Human Cellexp Ox40 Ligand/Tnfsf4 Recombinant 10UG. Human Cellexp Ox40 Ligand/Tnfsf4 Recombinant, Host: HEK 293 cells, Purity: greater than or equal to 95% SDS-PAGE, in sterile PBS, pH 7.4 to a concentration of 50 ug/ml, MW: 20 kDa, Storage: -20 deg C, Synonyms: OX40L,TNFSF4,CD252, Size: 10UG