Antigen-specific T cell recognition is dependent on the functional density of the TCR -ligand , which consists of specific MHC molecules and a specifically bound peptide .
antigen-specific t cell recognition is dependent on the functional density of the tcr -ligand , which consists of specific mhc molecules and a specifically bound peptide .
B-other_name I-other_name I-other_name I-other_name O O O O O O O O B-protein_family_or_group O O O O O O B-protein_family_or_group I-protein_family_or_group O O B-peptide I-peptide I-peptide O