Synonyms :  B7-1; CD80 
Host :  CHO cell 
Sequence :  The extracellular domain of human CD80 [B7-1] (NP_005182.1)(Val35-Asn242) is fused to the N-terminus ofthe Fc region of human IgG1. 
Molecular Mass:  50 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 induce IL-2 secretion by Jurkat human acute T cell leukemia cells. 
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.