B7-related protein ICOS ligand B7RP1 B7-like protein Gl50 B7RP-1 PR:000001425 protein ICOSLG B7-H2 ICOSL KIAA0653 B7-related protein 1 A B7-related protein that is a translation product of the human ICOSLG gene or a 1:1 ortholog thereof. Category=gene. LICOS CD275 B7 homolog 2 B7H2