preferred_name: 1-122-INDUCIBLE COSTIMULATORY LIGAND PROTEIN (52-HISTIDINE,57-TYROSINE,100-ARGININE) (HUMAN) FUSION PROTEIN WITH SYNTHETIC PEPTIDE LINKER (GGGGSGGGGS) FUSION PROTEIN WITH IMMUNOGLOBULIN G1 (HUMAN .GAMMA.1-CHAIN C REGION VARIANT C-TERMINAL FRAGMENT), DIMER