Eppin (Cancer/testis antigen 71) (CT71) (Epididymal protease inhibitor) (Protease inhibitor WAP7) (Serine protease inhibitor-like with Kunitz and WAP domains 1) (WAP four-disulfide core domain protein 7)
1_MGSSG 6_ LLSLL 11_ VLFVL 16_ LANVQ 21_ GPGLT 26_ DWLFP 31_ RRCPK 36_ IREEC 41_ EFQER 46_ DVCTK 51_ DRQCQ 56_ DNKKC 61_ CVFSC 66_ GKKCL 71_ DLKQD 76_ VCEMP 81_ KETGP 86_ CLAYF 91_ LHWWY 96_ DKKDN 101_ TCSMF 106_ VYGGC 111_ QGNNN 116_ NFQSK 121_ ANCLN 126_TCKNK
1: Serine protease inhibitor that plays an essential role in male reproduction and fertility. Modulates the hydrolysis of SEMG1 by KLK3/PSA (a serine protease), provides antimicrobial protection for spermatozoa in the ejaculate coagulum, and binds SEMG1 thereby inhibiting sperm motility