Transmembrane protein 81
1_MKVLA 6_ TSFVL 11_ GSLGL 16_ AFYLP 21_ LVVTT 26_ PKTLA 31_ IPEKL 36_ QEAVG 41_ KVIIN 46_ ATTCT 51_ VTCGL 56_ GYKEE 61_ TVCEV 66_ GPDGV 71_ RRKCQ 76_ TRRLE 81_ CLTNW 86_ ICGML 91_ HFTIL 96_ IGKEF 101_ ELSCL 106_ SSDIL 111_ EFGQE 116_ AFRFT 121_ WRLAR 126_ GVIST 131_ DDEVF 136_ KPFQA 141_ NSHFV 146_ KFKYA 151_ QEYDS 156_ GTYRC 161_ DVQLV 166_ KNLRL 171_ VKRLY 176_ FGLRV 181_ LPPNL 186_ VNLNF 191_ HQSLT 196_ EDQKL 201_ IDEGL 206_ EVNLD 211_ SYSKP 216_ HHPKW 221_ KKKVA 226_ SALGI 231_ GIAIG 236_ VVGGV 241_ LVRIV 246_LCALR
1: Essential fertilization factor required for male fertility. Part of a conserved trimeric sperm complex with the essential fertilization factors IZUMO1 and SPACA6 which bridges sperm and oocyte membranes during fertilization by binding to IZUMO1R/JUNO on the oocyte