécifique au lot.
Reconstitution
Reconstitute in sterile water for a stock solution. Adjust the volume of sterile water so that, after reconstitution, the final stock concentration matches the value indicated on the product label or datasheet.
RECONSTITUTION PROTOCOL
1. Allow the product to be reconstituted and the reconstitution diluent to reach room temperature.
2. Tap or briefly centrifuge the product vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial.
3. Use the diluent and stock concentration recommended in the product datasheet. If preparing a stock concentration higher than recommended, contact Technical Service.
4. After adding the diluent, re-cap the vial and invert gently by hand or place on a slow rocking platform to allow the reconstitution diluent to coat all the surfaces inside the vial. Note: Do not mix by vortexing or by pipetting the material up and down.
5. Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using.
6. Store the reconstituted material in single use aliquots in polypropylene or siliconized tubes. Aliquots of 10 μL or larger are recommended.
Expédition
In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Stabilité et stockage
Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Noms alternatifs
CD279, PD1, PDCD1, Programmed cell death protein 1, Protein PD-1, PD-1
Contexte
Programmed cell death protein 1 (CD279/PD-1) is a ~31 kDa protein. Inhibitory receptor on antigen activated T-cells that plays a critical role in induction and maintenance of immune tolerance to self. Delivers inhibitory signals upon binding to ligands CD274/PDCD1L1 and CD273/PDCD1LG2. Following T-cell receptor (TCR) engagement, PDCD1 associates with TCR-CD3 in the immunological synapse and directly inhibits T-cell activation. Suppresses T-cell activation through the recruitment of PTPN11/SHP-2: following ligand-binding, PDCD1 is phosphorylated within the ITSM motif, leading to the recruitment of the protein tyrosine phosphatase PTPN11/SHP-2 that mediates dephosphorylation of key TCR proximal signaling molecules, such as ZAP70, PRKCQ/PKCtheta and CD247/CD3zeta. CD279 is the therapeutic target of pembrolizumab (Keytruda) and nivolumab (Opdivo).
1. Fife, BT. et al. (2011) Annals of the New York Academy of Sciences 1217, 45-59. PMID: 21276005
2. Bardhan, K. et al. (2019) Scientific reports 9, 17252. PMID: 31754127
3. Patsoukis, N. et al. (2020) Communications biology 3, 128. PMID: 32184441
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