| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Sphingobium sp. HT1-2 | GFF776 | | RNA polymerase sigma-54 factor RpoN | strong | 100 | 100 |
| o | Sphingomonas koreensis DSMZ 15582 | Ga0059261_2543 | | RNA polymerase, sigma 54 subunit, RpoN/SigL | strong | 67 | 99 |
| o | Xanthobacter sp. DMC5 | GFF4467 | | RNA polymerase sigma-54 factor 2 | strong | 51 | 100 |
| o | Magnetospirillum magneticum AMB-1 | AMB_RS19925 | | RNA polymerase sigma-54 factor | no data | 52 | 99 |
| o | Sinorhizobium meliloti 1021 | SMc01139 | | RNA polymerase factor sigma-54 | strong | 49 | 100 |
| o | Rhodospirillum rubrum S1H | Rru_A0010 | | Sigma-54 (RpoN) (NCBI) | sig. | 50 | 99 |
| o | Rhizobium sp. OAE497 | ABIE40_RS01860 | | RNA polymerase factor sigma-54 | strong | 46 | 100 |
| o | Caulobacter crescentus NA1000 | CCNA_03713 | | RNA polymerase sigma-54 factor rpoN | strong | 49 | 98 |
| o | Caulobacter crescentus NA1000 Δfur | CCNA_03713 | | RNA polymerase sigma-54 factor rpoN | cofit | 49 | 98 |
| o | Azospirillum brasilense Sp245 | AZOBR_RS18870 | | RNA polymerase sigma54 factor | strong | 47 | 99 |
| o | Bosea sp. OAE506 | ABIE41_RS00125 | | RNA polymerase factor sigma-54 | insig. | 47 | 99 |
| o | Agrobacterium fabrum C58 | Atu0332 | | RNA polymerase sigma-54 factor | strong | 46 | 100 |
| | Rhodopseudomonas palustris CGA009 | TX73_000260 | | RNA polymerase factor sigma-54 | strong | 55 | 74 |
| o | Azospirillum sp. SherDot2 | MPMX19_02668 | | RNA polymerase sigma-54 factor 2 | cofit | 47 | 95 |
| o | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS16075 | | RNA polymerase factor sigma-54 | insig. | 49 | 98 |
| o | Pseudomonas sp. BP01 | JOY50_RS11130 | | RNA polymerase factor sigma-54 | no data | 38 | 98 |
| o | Pseudomonas putida KT2440 | PP_0952 | | RNA polymerase sigma-54 factor | no data | 38 | 98 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS04400 | | RNA polymerase factor sigma-54 | no data | 37 | 98 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS04400 | | RNA polymerase factor sigma-54 | no data | 37 | 98 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_4147 | | RNA polymerase, sigma 54 subunit, RpoN/SigL | no data | 37 | 98 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4147 | | RNA polymerase, sigma 54 subunit, RpoN/SigL | no data | 37 | 98 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_05180 | | RNA polymerase sigma-54 factor | no data | 37 | 98 |
| o | Pseudomonas simiae WCS417 | PS417_04345 | | RNA polymerase factor sigma-54 | no data | 37 | 98 |
| o | Pseudomonas segetis P6 | ACVTMO_RS19120 | | RNA polymerase factor sigma-54 | no data | 38 | 98 |
| o | Pseudomonas sp. SVBP6 | COO64_RS04285 | | RNA polymerase factor sigma-54 | no data | 38 | 98 |
| o | Pseudomonas sp. DMC3 | GFF1828 | | RNA polymerase sigma-54 factor | no data | 38 | 96 |
| o | Pseudomonas stutzeri RCH2 | Psest_3313 | | RNA polymerase sigma-54 factor | no data | 37 | 98 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS24165 | | RNA polymerase factor sigma-54 | no data | 37 | 98 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_01770 | | RNA polymerase factor sigma-54 | no data | 37 | 98 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS56625 | | RNA polymerase factor sigma-54 | no data | 37 | 98 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_5014 | | RNA polymerase sigma-54 factor RpoN | no data | 37 | 96 |
| o | Pseudomonas orientalis W4I3 | QF045_RS07335 | | RNA polymerase factor sigma-54 | no data | 37 | 98 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01075 | | RNA polymerase sigma-54 factor | no data | 37 | 96 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_3256 | | RNA polymerase, sigma 54 subunit, RpoN/SigL | no data | 36 | 97 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2946 | | RNA polymerase sigma-54 factor RpoN | strong | 37 | 97 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_07035 | | RNA polymerase sigma-54 factor | no data | 36 | 98 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1080 | | RNA polymerase sigma-54 factor RpoN | no data | 37 | 96 |
| o | Escherichia coli BW25113 | b3202 | rpoN | DNA-directed RNA polymerase subunit N (NCBI) | no data | 37 | 97 |
| o | Pseudomonas sp. RS175 | PFR28_00173 | | RNA polymerase sigma-54 factor | no data | 36 | 96 |
| o | Klebsiella michiganensis M5al | BWI76_RS25265 | | RNA polymerase factor sigma-54 | no data | 36 | 97 |
| o | Escherichia coli BL21 | ECD_03067 | | RNA polymerase, sigma 54 (sigma N) factor | strong | 37 | 97 |
| o | Escherichia fergusonii Becca | EFB2_00621 | | RNA polymerase sigma-54 factor | no data | 37 | 97 |
| o | Escherichia coli ECOR27 | NOLOHH_09740 | rpoN | RNA polymerase factor sigma-54 | no data | 37 | 97 |
| o | Escherichia coli ECOR38 | HEPCGN_16815 | rpoN | RNA polymerase factor sigma-54 | no data | 37 | 97 |
| o | Escherichia coli ECRC100 | OKFHMN_17940 | rpoN | RNA polymerase factor sigma-54 | no data | 37 | 97 |
| o | Escherichia coli ECRC101 | MCAODC_08460 | rpoN | RNA polymerase factor sigma-54 | no data | 37 | 97 |
| o | Escherichia coli ECRC102 | NIAGMN_15700 | rpoN | RNA polymerase factor sigma-54 | no data | 37 | 97 |
| o | Escherichia coli ECRC62 | BNILDI_01795 | rpoN | RNA polymerase factor sigma-54 | no data | 37 | 97 |
| o | Escherichia coli ECRC98 | JDDGAC_21565 | rpoN | RNA polymerase factor sigma-54 | no data | 37 | 97 |
| o | Escherichia coli ECRC99 | KEDOAH_10210 | rpoN | RNA polymerase factor sigma-54 | no data | 37 | 97 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00498 | | RNA polymerase sigma-54 factor | insig. | 37 | 97 |
| o | Escherichia coli Nissle 1917 | ECOLIN_RS18425 | | RNA polymerase factor sigma-54 | no data | 37 | 97 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3267 | | RNA polymerase sigma-54 factor RpoN | no data | 37 | 96 |
| o | Pseudomonas sp. S08-1 | OH686_08540 | | RNA polymerase sigma-54 factor | no data | 36 | 98 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_06080 | | RNA polymerase factor sigma-54 | strong | 36 | 97 |
| o | Klebsiella pneumoniae MRSN742743 | KFA93_RS13335 | rpoN;go_function=DNA-binding | RNA polymerase factor sigma-54 | strong | 36 | 97 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS20060 | | RNA polymerase factor sigma-54 | strong | 37 | 97 |
| o | Enterobacter sp. TBS_079 | MPMX20_04108 | | RNA polymerase sigma-54 factor | no data | 36 | 97 |
| o | Dickeya dianthicola 67-19 | HGI48_RS01445 | | RNA polymerase factor sigma-54 | cofit | 36 | 97 |
| o | Dickeya dianthicola ME23 | DZA65_RS01510 | | RNA polymerase factor sigma-54 | strong | 36 | 97 |
| o | Alteromonas macleodii MIT1002 | MIT1002_00827 | | RNA polymerase sigma-54 factor 2 | cofit | 35 | 98 |
| o | Dickeya dadantii 3937 | DDA3937_RS01530 | | RNA polymerase factor sigma-54 | strong | 36 | 97 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS09350 | | RNA polymerase factor sigma-54 | cofit | 36 | 97 |
| o | Serratia liquefaciens MT49 | IAI46_22470 | | RNA polymerase factor sigma-54 | cofit | 36 | 97 |
| o | Erwinia amylovora T8 | OLJFJH_07070 | | RNA polymerase factor sigma-54 | strong | 36 | 97 |
| o | Pantoea sp. MT58 | IAI47_17185 | | RNA polymerase factor sigma-54 | strong | 36 | 97 |
| o | Rahnella sp. WP5 | EX31_RS12400 | | RNA polymerase factor sigma-54 | strong | 36 | 97 |
| o | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_13740 | rpoN | RNA polymerase factor sigma-54 | cofit | 36 | 97 |
| o | Erwinia tracheiphila SCR3 | LU632_RS21280 | rpoN | RNA polymerase factor sigma-54 | no data | 36 | 97 |
| o | Vibrio cholerae E7946 ATCC 55056 | CSW01_12815 | | RNA polymerase sigma-54 factor | sig. | 36 | 98 |
| o | Burkholderia phytofirmans PsJN | BPHYT_RS02905 | | RNA polymerase subunit sigma-54 | strong | 39 | 95 |
| o | Dechlorosoma suillum PS | Dsui_0704 | | RNA polymerase sigma-54 factor | strong | 36 | 98 |
| o | Paraburkholderia graminis OAS925 | ABIE53_000718 | | RNA polymerase sigma-54 factor | strong | 38 | 95 |
| o | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01927 | | RNA polymerase, sigma 54 subunit, RpoN/SigL | strong | 38 | 95 |
| o | Methylophilus sp. DMC18 | GFF2777 | | RNA polymerase sigma-54 factor | strong | 35 | 97 |
| o | Cupriavidus basilensis FW507-4G11 | RR42_RS02085 | | RNA polymerase subunit sigma-54 | strong | 38 | 96 |
| o | Herbaspirillum seropedicae SmR1 | HSERO_RS19855 | | RNA polymerase subunit sigma-54 | no data | 36 | 95 |
| o | Marinobacter adhaerens HP15 | HP15_2442 | | RNA polymerase, sigma 54 subunit, RpoN | strong | 35 | 98 |
| o | Acinetobacter radioresistens SK82 | MPMX26_02592 | | RNA polymerase sigma-54 factor | strong | 37 | 96 |
| o | Desulfovibrio vulgaris Hildenborough JW710 | DVU1628 | rpoN | RNA polymerase sigma-54 factor (TIGR) | no data | 37 | 98 |
| o | Ralstonia solanacearum PSI07 | RPSI07_RS07850 | | RNA polymerase factor sigma-54 | insig. | 36 | 97 |
| o | Ralstonia sp. UNC404CL21Col | ABZR87_RS23535 | | RNA polymerase factor sigma-54 | strong | 37 | 97 |
| o | Desulfovibrio vulgaris Miyazaki F | DvMF_0427 | | RNA polymerase, sigma 54 subunit, RpoN (RefSeq) | no data | 36 | 98 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS07060 | | RNA polymerase factor sigma-54 | strong | 37 | 95 |
| o | Shewanella oneidensis MR-1 | SO3961 | rpoN | RNA polymerase sigma-54 factor (NCBI ptt file) | strong | 36 | 97 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS01755 | | RNA polymerase factor sigma-54 | strong | 37 | 95 |
| o | Shewanella amazonensis SB2B | Sama_3088 | | RNA polymerase factor sigma-54 (RefSeq) | strong | 38 | 97 |
| o | Shewanella sp. ANA-3 | Shewana3_0672 | | RNA polymerase factor sigma-54 (RefSeq) | strong | 36 | 97 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS22130 | | RNA polymerase factor sigma-54 | cofit | 37 | 95 |
| o | Shewanella loihica PV-4 | Shew_3311 | | RNA polymerase factor sigma-54 (RefSeq) | strong | 37 | 97 |
| o | Ralstonia solanacearum GMI1000 | RS_RS25120 | | RNA polymerase sigma-54 factor | insig. | 36 | 97 |
| o | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS19815 | | RNA polymerase factor sigma-54 | strong | 38 | 98 |
| | Ralstonia solanacearum GMI1000 | RS_RS02020 | | RNA polymerase sigma-54 factor | insig. | 36 | 95 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS11170 | | RNA polymerase sigma-54 factor | sig. | 37 | 95 |
| | Ralstonia solanacearum UW163 | UW163_RS02410 | | RNA polymerase sigma-54 factor | insig. | 37 | 95 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3068 | | RNA polymerase sigma-54 factor RpoN | strong | 36 | 97 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS12575 | | RNA polymerase factor sigma-54 | cofit | 38 | 98 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS12875 | | RNA polymerase factor sigma-54 | strong | 38 | 98 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS23300 | | RNA polymerase sigma-54 factor | insig. | 35 | 97 |
| | Ralstonia solanacearum UW163 | UW163_RS16550 | | RNA polymerase sigma-54 factor | insig. | 35 | 97 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_02265 | | RNA polymerase factor sigma-54 | strong | 36 | 98 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS15705 | | RNA polymerase factor sigma-54 | strong | 37 | 98 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS27005 | | RNA polymerase sigma54 factor | insig. | 34 | 97 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_02908 | | RNA polymerase, sigma 54 subunit, RpoN/SigL | sig. | 35 | 97 |
| | Paraburkholderia graminis OAS925 | ABIE53_005882 | | RNA polymerase sigma-54 factor | strong | 35 | 97 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_727 | | RNA polymerase sigma-54 factor RpoN | strong | 34 | 98 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS10760 | | RNA polymerase factor sigma-54 | insig. | 34 | 98 |
| | Acinetobacter baumannii LAC-4 | RR41_RS15830 | | RNA polymerase factor sigma-54 | insig. | 34 | 96 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_2080 | | RNA polymerase, sigma 54 subunit, RpoN/SigL | insig. | 30 | 98 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1662.1 | | RNA polymerase sigma-54 factor RpoN | strong | 36 | 97 |
| | Variovorax sp. OAS795 | ABID97_RS04780 | | RNA polymerase factor sigma-54 | no data | 33 | 97 |
| | Variovorax sp. SCN45 | GFF6290 | | RNA polymerase sigma-54 factor RpoN | strong | 34 | 97 |
| | Lysobacter sp. OAE881 | ABIE51_RS15955 | | RNA polymerase factor sigma-54 | strong | 36 | 98 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3646 | | RNA polymerase sigma-54 factor RpoN | insig. | 33 | 99 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_0071 | | RNA polymerase sigma-54 factor | no data | 32 | 96 |
| | Variovorax sp. OAS795 | ABID97_RS11945 | | RNA polymerase factor sigma-54 | insig. | 33 | 97 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS12430 | | RNA polymerase factor sigma-54 | strong | 33 | 97 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2798.1 | | RNA polymerase sigma-54 factor RpoN | insig. | 33 | 96 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS11005 | | RNA polymerase sigma-54 factor | no data | 30 | 93 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS05920 | | RNA polymerase factor sigma-54 | cofit | 33 | 93 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS14570 | | RNA polymerase factor sigma-54 | no data | 29 | 96 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_18070 | | RNA polymerase sigma-54 factor | no data | 31 | 96 |
| | Lysobacter sp. OAE881 | ABIE51_RS16760 | | RNA polymerase factor sigma-54 | cofit | 35 | 97 |
| | Cellulophaga baltica 18 | M666_RS07505 | | RNA polymerase factor sigma-54 | no data | 29 | 98 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS12505 | | RNA polymerase factor sigma-54 | strong | 29 | 95 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS04230 | | RNA polymerase factor sigma-54 | strong | 29 | 95 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS00925 | | RNA polymerase factor sigma-54 | no data | 27 | 93 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_01616 | | RNA polymerase sigma-54 factor | no data | 27 | 94 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2521 | | RNA polymerase sigma-54 (NCBI ptt file) | no data | 27 | 94 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3584 | | RNA polymerase, sigma 54 subunit, RpoN (RefSeq) | insig. | 35 | 69 |
| | Fusobacterium nucleatum SB010 | HUW76_06300 | | RNA polymerase factor sigma-54 | cofit | 27 | 66 |
| | Sinorhizobium meliloti 1021 | SMa0824 | | hypothetical protein | insig. | 63 | 6 |