IFNG and HIV-1 infection: To examine the immunogenicity of naturally produced KK10 epitope forms, we used ex vivo interferon (IFN)-γ enzyme-linked immunospot (ELISpot) assays to quantify peptide-specific responses among PBMCs isolated from ten HLA-B∗27:05+ patients with chronic HIV-1 infection (Table S3) (Tenzer et al., 2009).