has part has measurement unit label is about has specified input has specified output has role material entity cell MHC protein complex binding assay using radioactivity detection MHC protein complex binding to ligand radioactivity detection assay measuring half maximal inhibitory concentration [IC50] to determine competitive binding of a cell-bound-MHC:ligand complex half maximal inhibitory concentration (IC50)|cellular MHC/competitive/radioactivity|nM A radioactivity detection assay that measures half maximal inhibitory concentration (IC50) to detect the loss of binding of a known reference ligand to cell-bound-MHC due to competition by the ligand under investigation. IEDB PERSON:Randi Vita, Jason Greenbaum, Bjoern Peters radioactivity detection assay measuring half maximal inhibitory concentration [IC50] to determine competitive binding of a cell-bound-MHC:ligand complex competitive binding reference ligand role assay measuring the half maximal inhibitory concentration [IC50] of a MHC:ligand complex IC50 binding datum metadata complete nanomolar