S-arrestin (48 kDa protein) (Retinal S-antigen) (S-AG) (Rod photoreceptor arrestin)
1_MAASG 6_ KTSKS 11_ EPNHV 16_ IFKKI 21_ SRDKS 26_ VTIYL 31_ GNRDY 36_ IDHVS 41_ QVQPV 46_ DGVVL 51_ VDPDL 56_ VKGKK 61_ VYVTL 66_ TCAFR 71_ YGQED 76_ IDVIG 81_ LTFRR 86_ DLYFS 91_ RVQVY 96_ PPVGA 101_ ASTPT 106_ KLQES 111_ LLKKL 116_ GSNTY 121_ PFLLT 126_ FPDYL 131_ PCSVM 136_ LQPAP 141_ QDSGK 146_ SCGVD 151_ FEVKA 156_ FATDS 161_ TDAEE 166_ DKIPK 171_ KSSVR 176_ LLIRK 181_ VQHAP 186_ LEMGP 191_ QPRAE 196_ AAWQF 201_ FMSDK 206_ PLHLA 211_ VSLNK 216_ EIYFH 221_ GEPIP 226_ VTVTV 231_ TNNTE 236_ KTVKK 241_ IKAFV 246_ EQVAN 251_ VVLYS 256_ SDYYV 261_ KPVAM 266_ EEAQE 271_ KVPPN 276_ STLTK 281_ TLTLL 286_ PLLAN 291_ NRERR 296_ GIALD 301_ GKIKH 306_ EDTNL 311_ ASSTI 316_ IKEGI 321_ DRTVL 326_ GILVS 331_ YQIKV 336_ KLTVS 341_ GFLGE 346_ LTSSE 351_ VATEV 356_ PFRLM 361_ HPQPE 366_ DPAKE 371_ SYQDA 376_ NLVFE 381_ EFARH 386_ NLKDA 391_ GEAEE 396_GKRDK
1: Binds to photoactivated, phosphorylated RHO and terminates RHO signaling via G-proteins by competing with G-proteins for the same binding site on RHO (By similarity). May play a role in preventing light-dependent degeneration of retinal photoreceptor cells (PubMed:9565049)