Nonbinder

Peptide affinities for MHC II proteins were categorized as either strong (IC 50 < 0.1 μmol/l), moderate (0.1 μmol/l ≤ IC 50 < 1 μmol/l), weak (1 μmol/l ≤ IC 50 < 10 μmol/l), or nonbinders (IC 50 ≥ 10 μmol/l).