Epididymal sperm-binding protein 1 (Epididymal secretory protein 12) (hE12)
1_MTRWS 6_ SYLLG 11_ WTTFL 16_ LYSYE 21_ SSGGM 26_ HEECV 31_ FPFTY 36_ KGSVY 41_ FTCTH 46_ IHSLS 51_ PWCAT 56_ RAVYN 61_ GQWKY 66_ CQSED 71_ YPRCI 76_ FPFIY 81_ RGKAY 86_ NSCIS 91_ QGSFL 96_ GSLWC 101_ SVTSV 106_ FDEKQ 111_ QWKFC 116_ ETNEY 121_ GGNSL 126_ RKPCI 131_ FPSIY 136_ RNNVV 141_ SDCME 146_ DESNK 151_ LWCPT 156_ TENMD 161_ KDGKW 166_ SFCAD 171_ TRISA 176_ LVPGF 181_ PCHFP 186_ FNYKN 191_ KNYFN 196_ CTNEG 201_ SKENL 206_ VWCAT 211_ SYNYD 216_QDHTW
1: Binds to spermatozoa upon ejaculation and may play a role in sperm capacitation. Has phosphorylcholine-binding activity (By similarity)