Positive test controls include: Rat kidney. Immunogen sequence: MAGENFATPF HGHVGRGAFS DVYEPAEDTF LLLNALEAAA AELAGVEICL EVGSGSGVVS AFLASMIGPQ ALYMCTDINP EAAACTLETA RCNKVHIQPV ITDLVGSHGI EAAWAGGRNG REVMDRFFPL VPDLLSPRGL FYLVTIKENN PEEILKIMKT KGLQGTTALS RQA