Enables identical protein binding activity and receptor ligand activity. Involved in T follicular helper cell differentiation. Located in intracellular membrane-bounded organelle. Is active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2025]
Alternative Names
B7 homolog 2 B7 homologue 2 B7-like protein Gl50 B7-related protein 1 B7RP-1 costimulatory surface molecule ICOS-ligand ICOS-ligand transmembrane protein B7-H2 ICOS ligand