Microbiology / Immunology / Structural Biology / Immune response / Medical Microbiology / Innate immunity / Humans / Adaptive Immunity / San Francisco / Antigen Processing / Dendritic cell / MHC class II / T lymphocytes / B Lymphocytes / University of Southern California / Gene Expression Regulation / Innate immunity / Humans / Adaptive Immunity / San Francisco / Antigen Processing / Dendritic cell / MHC class II / T lymphocytes / B Lymphocytes / University of Southern California / Gene Expression Regulation