| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Variovorax sp. SCN45 | GFF3935 | | RNA polymerase ECF-type sigma factor | insig. | 100 | 100 |
| o | Variovorax sp. OAS795 | ABID97_RS08675 | | RNA polymerase sigma factor | insig. | 89 | 99 |
| o | Cupriavidus basilensis FW507-4G11 | RR42_RS26775 | | RNA polymerase subunit sigma-24 | insig. | 74 | 96 |
| o | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS19755 | | RNA polymerase sigma factor | insig. | 74 | 97 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS16225 | | RNA polymerase sigma factor | insig. | 73 | 97 |
| o | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03679 | | RNA polymerase, sigma subunit, ECF family | insig. | 74 | 98 |
| o | Burkholderia phytofirmans PsJN | BPHYT_RS35225 | | RNA polymerase subunit sigma-24 | insig. | 74 | 97 |
| o | Lysobacter sp. OAE881 | ABIE51_RS14880 | | RNA polymerase sigma factor | insig. | 72 | 95 |
| o | Rhodanobacter denitrificans MT42 | LRK55_RS01915 | | RNA polymerase sigma factor | cofit | 71 | 97 |
| o | Paraburkholderia graminis OAS925 | ABIE53_004579 | | RNA polymerase sigma factor (sigma-70 family) | insig. | 74 | 97 |
| o | Ralstonia solanacearum GMI1000 | RS_RS20165 | | RNA polymerase subunit sigma-24 | insig. | 69 | 97 |
| o | Rhodanobacter sp. FW510-T8 | OKGIIK_09210 | | RNA polymerase subunit sigma-24 | insig. | 72 | 97 |
| o | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS02165 | | RNA polymerase sigma factor | insig. | 71 | 97 |
| o | Ralstonia sp. UNC404CL21Col | ABZR87_RS21130 | | RNA polymerase sigma factor | insig. | 70 | 97 |
| o | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF454 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 68 | 97 |
| o | Acidovorax sp. GW101-3H11 | Ac3H11_5010 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 67 | 97 |
| o | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3970 | | Predicted RNA polymerase sigma factor containing a TPR repeat domain | insig. | 64 | 97 |
| o | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS07860 | | RNA polymerase sigma factor | insig. | 70 | 97 |
| o | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.4799.1 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 62 | 97 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_03200 | | RNA polymerase subunit sigma-24 | insig. | 47 | 96 |
| o | Pseudomonas sp. S08-1 | OH686_16765 | | RNA polymerase ECF-type sigma factor | cofit | 48 | 94 |
| o | Pseudomonas stutzeri RCH2 | Psest_4133 | | RNA polymerase sigma factor, sigma-70 family | sig. | 50 | 94 |
| o | Pseudomonas orientalis W4I3 | QF045_RS24050 | | RNA polymerase sigma factor | insig. | 47 | 96 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3399 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 47 | 97 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS23540 | | RNA polymerase sigma factor | insig. | 49 | 95 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS23540 | | RNA polymerase sigma factor | insig. | 49 | 95 |
| o | Pseudomonas simiae WCS417 | PS417_21945 | | RNA polymerase subunit sigma-24 | insig. | 50 | 95 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS53230 | | RNA polymerase sigma factor | insig. | 49 | 88 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04525 | | hypothetical protein | cofit | 48 | 95 |
| o | Pseudomonas sp. DMC3 | GFF5258 | | hypothetical protein | cofit | 47 | 97 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS19105 | | RNA polymerase sigma factor | insig. | 48 | 88 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_06430 | | RNA polymerase subunit sigma-24 | insig. | 48 | 89 |
| o | Rhizobium sp. OAE497 | ABIE40_RS05880 | | RNA polymerase sigma factor | insig. | 44 | 96 |
| o | Pseudomonas sp. BP01 | JOY50_RS01330 | | RNA polymerase sigma factor | insig. | 47 | 95 |
| o | Pseudomonas sp. RS175 | PFR28_00603 | | hypothetical protein | insig. | 47 | 97 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_05020 | | RNA polymerase subunit sigma-24 | insig. | 46 | 97 |
| o | Pseudomonas putida KT2440 | PP_4553 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 46 | 95 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2854 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 46 | 97 |
| o | Pseudomonas segetis P6 | ACVTMO_RS18060 | | RNA polymerase sigma factor | insig. | 48 | 90 |
| o | Pseudomonas sp. SVBP6 | COO64_RS22035 | | RNA polymerase sigma factor | insig. | 46 | 97 |
| | Rhizobium sp. OAE497 | ABIE40_RS13680 | | RNA polymerase sigma factor | insig. | 44 | 89 |
| | Rhizobium sp. OAE497 | ABIE40_RS18175 | | RNA polymerase sigma factor | cofit | 41 | 96 |
| o | Xanthobacter sp. DMC5 | GFF549 | | hypothetical protein | insig. | 46 | 91 |
| o | Sinorhizobium meliloti 1021 | SMc01150 | | hypothetical protein | insig. | 44 | 92 |
| | Caulobacter crescentus NA1000 | CCNA_01390 | | RNA polymerase sigma factor | insig. | 44 | 87 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_01390 | | RNA polymerase sigma factor | insig. | 44 | 87 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1935 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 49 | 63 |
| o | Rhodopseudomonas palustris CGA009 | TX73_005700 | | RNA polymerase sigma factor | insig. | 42 | 91 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS31175 | | RNA polymerase sigma70 factor | insig. | 38 | 95 |
| o | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_4295 | | Predicted RNA polymerase sigma factor containing a TPR repeat domain | insig. | 32 | 96 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS12320 | | RNA polymerase sigma factor | insig. | 34 | 85 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS33360 | | sigma factor | insig. | 38 | 93 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS15535 | | DNA-directed RNA polymerase sigma-70 factor | insig. | 40 | 93 |
| | Variovorax sp. SCN45 | GFF4791 | | RNA polymerase ECF-type sigma factor | insig. | 35 | 94 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS15255 | | sigma factor | insig. | 42 | 78 |
| | Variovorax sp. OAS795 | ABID97_RS20345 | | DUF6596 domain-containing protein | insig. | 36 | 82 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF4599 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 34 | 95 |
| | Bosea sp. OAE506 | ABIE41_RS09620 | | DUF6596 domain-containing protein | insig. | 35 | 98 |
| | Caulobacter crescentus NA1000 | CCNA_00393 | | RNA polymerase sigma factor | insig. | 37 | 83 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00393 | | RNA polymerase sigma factor | cofit | 37 | 83 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1936 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 47 | 33 |
| | Mycobacterium tuberculosis H37Rv | Rv1189 | | Possible alternative RNA polymerase sigma factor SigI | no data | 30 | 43 |
| | Pantoea sp. MT58 | IAI47_19735 | | sigma-70 family RNA polymerase sigma factor | insig. | 31 | 39 |
| | Variovorax sp. SCN45 | GFF5440 | | RNA polymerase ECF-type sigma factor | insig. | 34 | 38 |
| | Mycobacterium tuberculosis H37Rv | Rv0445c | | Alternative RNA polymerase sigma factor SigK | insig. | 32 | 36 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS10165 | | RNA polymerase sigma factor RpoE | strong | 30 | 38 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS14445 | | RNA polymerase sigma factor RpoE | strong | 31 | 38 |
| | Ralstonia solanacearum GMI1000 | RS_RS05225 | | RNA polymerase sigma factor RpoE | strong | 31 | 38 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS19015 | | RNA polymerase sigma factor RpoE | strong | 31 | 38 |
| | Ralstonia solanacearum UW163 | UW163_RS11910 | | RNA polymerase sigma factor RpoE | insig. | 31 | 38 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS04575 | | RNA polymerase sigma factor RpoE | strong | 32 | 36 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS14080 | | RNA polymerase sigma factor RpoE | strong | 31 | 38 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS08045 | | sigma-70 family RNA polymerase sigma factor | cofit | 28 | 39 |
| | Rhodopseudomonas palustris CGA009 | TX73_024905 | | sigma-70 family RNA polymerase sigma factor | insig. | 27 | 43 |
| | Rahnella sp. WP5 | EX31_RS18905 | | sigma-70 family RNA polymerase sigma factor | insig. | 25 | 38 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS14405 | | RNA polymerase sigma factor RpoE | no data | 32 | 36 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_04355 | | RNA polymerase, sigma-24 subunit, RpoE | no data | 32 | 36 |
| | Paraburkholderia graminis OAS925 | ABIE53_003043 | | RNA polymerase sigma-70 factor (ECF subfamily) | strong | 32 | 36 |
| | Variovorax sp. OAS795 | ABID97_RS02030 | | RNA polymerase sigma-70 factor | insig. | 31 | 37 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2390 | | RNA polymerase sigma factor, sigma-70 family | cofit | 26 | 40 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS21845 | | hypothetical protein | insig. | 29 | 38 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS09625 | | RNA polymerase sigma factor RpoE | no data | 28 | 38 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS31540 | | RNA polymerase sigma-70 factor | insig. | 31 | 37 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_07900 | rpoE | RNA polymerase sigma factor RpoE | strong | 29 | 42 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS12005 | | RNA polymerase sigma factor RpoE | no data | 29 | 42 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3339 | | RNA polymerase sigma factor RpoE | cofit | 27 | 35 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS11635 | | RNA polymerase subunit sigma-24 | insig. | 33 | 38 |
| | Shewanella loihica PV-4 | Shew_1048 | | RNA polymerase sigma factor RpoE (RefSeq) | cofit | 26 | 38 |
| | Variovorax sp. OAS795 | ABID97_RS08330 | | RNA polymerase sigma factor RpoE | strong | 29 | 36 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS16655 | | RNA polymerase sigma factor RpoE | no data | 29 | 42 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS16940 | | RNA polymerase sigma factor RpoE | strong | 29 | 42 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_2180 | | RNA polymerase, sigma-24 subunit, RpoE | strong | 25 | 41 |
| | Shewanella oneidensis MR-1 | SO1342 | rpoE | RNA polymerase sigma-24 factor (NCBI ptt file) | no data | 27 | 38 |
| | Alteromonas macleodii MIT1002 | MIT1002_02719 | | Sigma-24 | no data | 26 | 37 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_0930 | | RNA polymerase sigma factor, sigma-70 family | insig. | 22 | 38 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01268 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 33 | 40 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_1573 | | RNA polymerase sigma factor RpoE | no data | 28 | 35 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS01495 | | sigma-70 family RNA polymerase sigma factor | insig. | 28 | 43 |
| | Shewanella sp. ANA-3 | Shewana3_3032 | | RNA polymerase sigma factor RpoE (RefSeq) | no data | 26 | 38 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS01445 | | sigma-70 family RNA polymerase sigma factor | insig. | 30 | 42 |