| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| HyaA | HyaB | PTH_1701 | PTH_1702 | Ni,Fe-hydrogenase I small subunit. | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | 0.999 |
| HyaA | HyaD | PTH_1701 | PTH_1700 | Ni,Fe-hydrogenase I small subunit. | Ni,Fe-hydrogenase maturation factor. | 0.903 |
| HyaA | HybF | PTH_1701 | PTH_1694 | Ni,Fe-hydrogenase I small subunit. | Zn finger protein HypA/HybF; Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. | 0.523 |
| HyaA | HycB | PTH_1701 | PTH_0486 | Ni,Fe-hydrogenase I small subunit. | Fe-S-cluster; Containing hydrogenase components 2. | 0.924 |
| HyaA | HycB-2 | PTH_1701 | PTH_0609 | Ni,Fe-hydrogenase I small subunit. | Fe-S-cluster-containing hydrogenase components 2. | 0.924 |
| HyaA | HypD | PTH_1701 | PTH_1698 | Ni,Fe-hydrogenase I small subunit. | Hydrogenase maturation factor. | 0.865 |
| HyaA | HypE | PTH_1701 | PTH_1699 | Ni,Fe-hydrogenase I small subunit. | Hydrogenase maturation factor. | 0.872 |
| HyaA | HypF | PTH_1701 | PTH_1696 | Ni,Fe-hydrogenase I small subunit. | Hydrogenase maturation factor. | 0.878 |
| HyaB | HyaA | PTH_1702 | PTH_1701 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Ni,Fe-hydrogenase I small subunit. | 0.999 |
| HyaB | HyaD | PTH_1702 | PTH_1700 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Ni,Fe-hydrogenase maturation factor. | 0.935 |
| HyaB | HybF | PTH_1702 | PTH_1694 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Zn finger protein HypA/HybF; Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. | 0.904 |
| HyaB | HycB | PTH_1702 | PTH_0486 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Fe-S-cluster; Containing hydrogenase components 2. | 0.922 |
| HyaB | HycB-2 | PTH_1702 | PTH_0609 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Fe-S-cluster-containing hydrogenase components 2. | 0.922 |
| HyaB | HypD | PTH_1702 | PTH_1698 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Hydrogenase maturation factor. | 0.908 |
| HyaB | HypE | PTH_1702 | PTH_1699 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Hydrogenase maturation factor. | 0.887 |
| HyaB | HypF | PTH_1702 | PTH_1696 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Hydrogenase maturation factor. | 0.888 |
| HyaB | PTH_2234 | PTH_1702 | PTH_2234 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Uncharacterized conserved protein; Containing a ferredoxin-like domain. | 0.875 |
| HyaB | RnfC | PTH_1702 | PTH_1407 | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Predicted NADH:ubiquinone oxidoreductase, subunit RnfC. | 0.888 |
| HyaD | HyaA | PTH_1700 | PTH_1701 | Ni,Fe-hydrogenase maturation factor. | Ni,Fe-hydrogenase I small subunit. | 0.903 |
| HyaD | HyaB | PTH_1700 | PTH_1702 | Ni,Fe-hydrogenase maturation factor. | Ni,Fe-hydrogenase I large subunit; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | 0.935 |