Positive test controls include: HeLa, PC-12. The target is usually found in the following locations: Membrane, Single-pass type II membrane protein. Immunogen sequence: SASFQPNLTV HITGFGALYY GGESQNDLRE ARVKIISDDV CKQPQVYGND IKPGMFCAGY MEGIYDACRG DSGGPLVT