| node1 | node2 | node1 annotation | node2 annotation | score |
| SYN_00256 | SYN_00257 | Methyl-viologen-reducing hydrogenase, delta subunit. | Heterodisulfide reductase, subunit A. | 0.991 |
| SYN_00256 | SYN_00625 | Methyl-viologen-reducing hydrogenase, delta subunit. | Iron-sulfur protein associated with hydrogenases. | 0.915 |
| SYN_00256 | SYN_00626 | Methyl-viologen-reducing hydrogenase, delta subunit. | Heterodisulfide reductase, subunit A and related polyferredoxins. | 0.982 |
| SYN_00256 | SYN_01644 | Methyl-viologen-reducing hydrogenase, delta subunit. | Heterodisulfide reductase, subunit A. | 0.754 |
| SYN_00256 | SYN_01645 | Methyl-viologen-reducing hydrogenase, delta subunit. | Heterodisulfide reductase, subunit A. | 0.984 |
| SYN_00256 | SYN_01646 | Methyl-viologen-reducing hydrogenase, delta subunit. | Methyl-viologen-reducing hydrogenase, delta subunit. | 0.909 |
| SYN_00256 | SYN_02422 | Methyl-viologen-reducing hydrogenase, delta subunit. | Heterodisulfide reductase, subunit A. | 0.763 |
| SYN_00256 | SYN_02423 | Methyl-viologen-reducing hydrogenase, delta subunit. | Heterodisulfide reductase, subunit A. | 0.984 |
| SYN_00256 | SYN_02424 | Methyl-viologen-reducing hydrogenase, delta subunit. | Methyl-viologen-reducing hydrogenase, delta subunit. | 0.908 |
| SYN_00256 | SYN_03215 | Methyl-viologen-reducing hydrogenase, delta subunit. | Heterodisulfide reductase, subunit A. | 0.984 |
| SYN_00257 | SYN_00256 | Heterodisulfide reductase, subunit A. | Methyl-viologen-reducing hydrogenase, delta subunit. | 0.991 |
| SYN_00257 | SYN_00625 | Heterodisulfide reductase, subunit A. | Iron-sulfur protein associated with hydrogenases. | 0.998 |
| SYN_00257 | SYN_00626 | Heterodisulfide reductase, subunit A. | Heterodisulfide reductase, subunit A and related polyferredoxins. | 0.901 |
| SYN_00257 | SYN_01644 | Heterodisulfide reductase, subunit A. | Heterodisulfide reductase, subunit A. | 0.867 |
| SYN_00257 | SYN_01645 | Heterodisulfide reductase, subunit A. | Heterodisulfide reductase, subunit A. | 0.900 |
| SYN_00257 | SYN_01646 | Heterodisulfide reductase, subunit A. | Methyl-viologen-reducing hydrogenase, delta subunit. | 0.984 |
| SYN_00257 | SYN_02422 | Heterodisulfide reductase, subunit A. | Heterodisulfide reductase, subunit A. | 0.869 |
| SYN_00257 | SYN_02423 | Heterodisulfide reductase, subunit A. | Heterodisulfide reductase, subunit A. | 0.900 |
| SYN_00257 | SYN_02424 | Heterodisulfide reductase, subunit A. | Methyl-viologen-reducing hydrogenase, delta subunit. | 0.984 |
| SYN_00257 | SYN_03215 | Heterodisulfide reductase, subunit A. | Heterodisulfide reductase, subunit A. | 0.900 |