| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| fccA | frdA | SO_0970 | SO_0398 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | Quinol:fumarate reductase FAD-binding subunit FrdA. | 0.943 |
| fccA | frdB | SO_0970 | SO_0399 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | Quinol:fumarate reductase FeS subunit FrdB. | 0.990 |
| fccA | fumB | SO_0970 | SO_2222 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | Anaerobic fumarate hydratase FumB; Catalyzes the reversible hydration of fumarate to (S)-malate. Belongs to the class-I fumarase family. | 0.981 |
| fccA | ifcA | SO_0970 | SO_1421 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | Periplasmic tetraheme flavocytochrome IfcA; Belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | 0.907 |
| fccA | sdhA | SO_0970 | SO_1928 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | Succinate dehydrogenase flavoprotein subunit SdhA; Belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | 0.926 |
| fccA | sdhB | SO_0970 | SO_1929 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | Succinate dehydrogenase iron-sulfur protein SdhB; Belongs to the succinate dehydrogenase/fumarate reductase iron-sulfur protein family. | 0.988 |
| fccA | sdhC | SO_0970 | SO_1927 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | Succinate dehydrogenase cytochrome b556 subunit SdhC. | 0.985 |
| fccA | sdhD | SO_0970 | SO_4778 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | Succinate dehydrogenase membrane anchor subunit SdhD; Membrane-anchoring subunit of succinate dehydrogenase (SDH). | 0.972 |
| fccA | sucC | SO_0970 | SO_1932 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | succinyl-CoA synthase beta subunit SucC; Succinyl-CoA synthetase functions in the citric acid cycle (TCA), coupling the hydrolysis of succinyl-CoA to the synthesis of either ATP or GTP and thus represents the only step of substrate-level phosphorylation in the TCA. The beta subunit provides nucleotide specificity of the enzyme and binds the substrate succinate, while the binding sites for coenzyme A and phosphate are found in the alpha subunit. | 0.917 |
| fccA | sucD | SO_0970 | SO_1933 | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | succinyl-CoA synthase alpha subunit SucD; Succinyl-CoA synthetase functions in the citric acid cycle (TCA), coupling the hydrolysis of succinyl-CoA to the synthesis of either ATP or GTP and thus represents the only step of substrate-level phosphorylation in the TCA. The alpha subunit of the enzyme binds the substrates coenzyme A and phosphate, while succinate binding and nucleotide specificity is provided by the beta subunit. | 0.916 |
| frdA | fccA | SO_0398 | SO_0970 | Quinol:fumarate reductase FAD-binding subunit FrdA. | Periplasmic fumarate reductase FccA; Catalyzes fumarate reduction using artificial electron donors such as methyl viologen. The physiological reductant is unknown, but evidence indicates that flavocytochrome c participates in electron transfer from formate to fumarate and possibly also to trimethylamine oxide (TMAO). This enzyme is essentially unidirectional (By similarity); In the C-terminal section; belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | 0.943 |
| frdA | frdB | SO_0398 | SO_0399 | Quinol:fumarate reductase FAD-binding subunit FrdA. | Quinol:fumarate reductase FeS subunit FrdB. | 0.999 |
| frdA | fumB | SO_0398 | SO_2222 | Quinol:fumarate reductase FAD-binding subunit FrdA. | Anaerobic fumarate hydratase FumB; Catalyzes the reversible hydration of fumarate to (S)-malate. Belongs to the class-I fumarase family. | 0.981 |
| frdA | ifcA | SO_0398 | SO_1421 | Quinol:fumarate reductase FAD-binding subunit FrdA. | Periplasmic tetraheme flavocytochrome IfcA; Belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | 0.936 |
| frdA | sdhA | SO_0398 | SO_1928 | Quinol:fumarate reductase FAD-binding subunit FrdA. | Succinate dehydrogenase flavoprotein subunit SdhA; Belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily. | 0.922 |
| frdA | sdhB | SO_0398 | SO_1929 | Quinol:fumarate reductase FAD-binding subunit FrdA. | Succinate dehydrogenase iron-sulfur protein SdhB; Belongs to the succinate dehydrogenase/fumarate reductase iron-sulfur protein family. | 0.997 |
| frdA | sdhC | SO_0398 | SO_1927 | Quinol:fumarate reductase FAD-binding subunit FrdA. | Succinate dehydrogenase cytochrome b556 subunit SdhC. | 0.990 |
| frdA | sdhD | SO_0398 | SO_4778 | Quinol:fumarate reductase FAD-binding subunit FrdA. | Succinate dehydrogenase membrane anchor subunit SdhD; Membrane-anchoring subunit of succinate dehydrogenase (SDH). | 0.985 |
| frdA | sucC | SO_0398 | SO_1932 | Quinol:fumarate reductase FAD-binding subunit FrdA. | succinyl-CoA synthase beta subunit SucC; Succinyl-CoA synthetase functions in the citric acid cycle (TCA), coupling the hydrolysis of succinyl-CoA to the synthesis of either ATP or GTP and thus represents the only step of substrate-level phosphorylation in the TCA. The beta subunit provides nucleotide specificity of the enzyme and binds the substrate succinate, while the binding sites for coenzyme A and phosphate are found in the alpha subunit. | 0.941 |
| frdA | sucD | SO_0398 | SO_1933 | Quinol:fumarate reductase FAD-binding subunit FrdA. | succinyl-CoA synthase alpha subunit SucD; Succinyl-CoA synthetase functions in the citric acid cycle (TCA), coupling the hydrolysis of succinyl-CoA to the synthesis of either ATP or GTP and thus represents the only step of substrate-level phosphorylation in the TCA. The alpha subunit of the enzyme binds the substrates coenzyme A and phosphate, while succinate binding and nucleotide specificity is provided by the beta subunit. | 0.944 |