| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| apbC | hypA | SO_2618 | SO_2089 | Scaffold protein for [4Fe-4S] cluster assembly ApbC; Binds and transfers iron-sulfur (Fe-S) clusters to target apoproteins. Can hydrolyze ATP; Belongs to the Mrp/NBP35 ATP-binding proteins family. | NiFe hydrogenase nickel incorporation protein HypA; Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. | 0.823 |
| hyaA | hyaB | SO_2099 | SO_2098 | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | 0.999 |
| hyaA | hyaC | SO_2099 | SO_2097 | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | Periplasmic [Ni-Fe] hydrogenase cytochrome b subunit HyaC. | 0.999 |
| hyaA | hyaD | SO_2099 | SO_2096 | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | NiFe hydrogenase maturation protease HyaD. | 0.975 |
| hyaA | hypA | SO_2099 | SO_2089 | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | NiFe hydrogenase nickel incorporation protein HypA; Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. | 0.971 |
| hyaA | hypB | SO_2099 | SO_2093 | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | Ni2+-binding GTPase involved in regulation of NiFe hydrogenase expression and maturation HypB. | 0.932 |
| hyaA | hypC | SO_2099 | SO_2092 | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | NiFe hydrogenase assembly chaperone HypC. | 0.911 |
| hyaA | hypD | SO_2099 | SO_2091 | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | NiFe hydrogenase expression/formation protein HypD; Belongs to the HypD family. | 0.884 |
| hyaA | hypE | SO_2099 | SO_2090 | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | NiFe hydrogenase accessory/formation protein HypE. | 0.879 |
| hyaA | hypF | SO_2099 | SO_2094 | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | NiFe hydrogenase maturation protein HypF; 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. | 0.941 |
| hyaB | hyaA | SO_2098 | SO_2099 | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | 0.999 |
| hyaB | hyaC | SO_2098 | SO_2097 | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Periplasmic [Ni-Fe] hydrogenase cytochrome b subunit HyaC. | 0.998 |
| hyaB | hyaD | SO_2098 | SO_2096 | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | NiFe hydrogenase maturation protease HyaD. | 0.978 |
| hyaB | hypA | SO_2098 | SO_2089 | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | NiFe hydrogenase nickel incorporation protein HypA; Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. | 0.984 |
| hyaB | hypB | SO_2098 | SO_2093 | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | Ni2+-binding GTPase involved in regulation of NiFe hydrogenase expression and maturation HypB. | 0.907 |
| hyaB | hypC | SO_2098 | SO_2092 | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | NiFe hydrogenase assembly chaperone HypC. | 0.923 |
| hyaB | hypD | SO_2098 | SO_2091 | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | NiFe hydrogenase expression/formation protein HypD; Belongs to the HypD family. | 0.924 |
| hyaB | hypE | SO_2098 | SO_2090 | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | NiFe hydrogenase accessory/formation protein HypE. | 0.896 |
| hyaB | hypF | SO_2098 | SO_2094 | Periplasmic [Ni-Fe] hydrogenase large subunit HyaB; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. | NiFe hydrogenase maturation protein HypF; 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. | 0.956 |
| hyaC | hyaA | SO_2097 | SO_2099 | Periplasmic [Ni-Fe] hydrogenase cytochrome b subunit HyaC. | Periplasmic [Ni-Fe] hydrogenase small subunit HyaA. | 0.999 |