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HC094/VID 420—definition of CD4+ T-cell epitopes in HIV-1 protein Pol. HC094 peptide-grown SCTL from volunteer 420 was stimulated with truncated peptides (left) in an ICS assay and production of IFN-γ (green) and TNF-α (orange) by CD4+ T cells was monitored. Arrows in the graph and amino acids V, L, Y, S and D indicate the stimulatory peptide termini.
