Sulfide:quinone oxidoreductase, mitochondrial (SQOR) (EC 1.8.5.8) (Sulfide dehydrogenase-like) (Sulfide quinone oxidoreductase)
1_MVPLV 6_ AVVSG 11_ PRAQL 16_ FACLL 21_ RLGTQ 26_ QVGPL 31_ QLHTG 36_ ASHAA 41_ RNHYE 46_ VLVLG 51_ GGSGG 56_ ITMAA 61_ RMKRK 66_ VGAEN 71_ VAIVE 76_ PSERH 81_ FYQPI 86_ WTLVG 91_ AGAKQ 96_ LSSSG 101_ RPTAS 106_ VIPSG 111_ VEWIK 116_ ARVTE 121_ LNPDK 126_ NCIHT 131_ DDDEK 136_ ISYRY 141_ LIIAL 146_ GIQLD 151_ YEKIK 156_ GLPEG 161_ FAHPK 166_ IGSNY 171_ SVKTV 176_ EKTWK 181_ ALQDF 186_ KEGNA 191_ IFTFP 196_ NTPVK 201_ CAGAP 206_ QKIMY 211_ LSEAY 216_ FRKTG 221_ KRSKA 226_ NIIFN 231_ TSLGA 236_ IFGVK 241_ KYADA 246_ LQEII 251_ QERNL 256_ TVNYK 261_ KNLIE 266_ VRADK 271_ QEAVF 276_ ENLDK 281_ PGETQ 286_ VISYE 291_ MLHVT 296_ PPMSP 301_ PDVLK 306_ TSPVA 311_ DAAGW 316_ VDVDK 321_ ETLQH 326_ RRYPN 331_ VFGIG 336_ DCTNL 341_ PTSKT 346_ AAAVA 351_ AQSGI 356_ LDRTI 361_ SVIMK 366_ NQTPT 371_ KKYDG 376_ YTSCP 381_ LVTGY 386_ NRVIL 391_ AEFDY 396_ KAEPL 401_ ETFPF 406_ DQSKE 411_ RLSMY 416_ LMKAD 421_ LMPFL 426_ YWNMM 431_ LRGYW 436_ GGPAF 441_LRKLF
1: Catalyzes the oxidation of hydrogen sulfide with the help of a quinone, such as ubiquinone-10, giving rise to thiosulfate and ultimately to sulfane (molecular sulfur) atoms. Requires an additional electron acceptor; can use sulfite, sulfide or cyanide (in vitro) (PubMed:22852582). It is believed the in vivo electron acceptor is glutathione (PubMed:25225291, PubMed:29715001)