PDCD1 Recombinant Protein Cat. No.: 92-496

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psi-iconSpecifications
SPECIES:Mouse
SOURCE SPECIES:Human Cells
SEQUENCE:Leu25-Gln167
FUSION TAG:C-6 His tag
TESTED APPLICATIONS:
APPLICATIONS:This recombinant protein can be used for biological assays. For research use only.
psi-iconProperties
PURITY:Greater than 95% as determined by reducing SDS-PAGE.
Endotoxin level less than 0.1 ng/ug (1 IEU/ug) as determined by LAL test.
PREDICTED MOLECULAR WEIGHT:17.2 kD
PHYSICAL STATE:Lyophilized
BUFFER:Lyophilized from a 0.2 um filtered solution of 20mM Tris,150mM NaCl,pH8.0. It is not recommended to reconstitute to a concentration less than 100 ug/ml. Dissolve the lyophilized protein in ddH2O.
STORAGE CONDITIONS:Lyophilized protein should be stored at -20˚C, though stable at room temperature for 3 weeks.
Reconstituted protein solution can be stored at 4-7˚C for 2-7 days.
Aliquots of reconstituted samples are stable at -20˚C for 3 months.
psi-iconAdditional Info
ALTERNATE NAMES:Programmed cell death protein 1, PD-1, CD279, Pdcd1, mPD-1
ACCESSION NO.:Q02242
OFFICIAL SYMBOL:Pdcd1
GENE ID:18566
psi-iconBackground and References
BACKGROUND:Programmed Death-1 (PD-1), firstly cloned from mouse T cell hybridoma 2B4.11, is one member of CD28/CTLA-4 superfamily. PD-1 belongs to type I transmembrane protein and acts as an important immunosuppressive molecule. The cytoplamsic tail of PD-1 contains two structural motifs, an immunoreceptor tyrosine-based inhibitory motif (ITIM) and an immunoreceptor tyrosine-based switch motif (ITSM) formed by two tyrosine residues which make the difference in PD-1 signal mediating. Mouse PD-1 is expressed in thymus and shares about 69% aa sequence identity with human PD-1. Recently, programmed death-1 (PD-1) with its ligands, programmed death ligand B7H1 (PD-L1) and B7DC (PD-L2), was found to regulate T-cell activation and tolerance, upon ligand binding, inhibiting T-cell effector functions in an antigen-specific manner. PD-1 gene knocked out mice would induce some autoimmune diseases, which suggests that PD-1 acts as a co-inhibitory molecule actively participating in maintaining peripheral tolerance. Thus, PD-1 may be a useful target for the immunologic therapy of carcinoma,infection,autoimmune diseases as well as organ transplantation.

FOR RESEARCH USE ONLY.

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