Provided below are ELISA kits targeting regulatory factor X associated protein, a human protein encoded by RFXAP. This protein is 272 amino acids long with a reported mass of 28.2 kDa. This is reported to be a nuclear protein. There is a noted implication in Bare lymphocyte syndrome 2. Other alias names for this protein include: RFX DNA-binding complex 36 kDa subunit, and RFX-associated protein.