>8DEN_1|Chains A, B, C, D|Soluble cytochrome b562|Escherichia coli BL21(DE3) (469008) ADWEDNMETLNDNLKVIEKADNAAQVKDALTKMRAAALDAQKATPPKLEDKSPDSPEMWDFRHGFDILVGQIDDALKLANEGKVKEAQAAAEQLKTTVNAHWQKYR