Antigen Long Description: The recombinant fHbp protein of Neisseria meningitidis was used as the antigen for the immunization of BALB/c mice. Anti-fHbp VH/k chain ribosome display libraries was generated and the actual antibody was obtained by panning the scFv library against the recombinant fHbp protein by using a single round of the ribosome display method via a rabbit reticulocyte lysate system.