Synonyms :   ICOS; Inducible T Cell Costimulator; CRP1; CD28-related Protein-1; AILIM 
Host :  CHO cell 
Sequence :  The extracellular domain ofmouse CD278 [ICOS](NP_059508.2)(Glu21-Leu142) is fused to the N-terminus of the Fc region of mouse IgG2a. 
Molecular Mass:  40 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 binding ability in a functional ELISA. 
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.