T-Cell Receptors Interact Not Only with Peptide Anchored in the Peptide-Binding

Multiple Choice

T-cell receptors interact not only with peptide anchored in the peptide-binding groove of MHC molecules,but also with

A) anchor residues
B) peptide-binding motif
C) variable amino acid residues on α helices of the MHC molecule
D) β₂-microglobulin
E) invariant chain.