______________________ is a specific portion of an antigen to which an antibody binds. for t cells, this is the peptide portion that is complexed with mhc molecules on apcs for recognition by the tcr. cytokine antigen hapten epitope
The epitope is a specific portion of an antigen to which an antibody binds. T cell epitopes are presented by MHC class I or class II and both of the classes are proteins. The part of an antibody that binds to the epitope is called a paratope.