| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| Cla_0431 | napA | Cla_0431 | Cla_1018 | Conserved hypothetical protein. | Periplasmic nitrate reductase, large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | 0.550 |
| Cla_0431 | napB | Cla_0431 | Cla_1015 | Conserved hypothetical protein. | Periplasmic nitrate reductase, small subunit, cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.730 |
| Cla_0431 | nrfA | Cla_0431 | Cla_1024 | Conserved hypothetical protein. | Cytochrome c nitrite reductase, catalytic subunit NrfA; Pfam match to PF02335.6 Cytochrom_C552; Belongs to the cytochrome c-552 family. | 0.564 |
| Cla_0809 | ccsBA | Cla_0809 | Cla_1116 | Cytochrome c biogenesis protein; Pfam match to PF01578.11 Cytochrom_C_asm. | Cytochrome c biogenesis protein, CcmF/CycK/CcsA family; Pfam match to PF01578.11 Cytochrom_C_asm. | 0.961 |
| Cla_0809 | nrfA | Cla_0809 | Cla_1024 | Cytochrome c biogenesis protein; Pfam match to PF01578.11 Cytochrom_C_asm. | Cytochrome c nitrite reductase, catalytic subunit NrfA; Pfam match to PF02335.6 Cytochrom_C552; Belongs to the cytochrome c-552 family. | 0.599 |
| Cla_1158 | gdhA | Cla_1158 | Cla_1290 | Hydrolase, carbon-nitrogen family. | Glutamate dehydrogenase; Pfam matches to PF02812.9 ELFV_dehydrog_N, and to PF00208.12 ELFV_dehydrog; Belongs to the Glu/Leu/Phe/Val dehydrogenases family. | 0.927 |
| Cla_1158 | glnA | Cla_1158 | Cla_1007 | Hydrolase, carbon-nitrogen family. | Glutamine synthetase; Pfam matches to PF03951.10 Gln-synt_N, and to PF00120.15 Gln-synt_C; Belongs to the glutamine synthetase family. | 0.914 |
| Cla_1158 | nrfA | Cla_1158 | Cla_1024 | Hydrolase, carbon-nitrogen family. | Cytochrome c nitrite reductase, catalytic subunit NrfA; Pfam match to PF02335.6 Cytochrom_C552; Belongs to the cytochrome c-552 family. | 0.900 |
| Cla_1158 | nrfH | Cla_1158 | Cla_1023 | Hydrolase, carbon-nitrogen family. | Cytochrome c nitrite reductase, small subunit NrfH. | 0.900 |
| ccsBA | Cla_0809 | Cla_1116 | Cla_0809 | Cytochrome c biogenesis protein, CcmF/CycK/CcsA family; Pfam match to PF01578.11 Cytochrom_C_asm. | Cytochrome c biogenesis protein; Pfam match to PF01578.11 Cytochrom_C_asm. | 0.961 |
| ccsBA | nrfA | Cla_1116 | Cla_1024 | Cytochrome c biogenesis protein, CcmF/CycK/CcsA family; Pfam match to PF01578.11 Cytochrom_C_asm. | Cytochrome c nitrite reductase, catalytic subunit NrfA; Pfam match to PF02335.6 Cytochrom_C552; Belongs to the cytochrome c-552 family. | 0.628 |
| gdhA | Cla_1158 | Cla_1290 | Cla_1158 | Glutamate dehydrogenase; Pfam matches to PF02812.9 ELFV_dehydrog_N, and to PF00208.12 ELFV_dehydrog; Belongs to the Glu/Leu/Phe/Val dehydrogenases family. | Hydrolase, carbon-nitrogen family. | 0.927 |
| gdhA | glnA | Cla_1290 | Cla_1007 | Glutamate dehydrogenase; Pfam matches to PF02812.9 ELFV_dehydrog_N, and to PF00208.12 ELFV_dehydrog; Belongs to the Glu/Leu/Phe/Val dehydrogenases family. | Glutamine synthetase; Pfam matches to PF03951.10 Gln-synt_N, and to PF00120.15 Gln-synt_C; Belongs to the glutamine synthetase family. | 0.924 |
| gdhA | nrfA | Cla_1290 | Cla_1024 | Glutamate dehydrogenase; Pfam matches to PF02812.9 ELFV_dehydrog_N, and to PF00208.12 ELFV_dehydrog; Belongs to the Glu/Leu/Phe/Val dehydrogenases family. | Cytochrome c nitrite reductase, catalytic subunit NrfA; Pfam match to PF02335.6 Cytochrom_C552; Belongs to the cytochrome c-552 family. | 0.934 |
| gdhA | nrfH | Cla_1290 | Cla_1023 | Glutamate dehydrogenase; Pfam matches to PF02812.9 ELFV_dehydrog_N, and to PF00208.12 ELFV_dehydrog; Belongs to the Glu/Leu/Phe/Val dehydrogenases family. | Cytochrome c nitrite reductase, small subunit NrfH. | 0.938 |
| glnA | Cla_1158 | Cla_1007 | Cla_1158 | Glutamine synthetase; Pfam matches to PF03951.10 Gln-synt_N, and to PF00120.15 Gln-synt_C; Belongs to the glutamine synthetase family. | Hydrolase, carbon-nitrogen family. | 0.914 |
| glnA | gdhA | Cla_1007 | Cla_1290 | Glutamine synthetase; Pfam matches to PF03951.10 Gln-synt_N, and to PF00120.15 Gln-synt_C; Belongs to the glutamine synthetase family. | Glutamate dehydrogenase; Pfam matches to PF02812.9 ELFV_dehydrog_N, and to PF00208.12 ELFV_dehydrog; Belongs to the Glu/Leu/Phe/Val dehydrogenases family. | 0.924 |
| glnA | nrfA | Cla_1007 | Cla_1024 | Glutamine synthetase; Pfam matches to PF03951.10 Gln-synt_N, and to PF00120.15 Gln-synt_C; Belongs to the glutamine synthetase family. | Cytochrome c nitrite reductase, catalytic subunit NrfA; Pfam match to PF02335.6 Cytochrom_C552; Belongs to the cytochrome c-552 family. | 0.910 |
| glnA | nrfH | Cla_1007 | Cla_1023 | Glutamine synthetase; Pfam matches to PF03951.10 Gln-synt_N, and to PF00120.15 Gln-synt_C; Belongs to the glutamine synthetase family. | Cytochrome c nitrite reductase, small subunit NrfH. | 0.903 |
| napA | Cla_0431 | Cla_1018 | Cla_0431 | Periplasmic nitrate reductase, large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Conserved hypothetical protein. | 0.550 |