Cation channel sperm-associated protein 4 (CatSper4)
1_MRDNE 6_ KAWWQ 11_ QWTSH 16_ TGLEG 21_ WGGTQ 26_ EDRMG 31_ FGGAV 36_ AALRG 41_ RPSPL 46_ QSTIH 51_ ESYGR 56_ PEEQV 61_ LINRQ 66_ EITNK 71_ ADAWD 76_ MQEFI 81_ THMYI 86_ KQLLR 91_ HPAFQ 96_ LLLAL 101_ LLVIN 106_ AITIA 111_ LRTNS 116_ YLDQK 121_ HYELF 126_ STIDD 131_ IVLTI 136_ LLCEV 141_ LLGWL 146_ NGFWI 151_ FWKDG 156_ WNILN 161_ FIIVF 166_ ILLLR 171_ FFINE 176_ INIPS 181_ INYTL 186_ RALRL 191_ VHVCM 196_ AVEPL 201_ ARIIR 206_ VILQS 211_ VPDMA 216_ NIMVL 221_ ILFFM 226_ LVFSV 231_ FGVTL 236_ FGAFV 241_ PKHFQ 246_ NIQVA 251_ LYTLF 256_ ICITQ 261_ DGWVD 266_ IYSDF 271_ QTEKR 276_ EYAME 281_ IGGAI 286_ YFTIF 291_ ITIGA 296_ FIGIN 301_ LFVIV 306_ VTTNL 311_ EQMMK 316_ AGEQG 321_ QQQRI 326_ TFSET 331_ GAEEE 336_ EENDQ 341_ LPLVH 346_ CVVAR 351_ SEKSG 356_ LLQEP 361_ LAGGP 366_ LSNLS 371_ ENTCD 376_ NFCLV 381_ LEAIQ 386_ ENLRQ 391_ YKEIR 396_ DELNM 401_ IVEEV 406_ RAIRF 411_ NQEQE 416_ SEVLN 421_ RRSST 426_ SGSLE 431_ TTSSK 436_ DIRQM 441_ SQQQD 446_ LLSAL 451_ VSMEK 456_ VHDSS 461_ SQILL 466_KKHKS
1: Pore-forming subunit of the CatSper complex, a sperm-specific voltage-gated calcium channel that plays a central role in calcium-dependent physiological responses essential for successful fertilization, such as sperm hyperactivation, acrosome reaction and chemotaxis towards the oocyte