Positive test controls include: 293T, Raji, U-937, Mouse kidney. Immunogen sequence: DEVQERLQAC RDKPGSYIFR PSCTRLGQWA IGYVSSDGSI LQTIPANKPL SQVLLEGQKD GFYLYPDGKT HNPDLTELGQ AEPQQRIHVS EEQLQLYWAM DSTFELCKIC AESNKDVKIE PCGHLLCSCC LAAWQHSDSQ TCPFCRCEIK GWEA