| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| AraJ-3 | FrhB | PTH_0628 | PTH_1492 | Arabinose efflux permease. | Coenzyme F420-reducing hydrogenase, beta subunit. | 0.757 |
| CitB-2 | FrhB | PTH_1350 | PTH_1492 | Response regulator; Citrate/malate metabolism. | Coenzyme F420-reducing hydrogenase, beta subunit. | 0.736 |
| DsrA | FrhB | PTH_0242 | PTH_1492 | Dissimilatory sulfite reductase (desulfoviridin), alpha and beta subunits; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | Coenzyme F420-reducing hydrogenase, beta subunit. | 0.898 |
| FrhB | AraJ-3 | PTH_1492 | PTH_0628 | Coenzyme F420-reducing hydrogenase, beta subunit. | Arabinose efflux permease. | 0.757 |
| FrhB | CitB-2 | PTH_1492 | PTH_1350 | Coenzyme F420-reducing hydrogenase, beta subunit. | Response regulator; Citrate/malate metabolism. | 0.736 |
| FrhB | DsrA | PTH_1492 | PTH_0242 | Coenzyme F420-reducing hydrogenase, beta subunit. | Dissimilatory sulfite reductase (desulfoviridin), alpha and beta subunits; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.898 |
| FrhB | GltB-2 | PTH_1492 | PTH_0734 | Coenzyme F420-reducing hydrogenase, beta subunit. | Glutamate synthase domain 2. | 0.729 |
| FrhB | HdrA | PTH_1492 | PTH_1410 | Coenzyme F420-reducing hydrogenase, beta subunit. | Heterodisulfide reductase, subunit A and related polyferredoxins. | 0.699 |
| FrhB | HdrA-2 | PTH_1492 | PTH_1411 | Coenzyme F420-reducing hydrogenase, beta subunit. | Heterodisulfide reductase, subunit A and related polyferredoxins. | 0.699 |
| FrhB | HyaB | PTH_1492 | PTH_1702 | Coenzyme F420-reducing hydrogenase, beta subunit. | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | 0.832 |
| FrhB | PTH_1711 | PTH_1492 | PTH_1711 | Coenzyme F420-reducing hydrogenase, beta subunit. | Hypothetical formate dehydrogenase; Containing partial COG3383, Uncharacterized anaerobic dehydrogenase. | 0.736 |
| FrhB | PrpD | PTH_1492 | PTH_1493 | Coenzyme F420-reducing hydrogenase, beta subunit. | Uncharacterized protein; Involved in propionate catabolism. | 0.735 |
| FrhB | SdhB-2 | PTH_1492 | PTH_1490 | Coenzyme F420-reducing hydrogenase, beta subunit. | Succinate dehydrogenase/fumarate reductase, Fe-S protein subunit. | 0.641 |
| GltB-2 | FrhB | PTH_0734 | PTH_1492 | Glutamate synthase domain 2. | Coenzyme F420-reducing hydrogenase, beta subunit. | 0.729 |
| GltB-2 | HdrA | PTH_0734 | PTH_1410 | Glutamate synthase domain 2. | Heterodisulfide reductase, subunit A and related polyferredoxins. | 0.473 |
| GltB-2 | HdrA-2 | PTH_0734 | PTH_1411 | Glutamate synthase domain 2. | Heterodisulfide reductase, subunit A and related polyferredoxins. | 0.473 |
| GltB-2 | HyaB | PTH_0734 | PTH_1702 | Glutamate synthase domain 2. | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | 0.442 |
| GltB-2 | PTH_1711 | PTH_0734 | PTH_1711 | Glutamate synthase domain 2. | Hypothetical formate dehydrogenase; Containing partial COG3383, Uncharacterized anaerobic dehydrogenase. | 0.739 |
| HdrA | FrhB | PTH_1410 | PTH_1492 | Heterodisulfide reductase, subunit A and related polyferredoxins. | Coenzyme F420-reducing hydrogenase, beta subunit. | 0.699 |
| HdrA | GltB-2 | PTH_1410 | PTH_0734 | Heterodisulfide reductase, subunit A and related polyferredoxins. | Glutamate synthase domain 2. | 0.473 |