| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Methanococcus maripaludis S2 | MMP_RS03455 | | radical SAM protein | no data | 100 | 100 |
| o | Methanococcus maripaludis JJ | MMJJ_RS01600 | | radical SAM protein | strong | 98 | 100 |
| | Klebsiella michiganensis M5al | BWI76_RS18895 | | nitrogenase cofactor biosynthesis protein NifB | sig. | 41 | 90 |
| | Rhodopseudomonas palustris CGA009 | TX73_024045 | | nitrogenase cofactor biosynthesis protein NifB | strong | 40 | 93 |
| | Dickeya dadantii 3937 | DDA3937_RS18800 | | nitrogenase cofactor biosynthesis protein NifB | insig. | 42 | 92 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2622 | | nitrogenase cofactor biosynthesis protein NifB (RefSeq) | strong | 43 | 90 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVUA0007 | nifB | nitrogenase cofactor biosynthesis protein NifB (TIGR) | strong | 41 | 88 |
| | Rahnella sp. WP5 | EX31_RS15400 | | nitrogenase cofactor biosynthesis protein NifB | insig. | 40 | 92 |
| | Rhodopseudomonas palustris CGA009 | TX73_013640 | | radical SAM protein | strong | 43 | 89 |
| | Methylophilus sp. DMC18 | GFF155 | | FeMo cofactor biosynthesis protein NifB | insig. | 41 | 90 |
| | Rhodospirillum rubrum S1H | Rru_A0796 | | Radical SAM (NCBI) | insig. | 43 | 87 |
| | Azospirillum sp. SherDot2 | MPMX19_01842 | | FeMo cofactor biosynthesis protein NifB | insig. | 40 | 90 |
| | Xanthobacter sp. DMC5 | GFF4864 | | FeMo cofactor biosynthesis protein NifB | insig. | 40 | 90 |
| | Rhodospirillum rubrum S1H | Rru_A0994 | | Nitrogenase cofactor biosynthesis protein NifB (NCBI) | strong | 41 | 90 |
| | Dickeya dianthicola 67-19 | HGI48_RS18780 | | nitrogenase cofactor biosynthesis protein NifB | insig. | 41 | 92 |
| | Dickeya dianthicola ME23 | DZA65_RS19915 | | nitrogenase cofactor biosynthesis protein NifB | insig. | 41 | 92 |
| | Rhodopseudomonas palustris CGA009 | TX73_012170 | | radical SAM protein | insig. | 42 | 89 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS14385 | | FeMo cofactor biosynthesis protein NifB | strong | 39 | 90 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07985 | | nitrogenase cofactor biosynthesis protein NifB | cofit | 41 | 88 |
| | Azospirillum brasilense Sp245 | AZOBR_RS05665 | | FeMo cofactor biosynthesis protein NifB | strong | 39 | 92 |
| | Dechlorosoma suillum PS | Dsui_0943 | | nitrogenase cofactor biosynthesis protein NifB | cofit | 39 | 92 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS42245 | | nitrogenase cofactor biosynthesis protein NifB | insig. | 39 | 90 |
| | Sinorhizobium meliloti 1021 | SMa0814 | | NifB FeMo cofactor biosynthesis protein | insig. | 36 | 93 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3054 | | Radical SAM domain protein (RefSeq) | insig. | 39 | 87 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2618 | | Dinitrogenase iron-molybdenum cofactor biosynthesis protein (RefSeq) | insig. | 32 | 69 |
| | Methanococcus maripaludis JJ | MMJJ_RS02055 | | GTP 3',8-cyclase MoaA | strong | 27 | 71 |
| | Methanococcus maripaludis S2 | MMP_RS03015 | | GTP 3' 8-cyclase MoaA | strong | 26 | 71 |
| | Agrobacterium fabrum C58 | Atu1695 | | molybdenum cofactor biosynthesis protein A | strong | 28 | 44 |
| | Azospirillum brasilense Sp245 | AZOBR_RS12540 | | molybdenum cofactor biosynthesis protein MoeA | strong | 23 | 74 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1230 | | molybdenum cofactor biosynthesis protein A (RefSeq) | strong | 21 | 78 |
| | Bosea sp. OAE506 | ABIE41_RS21120 | | GTP 3',8-cyclase MoaA | strong | 22 | 72 |
| | Azospirillum sp. SherDot2 | MPMX19_00538 | | GTP 3',8-cyclase | insig. | 27 | 38 |
| | Sinorhizobium meliloti 1021 | SMc00144 | | molybdenum cofactor biosynthesis protein A | sig. | 27 | 40 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS14365 | | GTP 3',8-cyclase MoaA | strong | 26 | 67 |
| | Ralstonia solanacearum UW163 | UW163_RS11830 | | GTP 3',8-cyclase MoaA | insig. | 26 | 67 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c10200 | | molybdenum cofactor biosynthesis protein A | insig. | 26 | 59 |
| | Xanthobacter sp. DMC5 | GFF2380 | | GTP 3',8-cyclase | strong | 25 | 46 |
| | Shewanella amazonensis SB2B | Sama_3524 | moaA | molybdenum cofactor biosynthesis protein A (RefSeq) | sig. | 21 | 68 |
| | Ralstonia solanacearum GMI1000 | RS_RS05145 | | GTP 3',8-cyclase MoaA | sig. | 25 | 70 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0580 | moaA | molybdenum cofactor biosynthesis protein A (TIGR) | strong | 21 | 68 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS00780 | | GTP 3',8-cyclase MoaA | no data | 26 | 46 |
| | Rhodopseudomonas palustris CGA009 | TX73_010195 | | GTP 3',8-cyclase MoaA | strong | 25 | 59 |
| | Shewanella oneidensis MR-1 | SO4452 | moaA | molybdenum cofactor biosynthesis protein A (NCBI ptt file) | sig. | 21 | 66 |
| | Shewanella sp. ANA-3 | Shewana3_0274 | moaA | molybdenum cofactor biosynthesis protein A (RefSeq) | strong | 21 | 66 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS04490 | | GTP 3',8-cyclase MoaA | insig. | 23 | 70 |
| | Shewanella loihica PV-4 | Shew_0087 | moaA | molybdenum cofactor biosynthesis protein A (RefSeq) | strong | 24 | 66 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS19095 | | GTP 3',8-cyclase MoaA | sig. | 25 | 67 |
| | Methylophilus sp. DMC18 | GFF2436 | | GTP 3',8-cyclase | cofit | 24 | 70 |
| | Rhizobium sp. OAE497 | ABIE40_RS10585 | | GTP 3',8-cyclase MoaA | sig. | 23 | 46 |
| | Shewanella sp. ANA-3 | Shewana3_4082 | | molybdenum cofactor biosynthesis protein A (RefSeq) | insig. | 24 | 73 |