Cyclic nucleotide-gated cation channel alpha-4 (Cyclic nucleotide-gated channel alpha-4) (CNG channel alpha-4) (CNG-4) (CNG4)
1_MSQDT 6_ KVKTT 11_ ESSPP 16_ APSKA 21_ RKLLP 26_ VLDPS 31_ GDYYY 36_ WWLNT 41_ MVFPV 46_ MYNLI 51_ ILVCR 56_ ACFPD 61_ LQHGY 66_ LVAWL 71_ VLDYT 76_ SDLLY 81_ LLDMV 86_ VRFHT 91_ GFLEQ 96_ GILVV 101_ DKGRI 106_ SSRYV 111_ RTWSF 116_ FLDLA 121_ SLMPT 126_ DVVYV 131_ RLGPH 136_ TPTLR 141_ LNRFL 146_ RAPRL 151_ FEAFD 156_ RTETR 161_ TAYPN 166_ AFRIA 171_ KLMLY 176_ IFVVI 181_ HWNSC 186_ LYFAL 191_ SRYLG 196_ FGRDA 201_ WVYPD 206_ PAQPG 211_ FERLR 216_ RQYLY 221_ SFYFS 226_ TLILT 231_ TVGDT 236_ PPPAR 241_ EEEYL 246_ FMVGD 251_ FLLAV 256_ MGFAT 261_ IMGSM 266_ SSVIY 271_ NMNTA 276_ DAAFY 281_ PDHAL 286_ VKKYM 291_ KLQHV 296_ NRKLE 301_ RRVID 306_ WYQHL 311_ QINKK 316_ MTNEV 321_ AILQH 326_ LPERL 331_ RAEVA 336_ VSVHL 341_ STLSR 346_ VQIFQ 351_ NCEAS 356_ LLEEL 361_ VLKLQ 366_ PQTYS 371_ PGEYV 376_ CRKGD 381_ IGQEM 386_ YIIRE 391_ GQLAV 396_ VADDG 401_ ITQYA 406_ VLGAG 411_ LYFGE 416_ ISIIN 421_ IKGNM 426_ SGNRR 431_ TANIK 436_ SLGYS 441_ DLFCL 446_ SKEDL 451_ REVLS 456_ EYPQA 461_ QTIME 466_ EKGRE 471_ ILLKM 476_ NKLDV 481_ NAEAA 486_ EIALQ 491_ EATES 496_ RLRGL 501_ DQQLD 506_ DLQTK 511_ FARLL 516_ AELES 521_ SALKI 526_ AYRIE 531_ RLEWQ 536_ TREWP 541_ MPEDL 546_ AEADD 551_ EGEPE 556_ EGTSK 561_ DEEGR 566_ASQEG
1: Pore-forming subunit of the olfactory cyclic nucleotide-gated channel. Operates in the cilia of olfactory sensory neurons where chemical stimulation of the odorant is converted to an electrical signal. Mediates odorant-induced cAMP-dependent Ca(2+) influx triggering neuron depolarization. The rise of intracellular Ca(2+) levels potentiates the olfactory response by activating Ca(2+)-dependent Cl(-) channels, but it also serves as a negative feedback signal to desensitize the channel for rapid adaptation to odorants. Conducts cAMP- and cGMP-gated ion currents, with permeability for monovalent and divalent cations