Synonyms :   PDL1; Programmed Cell Death 1 Ligand Protein 1; PDCD1 Ligand 1; B7-H1 
Host :  CHO cell 
Sequence :  The extracellular domain of human PDL1 (NP_054862.1)( Phe19-Arg238) is fused to the N-terminus of the Fc region of human IgG1.
Molecular Mass:  54 KDa (monomer) 
Purity :  >98%，by SDS-PAGE under reducing conditions.  
Endotoxin Content :  <0.06 EU/μg as determined by LAL test. 

Activity:  Measured by its ability to inhibit anti-CD3 antibody induced IL-2 secretion in human T lymphocytes.
Formulation :  Lyophilized from 0.2μm-filtered solution in PBS. 
Reconstitution :  Reconstitute at 100μg/ml in sterile PBS. 
Use / Stability :  
Stable for at least 1 year after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C. 
Avoid freeze/thaw cycles.