| R | Rieske_cytochrome_bc1 | e2qjkR3 | A: beta sandwiches | X: ISP domain (From Topology) | H: ISP domain (From Topology) | T: ISP domain | F: Rieske_cytochrome_bc1 | ECOD (1.6) | 
 | R | Rieske_6 | e2qjkR1 | A: few secondary structure elements | X: Trm112p-like (From Topology) | H: Trm112p-like (From Topology) | T: Trm112p-like | F: Rieske_6 | ECOD (1.6) | 
 | R | UCR_Fe-S_N | e2qjkR2 | A: extended segments | X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | T: iron-sulfur subunit (ISP) transmembrane anchor | F: UCR_Fe-S_N | ECOD (1.6) | 
 | O | Rieske_cytochrome_bc1 | e2qjkO3 | A: beta sandwiches | X: ISP domain (From Topology) | H: ISP domain (From Topology) | T: ISP domain | F: Rieske_cytochrome_bc1 | ECOD (1.6) | 
 | O | Rieske_6 | e2qjkO1 | A: few secondary structure elements | X: Trm112p-like (From Topology) | H: Trm112p-like (From Topology) | T: Trm112p-like | F: Rieske_6 | ECOD (1.6) | 
 | O | UCR_Fe-S_N | e2qjkO2 | A: extended segments | X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | T: iron-sulfur subunit (ISP) transmembrane anchor | F: UCR_Fe-S_N | ECOD (1.6) | 
 | L | Rieske_cytochrome_bc1 | e2qjkL3 | A: beta sandwiches | X: ISP domain (From Topology) | H: ISP domain (From Topology) | T: ISP domain | F: Rieske_cytochrome_bc1 | ECOD (1.6) | 
 | L | Rieske_6 | e2qjkL1 | A: few secondary structure elements | X: Trm112p-like (From Topology) | H: Trm112p-like (From Topology) | T: Trm112p-like | F: Rieske_6 | ECOD (1.6) | 
 | L | UCR_Fe-S_N | e2qjkL2 | A: extended segments | X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | T: iron-sulfur subunit (ISP) transmembrane anchor | F: UCR_Fe-S_N | ECOD (1.6) | 
 | I | Rieske_cytochrome_bc1 | e2qjkI3 | A: beta sandwiches | X: ISP domain (From Topology) | H: ISP domain (From Topology) | T: ISP domain | F: Rieske_cytochrome_bc1 | ECOD (1.6) | 
 | I | Rieske_6 | e2qjkI1 | A: few secondary structure elements | X: Trm112p-like (From Topology) | H: Trm112p-like (From Topology) | T: Trm112p-like | F: Rieske_6 | ECOD (1.6) | 
 | I | UCR_Fe-S_N | e2qjkI2 | A: extended segments | X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | T: iron-sulfur subunit (ISP) transmembrane anchor | F: UCR_Fe-S_N | ECOD (1.6) | 
 | F | Rieske_cytochrome_bc1 | e2qjkF3 | A: beta sandwiches | X: ISP domain (From Topology) | H: ISP domain (From Topology) | T: ISP domain | F: Rieske_cytochrome_bc1 | ECOD (1.6) | 
 | F | Rieske_6 | e2qjkF1 | A: few secondary structure elements | X: Trm112p-like (From Topology) | H: Trm112p-like (From Topology) | T: Trm112p-like | F: Rieske_6 | ECOD (1.6) | 
 | F | UCR_Fe-S_N | e2qjkF2 | A: extended segments | X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | T: iron-sulfur subunit (ISP) transmembrane anchor | F: UCR_Fe-S_N | ECOD (1.6) | 
 | C | Rieske_cytochrome_bc1 | e2qjkC3 | A: beta sandwiches | X: ISP domain (From Topology) | H: ISP domain (From Topology) | T: ISP domain | F: Rieske_cytochrome_bc1 | ECOD (1.6) | 
 | C | Rieske_6 | e2qjkC1 | A: few secondary structure elements | X: Trm112p-like (From Topology) | H: Trm112p-like (From Topology) | T: Trm112p-like | F: Rieske_6 | ECOD (1.6) | 
 | C | UCR_Fe-S_N | e2qjkC2 | A: extended segments | X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | T: iron-sulfur subunit (ISP) transmembrane anchor | F: UCR_Fe-S_N | ECOD (1.6) | 
 | Q | Cytochrom_C1_N | e2qjkQ1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrom_C1_N | ECOD (1.6) | 
 | N | Cytochrom_C1_N | e2qjkN1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrom_C1_N | ECOD (1.6) | 
 | K | Cytochrom_C1_N | e2qjkK1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrom_C1_N | ECOD (1.6) | 
 | H | Cytochrom_C1_N | e2qjkH1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrom_C1_N | ECOD (1.6) | 
 | E | Cytochrom_C1_N | e2qjkE1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrom_C1_N | ECOD (1.6) | 
 | B | Cytochrom_C1_N | e2qjkB1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrom_C1_N | ECOD (1.6) | 
 | J | Cytochrom_B_C | e2qjkJ1 | A: alpha bundles | X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | F: Cytochrom_B_C | ECOD (1.6) | 
 | J | Cytochrome_B | e2qjkJ2 | A: alpha bundles | X: Transmembrane heme-binding four-helical bundle (From Homology) | H: Transmembrane heme-binding four-helical bundle | T: Transmembrane di-heme cytochromes | F: Cytochrome_B | ECOD (1.6) | 
 | P | Cytochrom_B_C | e2qjkP1 | A: alpha bundles | X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | F: Cytochrom_B_C | ECOD (1.6) | 
 | P | Cytochrome_B | e2qjkP2 | A: alpha bundles | X: Transmembrane heme-binding four-helical bundle (From Homology) | H: Transmembrane heme-binding four-helical bundle | T: Transmembrane di-heme cytochromes | F: Cytochrome_B | ECOD (1.6) | 
 | M | Cytochrom_B_C | e2qjkM1 | A: alpha bundles | X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | F: Cytochrom_B_C | ECOD (1.6) | 
 | M | Cytochrome_B | e2qjkM2 | A: alpha bundles | X: Transmembrane heme-binding four-helical bundle (From Homology) | H: Transmembrane heme-binding four-helical bundle | T: Transmembrane di-heme cytochromes | F: Cytochrome_B | ECOD (1.6) | 
 | G | Cytochrom_B_C | e2qjkG3 | A: alpha bundles | X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | F: Cytochrom_B_C | ECOD (1.6) | 
 | G | Cytochrome_B | e2qjkG2 | A: alpha bundles | X: Transmembrane heme-binding four-helical bundle (From Homology) | H: Transmembrane heme-binding four-helical bundle | T: Transmembrane di-heme cytochromes | F: Cytochrome_B | ECOD (1.6) | 
 | D | Cytochrom_B_C | e2qjkD1 | A: alpha bundles | X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | F: Cytochrom_B_C | ECOD (1.6) | 
 | D | Cytochrome_B | e2qjkD2 | A: alpha bundles | X: Transmembrane heme-binding four-helical bundle (From Homology) | H: Transmembrane heme-binding four-helical bundle | T: Transmembrane di-heme cytochromes | F: Cytochrome_B | ECOD (1.6) | 
 | A | Cytochrom_B_C | e2qjkA1 | A: alpha bundles | X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | F: Cytochrom_B_C | ECOD (1.6) | 
 | A | Cytochrome_B | e2qjkA2 | A: alpha bundles | X: Transmembrane heme-binding four-helical bundle (From Homology) | H: Transmembrane heme-binding four-helical bundle | T: Transmembrane di-heme cytochromes | F: Cytochrome_B | ECOD (1.6) |