part of has part realizes has participant has function derives from T cell B cell biological process biological_process epitope epitope binding by adaptive immune receptor adaptive immune effector function immunogen immunogen role immunization Infection with influenza (the immunogen) leading to B cells producing antibodies (the effector function) against surface regions of the HA protein (the epitope). immunization IEDB IEDB The process of an epitope that is part of or derived from an immunogen coming into contact with adaptive immune cells resulting in these cells acquiring immune effector functions specific for the epitope. metadata incomplete