Synonyms :  V-set Domain-containing T Cell Activation Inhibitor 1; VTCN1; Immune Costimulatory Protein B7-H4; T Cell Costimulatory Molecule B7x 
Host :  CHO cells 
Sequence :  The extracellular domain of mouse B7-H4(NP_848709.2)(Phe29-Pro258) is fused to the N-terminus of the Fc region of mouse IgG2a. 
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-induced proliferation of stimulated human T 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.