1.8.2.1 cytochrome c - 669353, 710857, 711780, 764491, 764725, 765785 1.8.2.1 cytochrome c c-type cytochrome SorU, i.e. Smc04048 743146 1.8.2.1 cytochrome c-551 intimately associated with the enzyme 394072 1.8.2.1 cytochrome c-551 MW 23000 Da, necessary for the enzyme as an integral part 394083 1.8.2.1 cytochrome c550 - 394076 1.8.2.1 cytochrome c550 enzyme reacts exclusively with cytochrome c550 394085 1.8.2.1 FAD enzyme covalently binds one FAD 724587 1.8.2.1 heme - 394087, 658970, 710857, 711242, 711780, 712157, 764725 1.8.2.1 heme 0.91 heme c per holoenzyme 658705 1.8.2.1 heme contains b-type heme 711223 1.8.2.1 heme contains heme 394087 1.8.2.1 heme enzyme contains heme 394079 1.8.2.1 heme octaheme 765785 1.8.2.1 heme the 38815 Da subunit consists of a polypeptide and two covalently bound hemes, 3.53 mol of heme per mol of enzyme 394084 1.8.2.1 heme the enzyme contains 0.8 heme groups per holoenzyme 394085 1.8.2.1 heme c - 667744, 722663 1.8.2.1 molybdenum cofactor (molybdopterin-S,S)-oxo-molybdenum 722663 1.8.2.1 molybdopterin - 669353, 700633, 711242 1.8.2.1 additional information ferrocene methanol (in its oxidized ferrocenium form) is utilized as an artificial electron acceptor for the catalytic SorT sulfite oxidation reaction 743146 1.8.2.1 additional information independent of cytochrome c, assayed with ferricyanide as an electron acceptor 695918