Cation channel sperm-associated protein 2 (CatSper2)
1_MAAYQ 6_ QEEQM 11_ QLPRA 16_ DAIRS 21_ RLIDT 26_ FSLIE 31_ HLQGL 36_ SQAVP 41_ RHTIR 46_ ELLDP 51_ SRQKK 56_ LVLGD 61_ QHQLV 66_ RFSIK 71_ PQRIE 76_ QISHA 81_ QRLLS 86_ RLHVR 91_ CSQRP 96_ PLSLW 101_ AGWVL 106_ ECPLF 111_ KNFII 116_ FLVFL 121_ NTIIL 126_ MVEIE 131_ LLEST 136_ NTKLW 141_ PLKLT 146_ LEVAA 151_ WFILL 156_ IFILE 161_ ILLKW 166_ LSNFS 171_ VFWKS 176_ AWNVF 181_ DFVVT 186_ MLSLL 191_ PEVVV 196_ LVGVT 201_ GQSVW 206_ LQLLR 211_ ICRVL 216_ RSLKL 221_ LAQFR 226_ QIQII 231_ ILVLV 236_ RALKS 241_ MTFLL 246_ MLLLI 251_ FFYIF 256_ AVTGV 261_ YVFSE 266_ YTRSP 271_ RQDLE 276_ YHVFF 281_ SDLPN 286_ SLVTV 291_ FILFT 296_ LDHWY 301_ ALLQD 306_ VWKVP 311_ EVSRI 316_ FSSIY 321_ FILWL 326_ LLGSI 331_ IFRSI 336_ IVAMM 341_ VTNFQ 346_ NIRKE 351_ LNEEM 356_ ARREV 361_ QLKAD 366_ MFKRQ 371_ IIQRR 376_ KNMSH 381_ EALTS 386_ SHSKI 391_ EDSSR 396_ GASQQ 401_ RESLD 406_ LSEVS 411_ EVESN 416_ YGATE 421_ EDLIT 426_ SASKT 431_ EETLS 436_ KKREY 441_ QSSSC 446_ VSSTS 451_ SSYSS 456_ SSESR 461_ FSESI 466_ GRLDW 471_ ETLVH 476_ ENLPG 481_ LMEMD 486_ QDDRV 491_ WPRDS 496_ LFRYF 501_ ELLEK 506_ LQYNL 511_ EERKK 516_ LQEFA 521_VQALM
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