is about binding constant half life datum (t 1/2) half life of binding datum The 45 minute period in which one half of the complexes formed by peptide ligand bound to a HLA-A*0201molecule disassociate. IEDB PERSON: Bjoern Peters, Randi Vita A half life datum of the time it takes for 50% of bound complexes in an ensemble to disassociate in absence of re-association. half life of binding datum binding metadata complete