Positive test controls include: Mouse thymus, Rat fat. Immunogen sequence: MAPSGLKAVV GEKILSGVIR SVKKDGEWKV LIMDHPSMRI LSSCCKMSDI LAEGITIVED INKRREPIPS LEAIYLLSPT EKALIKDFQG TPTFTYKAAH IFFTDTCPEP LFSELGRSRL AKVVKTLKEI HLAFLPYEAQ VFSLDAPHST YNLYCPFRAE ERT