| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| fdhF | hydN | STM4285 | STM2843 | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Similar to E. coli involved in electron transport from formate to hydrogen, Fe-S centers (AAC75755.1); Blastp hit to AAC75755.1 (175 aa), 95% identity in aa 1 - 173. | 0.726 |
| fdhF | nirD | STM4285 | STM3475 | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Nitrite reductase small subunit; Required for activity of the reductase. | 0.563 |
| fdhF | norV | STM4285 | STM2840 | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Putative flavoprotein; Anaerobic nitric oxide reductase; uses NADH to detoxify nitric oxide (NO), protecting several 4Fe-4S NO-sensitive enzymes. Has at least 2 reductase partners, only one of which (NorW, flavorubredoxin reductase) has been identified. NO probably binds to the di-iron center; electrons enter from the NorW at rubredoxin and are transferred sequentially to the FMN center and the di-iron center. Also able to function as an aerobic oxygen reductase; In the N-terminal section; belongs to the zinc metallo- hydrolase group 3 family. | 0.435 |
| fdhF | ygbD | STM4285 | STM2841 | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Putative oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase. | 0.922 |
| fdx | ygbD | STM2538 | STM2841 | [2FE-2S] ferredoxin; Electron carrer protein; believed to be involved in assembly of Fe-S clusters; similar to E. coli [2FE-2S] ferredoxin, electron carrer protein (AAC75578.1); Blastp hit to AAC75578.1 (111 aa), 94% identity in aa 1 - 111. | Putative oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase. | 0.689 |
| hcr | norV | STM0936 | STM2840 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Putative flavoprotein; Anaerobic nitric oxide reductase; uses NADH to detoxify nitric oxide (NO), protecting several 4Fe-4S NO-sensitive enzymes. Has at least 2 reductase partners, only one of which (NorW, flavorubredoxin reductase) has been identified. NO probably binds to the di-iron center; electrons enter from the NorW at rubredoxin and are transferred sequentially to the FMN center and the di-iron center. Also able to function as an aerobic oxygen reductase; In the N-terminal section; belongs to the zinc metallo- hydrolase group 3 family. | 0.554 |
| hcr | ygbD | STM0936 | STM2841 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Putative oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase. | 0.695 |
| hisI | ygbD | STM2078 | STM2841 | phosphoribosyl-AMP cyclohydrolase; Bifunctional; histidine biosynthesis bifunctional protein HISIE [includes:phosphoribosyl-amp cyclohydrolase ]. (SW:HIS2_SALTY); phosphoribosyl-ATP pyrophosphatase; In the C-terminal section; belongs to the PRA-PH family. | Putative oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase. | 0.686 |
| hydN | fdhF | STM2843 | STM4285 | Similar to E. coli involved in electron transport from formate to hydrogen, Fe-S centers (AAC75755.1); Blastp hit to AAC75755.1 (175 aa), 95% identity in aa 1 - 173. | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | 0.726 |
| hydN | hypF | STM2843 | STM2842 | Similar to E. coli involved in electron transport from formate to hydrogen, Fe-S centers (AAC75755.1); Blastp hit to AAC75755.1 (175 aa), 95% identity in aa 1 - 173. | Hydrogenase maturation protein; Involved in the maturation of [NiFe] hydrogenases. Along with HypE, it catalyzes the synthesis of the CN ligands of the active site iron of [NiFe]-hydrogenases. HypF functions as a carbamoyl transferase using carbamoylphosphate as a substrate and transferring the carboxamido moiety in an ATP-dependent reaction to the thiolate of the C-terminal cysteine of HypE yielding a protein-S-carboxamide. | 0.891 |
| hydN | norV | STM2843 | STM2840 | Similar to E. coli involved in electron transport from formate to hydrogen, Fe-S centers (AAC75755.1); Blastp hit to AAC75755.1 (175 aa), 95% identity in aa 1 - 173. | Putative flavoprotein; Anaerobic nitric oxide reductase; uses NADH to detoxify nitric oxide (NO), protecting several 4Fe-4S NO-sensitive enzymes. Has at least 2 reductase partners, only one of which (NorW, flavorubredoxin reductase) has been identified. NO probably binds to the di-iron center; electrons enter from the NorW at rubredoxin and are transferred sequentially to the FMN center and the di-iron center. Also able to function as an aerobic oxygen reductase; In the N-terminal section; belongs to the zinc metallo- hydrolase group 3 family. | 0.495 |
| hydN | ygbD | STM2843 | STM2841 | Similar to E. coli involved in electron transport from formate to hydrogen, Fe-S centers (AAC75755.1); Blastp hit to AAC75755.1 (175 aa), 95% identity in aa 1 - 173. | Putative oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase. | 0.775 |
| hypF | hydN | STM2842 | STM2843 | Hydrogenase maturation protein; Involved in the maturation of [NiFe] hydrogenases. Along with HypE, it catalyzes the synthesis of the CN ligands of the active site iron of [NiFe]-hydrogenases. HypF functions as a carbamoyl transferase using carbamoylphosphate as a substrate and transferring the carboxamido moiety in an ATP-dependent reaction to the thiolate of the C-terminal cysteine of HypE yielding a protein-S-carboxamide. | Similar to E. coli involved in electron transport from formate to hydrogen, Fe-S centers (AAC75755.1); Blastp hit to AAC75755.1 (175 aa), 95% identity in aa 1 - 173. | 0.891 |
| hypF | norV | STM2842 | STM2840 | Hydrogenase maturation protein; Involved in the maturation of [NiFe] hydrogenases. Along with HypE, it catalyzes the synthesis of the CN ligands of the active site iron of [NiFe]-hydrogenases. HypF functions as a carbamoyl transferase using carbamoylphosphate as a substrate and transferring the carboxamido moiety in an ATP-dependent reaction to the thiolate of the C-terminal cysteine of HypE yielding a protein-S-carboxamide. | Putative flavoprotein; Anaerobic nitric oxide reductase; uses NADH to detoxify nitric oxide (NO), protecting several 4Fe-4S NO-sensitive enzymes. Has at least 2 reductase partners, only one of which (NorW, flavorubredoxin reductase) has been identified. NO probably binds to the di-iron center; electrons enter from the NorW at rubredoxin and are transferred sequentially to the FMN center and the di-iron center. Also able to function as an aerobic oxygen reductase; In the N-terminal section; belongs to the zinc metallo- hydrolase group 3 family. | 0.428 |
| hypF | ygbD | STM2842 | STM2841 | Hydrogenase maturation protein; Involved in the maturation of [NiFe] hydrogenases. Along with HypE, it catalyzes the synthesis of the CN ligands of the active site iron of [NiFe]-hydrogenases. HypF functions as a carbamoyl transferase using carbamoylphosphate as a substrate and transferring the carboxamido moiety in an ATP-dependent reaction to the thiolate of the C-terminal cysteine of HypE yielding a protein-S-carboxamide. | Putative oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase. | 0.824 |
| napA | nirD | STM2259 | STM3475 | Periplasmic large subunit nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrite reductase small subunit; Required for activity of the reductase. | 0.942 |
| napA | ygbD | STM2259 | STM2841 | Periplasmic large subunit nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Putative oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase. | 0.901 |
| nirD | fdhF | STM3475 | STM4285 | Nitrite reductase small subunit; Required for activity of the reductase. | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | 0.563 |
| nirD | napA | STM3475 | STM2259 | Nitrite reductase small subunit; Required for activity of the reductase. | Periplasmic large subunit nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | 0.942 |
| nirD | ygbD | STM3475 | STM2841 | Nitrite reductase small subunit; Required for activity of the reductase. | Putative oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase. | 0.904 |