| J | PF00499 | e7ardJ1 | A: extended segments | X: NADH-quinone oxidoreductase subunit J (From Topology) | H: NADH-quinone oxidoreductase subunit J (From Topology) | T: NADH-quinone oxidoreductase subunit J | F: PF00499 | ECOD (1.6) |
| K | PF00420 | e7ardK1 | A: alpha complex topology | X: NADH-quinone oxidoreductase subunit K (From Topology) | H: NADH-quinone oxidoreductase subunit K (From Topology) | T: NADH-quinone oxidoreductase subunit K | F: PF00420 | ECOD (1.6) |
| L | PF00361,PF00662 | e7ardL1 | A: alpha complex topology | X: Sodium/proton antiporter subunits-like (From Homology) | H: Sodium/proton antiporter subunits-like | T: NADH-quinone oxidoreductase subunit L (NuoL)-related | F: PF00361,PF00662 | ECOD (1.6) |
| M | PF00361 | e7ardM1 | A: alpha complex topology | X: Sodium/proton antiporter subunits-like (From Homology) | H: Sodium/proton antiporter subunits-like | T: NADH-quinone oxidoreductase subunit L (NuoL)-related | F: PF00361 | ECOD (1.6) |
| N | PF00361 | e7ardN1 | A: alpha complex topology | X: Sodium/proton antiporter subunits-like (From Homology) | H: Sodium/proton antiporter subunits-like | T: NADH-quinone oxidoreductase subunit L (NuoL)-related | F: PF00361 | ECOD (1.6) |
| O | F_UNCLASSIFIED | e7ardO1 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: F_UNCLASSIFIED | ECOD (1.6) |
| P | PF01370 | e7ardP1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: PF01370 | ECOD (1.6) |
| Q | PF04800 | e7ardQ1 | A: a+b two layers | X: Putative oxidoreductase (From Topology) | H: Putative oxidoreductase (From Topology) | T: Putative oxidoreductase | F: PF04800 | ECOD (1.6) |
| S | PF05047 | e7ardS1 | A: a+b three layers | X: Thioredoxin-like | H: Thioredoxin-like (From Topology) | T: Thioredoxin-like | F: PF05047 | ECOD (1.6) |
| B | PF01058 | e7ardB1 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: CheY-like | F: PF01058 | ECOD (1.6) |
| T | PF00550 | e7ardT1 | A: alpha bundles | X: ACP-like | H: Acyl-carrier protein (ACP) (From Topology) | T: Acyl-carrier protein (ACP) | F: PF00550 | ECOD (1.6) |
| U | PF00550 | e7ardU1 | A: alpha bundles | X: ACP-like | H: Acyl-carrier protein (ACP) (From Topology) | T: Acyl-carrier protein (ACP) | F: PF00550 | ECOD (1.6) |
| W | F_UNCLASSIFIED | e7ardW1 | A: alpha bundles | X: LYR protein (From Topology) | H: LYR protein (From Topology) | T: LYR protein | F: F_UNCLASSIFIED | ECOD (1.6) |
| X | F_UNCLASSIFIED | e7ardX2 | A: few secondary structure elements | X: p8-MTCP1-related (From Topology) | H: p8-MTCP1-related (From Topology) | T: p8-MTCP1-related | F: F_UNCLASSIFIED | ECOD (1.6) |
| Z | PF06212 | e7ardZ1 | A: extended segments | X: Mitochondrial complex I, B16.6 subunit (From Topology) | H: Mitochondrial complex I, B16.6 subunit (From Topology) | T: Mitochondrial complex I, B16.6 subunit | F: PF06212 | ECOD (1.6) |
| AA [auth a] | PF15879 | e7arda1 | A: extended segments | X: Mitochondrial complex I, MWFE subunit (From Topology) | H: Mitochondrial complex I, MWFE subunit (From Topology) | T: Mitochondrial complex I, MWFE subunit | F: PF15879 | ECOD (1.6) |
| C | PF00329 | e7ardC1 | A: a+b two layers | X: Nqo5-like | H: Nqo5-like (From Topology) | T: Nqo5-like | F: PF00329 | ECOD (1.6) |
| EA [auth e] | PF10200 | e7arde1 | A: alpha bundles | X: cytochrome bc1 complex 11 kDa protein-like | H: CHCH domain (From Topology) | T: CHCH domain | F: PF10200 | ECOD (1.6) |
| D | PF00346 | e7ardD1 | A: alpha complex topology | X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | T: alpha-helical domain in nickel-iron hydrogenase, large subunit | F: PF00346 | ECOD (1.6) |
| D | PF00346 | e7ardD3 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: PF00346 | ECOD (1.6) |
| E | PF01257 | e7ardE1 | A: alpha bundles | X: NQO2 helical bundle domain (From Topology) | H: NQO2 helical bundle domain (From Topology) | T: NQO2 helical bundle domain | F: PF01257 | ECOD (1.6) |
| E | PF01257 | e7ardE2 | A: a+b three layers | X: Thioredoxin-like | H: Thioredoxin-like (From Topology) | T: Thioredoxin-like | F: PF01257 | ECOD (1.6) |
| F | PF10589 | e7ardF2 | A: alpha bundles | X: Bromodomain-like | H: Nqo1C-terminal domain-like (From Topology) | T: Nqo1C-terminal domain-like | F: PF10589 | ECOD (1.6) |
| F | PF22461 | e7ardF3 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Nqo1 middle domain-like | F: PF22461 | ECOD (1.6) |
| F | PF01512 | e7ardF1 | A: a/b three-layered sandwiches | X: Nqo1 FMN-binding domain-like (From Topology) | H: Nqo1 FMN-binding domain-like (From Topology) | T: Nqo1 FMN-binding domain-like | F: PF01512 | ECOD (1.6) |
| G | PF22117 | e7ardG6 | A: a+b two layers | X: 4Fe-4S ferredoxin (From Topology) | H: 4Fe-4S ferredoxin (From Topology) | T: 4Fe-4S ferredoxin | F: PF22117 | ECOD (1.6) |
| G | PF13510 | e7ardG3 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: PF13510 | ECOD (1.6) |
| G | PF22151 | e7ardG4 | A: a+b two layers | X: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology) | H: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology) | T: Formate dehydrogenase/DMSO reductase, domain 1 | F: PF22151 | ECOD (1.6) |
| G | PF00384 | e7ardG2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology) | T: Formate dehydrogenase/DMSO reductase, domains 2 and 3 | F: PF00384 | ECOD (1.6) |
| G | PF00384,PF09326 | e7ardG1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology) | T: Formate dehydrogenase/DMSO reductase, domains 2 and 3 | F: PF00384,PF09326 | ECOD (1.6) |
| G | PF10588 | e7ardG5 | A: extended segments | X: iron-sulfur center-binding helical hairpin (From Topology) | H: iron-sulfur center-binding helical hairpin (From Topology) | T: iron-sulfur center-binding helical hairpin | F: PF10588 | ECOD (1.6) |
| H | PF00146 | e7ardH1 | A: alpha complex topology | X: Sodium/proton antiporter subunits-like (From Homology) | H: Sodium/proton antiporter subunits-like | T: NADH-quinone oxidoreductase subunit 8 (Nqo8)-related | F: PF00146 | ECOD (1.6) |
| I | PF00037 | e7ardI1 | A: a+b two layers | X: 4Fe-4S ferredoxin (From Topology) | H: 4Fe-4S ferredoxin (From Topology) | T: 4Fe-4S ferredoxin | F: PF00037 | ECOD (1.6) |
