Positive test controls include: Mouse testis, Rat testis. The target is usually found in the following locations: Secreted. Immunogen sequence: QQWKFCETNE YGGNSLRKPC IFPSIYRNNV VSDCMEDESN KLWCPTTENM DKDGKWSFCA DTRISALVPG FPCHFPFNYK NKNYFNCTNE GSKENLVWCA