| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| hycF | hycH | HMPREF0621_1026 | HMPREF0621_1028 | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | 0.938 |
| hycF | hycI | HMPREF0621_1026 | HMPREF0621_1029 | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | Hydrogenase maturation peptidase HycI; COG: COG0680; Pfam: PF01750; InterPro: IPR004420. | 0.919 |
| hycF | hyfB | HMPREF0621_1026 | HMPREF0621_1020 | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | Hydrogenase 4 subunit B; COG: COG0651; Pfam: PF00361; InterPro: IPR001750. | 0.953 |
| hycF | hyfC | HMPREF0621_1026 | HMPREF0621_1021 | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | NADH dehydrogenase; COG: COG0650; Pfam: PF00146; InterPro: IPR001694. | 0.974 |
| hycF | hyfE | HMPREF0621_1026 | HMPREF0621_1023 | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L; COG: COG4237; Pfam: PF00420. | 0.928 |
| hycF | hyfF | HMPREF0621_1026 | HMPREF0621_1024 | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | Hydrogenase 4 subunit F; COG: COG0651; Pfam: PF00361; InterPro: IPR001750. | 0.953 |
| hycF | hyfG | HMPREF0621_1026 | HMPREF0621_1025 | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | Respiratory-chain NADH dehydrogenase, 30 Kd subunit; COG: COG3261; Pfam: PF00329,PF00374,PF00346; InterPro: IPR001135. | 0.999 |
| hycF | hyfI | HMPREF0621_1026 | HMPREF0621_1027 | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | NADH ubiquinone oxidoreductase, 20 Kd subunit; COG: COG3260; Pfam: PF01058; InterPro: IPR014406. | 0.989 |
| hycF | phaAB | HMPREF0621_1026 | HMPREF0621_1022 | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | NADH-ubiquinone/plastoquinone (complex I) family protein; COG: COG1009; Pfam: PF00361; InterPro: IPR001750. | 0.996 |
| hycH | hycF | HMPREF0621_1028 | HMPREF0621_1026 | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | 0.938 |
| hycH | hycI | HMPREF0621_1028 | HMPREF0621_1029 | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | Hydrogenase maturation peptidase HycI; COG: COG0680; Pfam: PF01750; InterPro: IPR004420. | 0.930 |
| hycH | hyfB | HMPREF0621_1028 | HMPREF0621_1020 | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | Hydrogenase 4 subunit B; COG: COG0651; Pfam: PF00361; InterPro: IPR001750. | 0.923 |
| hycH | hyfC | HMPREF0621_1028 | HMPREF0621_1021 | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | NADH dehydrogenase; COG: COG0650; Pfam: PF00146; InterPro: IPR001694. | 0.930 |
| hycH | hyfE | HMPREF0621_1028 | HMPREF0621_1023 | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L; COG: COG4237; Pfam: PF00420. | 0.929 |
| hycH | hyfF | HMPREF0621_1028 | HMPREF0621_1024 | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | Hydrogenase 4 subunit F; COG: COG0651; Pfam: PF00361; InterPro: IPR001750. | 0.908 |
| hycH | hyfG | HMPREF0621_1028 | HMPREF0621_1025 | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | Respiratory-chain NADH dehydrogenase, 30 Kd subunit; COG: COG3261; Pfam: PF00329,PF00374,PF00346; InterPro: IPR001135. | 0.966 |
| hycH | hyfI | HMPREF0621_1028 | HMPREF0621_1027 | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | NADH ubiquinone oxidoreductase, 20 Kd subunit; COG: COG3260; Pfam: PF01058; InterPro: IPR014406. | 0.949 |
| hycH | phaAB | HMPREF0621_1028 | HMPREF0621_1022 | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | NADH-ubiquinone/plastoquinone (complex I) family protein; COG: COG1009; Pfam: PF00361; InterPro: IPR001750. | 0.907 |
| hycI | hycF | HMPREF0621_1029 | HMPREF0621_1026 | Hydrogenase maturation peptidase HycI; COG: COG0680; Pfam: PF01750; InterPro: IPR004420. | 4Fe-4S binding domain protein; COG: COG1143; Pfam: PF00037. | 0.919 |
| hycI | hycH | HMPREF0621_1029 | HMPREF0621_1028 | Hydrogenase maturation peptidase HycI; COG: COG0680; Pfam: PF01750; InterPro: IPR004420. | Formate hydrogenlyase maturation protein HycH; Pfam: PF07450; InterPro: IPR010005. | 0.930 |