The treponemal chemiluminescence test, used for syphilis screeningat the Rio Verde/GOBrazil, was based on TP recombinant antigensTp0171(Tp15), Tp0435 (Tp17), and Tp0574 (Tp47)and used the full-lengthforms of these three major antigens as a comparative reference. Here, CDKN2B is linked to syphilis.