Positive test controls include: HepG2, Mouse brain, Rat brain. The target is usually found in the following locations: Secreted. Immunogen sequence: GQRWELALGR FWDYLRWVQT LSEQVQEELL SSQVTQELRA LMDETMKELK AYKSELEEQL TPVAEETRAR LSKELQAAQA RLGADMEDVC GRLVQY