Positive test controls include: LNCaP. The target is usually found in the following locations: Secreted. Immunogen sequence: ECEKHSQPWQ VLVASRGRAV CGGVLVHPQW VLTAAHCIRN KSVILLGRHS LFHPEDTGQV FQVSHSFPHP LYDMSLLKNR FLRPGDDSSH DLMLLRLSEP AELTDAVKVM DLPTQEPA