| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| fdh | fdhA-1 | RCIX2285 | RCIX1628 | NAD-dependent formaldehyde dehydrogenase. | Formate dehydrogenase, alpha subunit. | 0.909 |
| fdh | fmdB | RCIX2285 | RCIX1641 | NAD-dependent formaldehyde dehydrogenase. | Predicted molybdenum formylmethanofuran dehydrogenase, subunit B. | 0.900 |
| fdh | fmdD | RCIX2285 | RCIX1642 | NAD-dependent formaldehyde dehydrogenase. | Molybdenum formylmethanofuran dehydrogenase,subunit D. | 0.900 |
| fdh | fwdA-1 | RCIX2285 | RCIX600 | NAD-dependent formaldehyde dehydrogenase. | Tungsten formylmethanofuran dehydrogenase,subunit A. | 0.900 |
| fdh | fwdA-2 | RCIX2285 | RRC262 | NAD-dependent formaldehyde dehydrogenase. | Tungsten formylmethanofuran dehydrogenase,subunit A. | 0.900 |
| fdh | fwdC-1 | RCIX2285 | RCIX601 | NAD-dependent formaldehyde dehydrogenase. | Tungsten formylmethanofuran dehydrogenase,subunit C. | 0.900 |
| fdh | fwdC-2 | RCIX2285 | RRC263 | NAD-dependent formaldehyde dehydrogenase. | Tungsten formylmethanofuran dehydrogenase,subunit C. | 0.900 |
| fdh | fwdD-1 | RCIX2285 | RCIX598 | NAD-dependent formaldehyde dehydrogenase. | Tungsten formylmethanofuran dehydrogenase,subunit D. | 0.900 |
| fdh | fwdD-2 | RCIX2285 | RRC260 | NAD-dependent formaldehyde dehydrogenase. | Tungsten formylmethanofuran dehydrogenase,subunit D. | 0.900 |
| fdhA-1 | fdh | RCIX1628 | RCIX2285 | Formate dehydrogenase, alpha subunit. | NAD-dependent formaldehyde dehydrogenase. | 0.909 |
| fdhA-1 | fmdB | RCIX1628 | RCIX1641 | Formate dehydrogenase, alpha subunit. | Predicted molybdenum formylmethanofuran dehydrogenase, subunit B. | 0.913 |
| fdhA-1 | fmdD | RCIX1628 | RCIX1642 | Formate dehydrogenase, alpha subunit. | Molybdenum formylmethanofuran dehydrogenase,subunit D. | 0.836 |
| fdhA-1 | fwdA-1 | RCIX1628 | RCIX600 | Formate dehydrogenase, alpha subunit. | Tungsten formylmethanofuran dehydrogenase,subunit A. | 0.913 |
| fdhA-1 | fwdA-2 | RCIX1628 | RRC262 | Formate dehydrogenase, alpha subunit. | Tungsten formylmethanofuran dehydrogenase,subunit A. | 0.913 |
| fdhA-1 | fwdC-1 | RCIX1628 | RCIX601 | Formate dehydrogenase, alpha subunit. | Tungsten formylmethanofuran dehydrogenase,subunit C. | 0.753 |
| fdhA-1 | fwdC-2 | RCIX1628 | RRC263 | Formate dehydrogenase, alpha subunit. | Tungsten formylmethanofuran dehydrogenase,subunit C. | 0.753 |
| fdhA-1 | fwdD-1 | RCIX1628 | RCIX598 | Formate dehydrogenase, alpha subunit. | Tungsten formylmethanofuran dehydrogenase,subunit D. | 0.836 |
| fdhA-1 | fwdD-2 | RCIX1628 | RRC260 | Formate dehydrogenase, alpha subunit. | Tungsten formylmethanofuran dehydrogenase,subunit D. | 0.836 |
| fmdB | fdh | RCIX1641 | RCIX2285 | Predicted molybdenum formylmethanofuran dehydrogenase, subunit B. | NAD-dependent formaldehyde dehydrogenase. | 0.900 |
| fmdB | fdhA-1 | RCIX1641 | RCIX1628 | Predicted molybdenum formylmethanofuran dehydrogenase, subunit B. | Formate dehydrogenase, alpha subunit. | 0.913 |