has part is about has specified input has specified output has role material entity MHC protein complex purified MHC molecule preparation binding assay using radioactivity detection MHC protein complex binding to ligand radioactivity detection assay measuring competitive binding of a purified-MHC:ligand complex PERSON:Randi Vita, Jason Greenbaum, Bjoern Peters IEDB A radioactivity detection assay that detects loss of binding of a known reference ligand to purified-MHC due to competition by the ligand under investigation. radioactivity detection assay measuring competitive binding of a purified-MHC:ligand complex qualitative binding|purified MHC/competitive/radioactivity assay measuring binding of a purified-MHC:ligand complex competitive binding reference ligand role categorical binding datum metadata complete