| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Agrobacterium fabrum C58 | Atu5490 | | ECF family RNA polymerase sigma factor | insig. | 100 | 100 |
| | Agrobacterium fabrum C58 | Atu5283 | | ECF family RNA polymerase sigma factor | no data | 87 | 67 |
| o | Rhizobium sp. OAE497 | ABIE40_RS21790 | | sigma-70 family RNA polymerase sigma factor | cofit | 47 | 89 |
| o | Sinorhizobium meliloti 1021 | SM_b21484 | | RNA polymerase sigma-E factor (sigma-24) protein | insig. | 45 | 90 |
| | Xanthobacter sp. DMC5 | GFF2321 | | ECF RNA polymerase sigma factor EcfG | no data | 46 | 87 |
| | Rhizobium sp. OAE497 | ABIE40_RS27415 | | sigma-70 family RNA polymerase sigma factor | insig. | 45 | 84 |
| | Rhodopseudomonas palustris CGA009 | TX73_021900 | | sigma-70 family RNA polymerase sigma factor | strong | 46 | 83 |
| | Sphingobium sp. HT1-2 | GFF4975 | | RNA polymerase ECF-type sigma factor | cofit | 42 | 85 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3835 | | RNA polymerase, sigma-24 subunit, ECF subfamily (RefSeq) | insig. | 41 | 84 |
| | Sphingobium sp. HT1-2 | GFF5151 | | RNA polymerase ECF-type sigma factor | cofit | 42 | 85 |
| | Agrobacterium fabrum C58 | Atu4160 | | RNA polymerase sigma factor | strong | 42 | 79 |
| | Rhizobium sp. OAE497 | ABIE40_RS14450 | | RNA polymerase sigma factor | insig. | 40 | 91 |
| | Sphingobium sp. HT1-2 | GFF2317 | | RNA polymerase ECF-type sigma factor | cofit | 38 | 92 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c27070 | | RNA polymerase sigma factor 70 (ECF15 subgroup, ECF26 subgroup) | insig. | 39 | 82 |
| | Sinorhizobium meliloti 1021 | SMc01506 | | RNA polymerase sigma factor | strong | 40 | 86 |
| | Azospirillum brasilense Sp245 | AZOBR_RS06360 | | RNA polymerase subunit sigma-24 | no data | 41 | 82 |
| | Bosea sp. OAE506 | ABIE41_RS04095 | | sigma-70 family RNA polymerase sigma factor | strong | 38 | 84 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3853 | | RNA polymerase sigma factor, sigma-70 family | insig. | 42 | 80 |
| | Azospirillum sp. SherDot2 | MPMX19_00764 | | ECF RNA polymerase sigma factor EcfG | insig. | 41 | 79 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS14775 | | sigma-70 family RNA polymerase sigma factor | strong | 38 | 83 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3492 | | RNA polymerase sigma factor, sigma-70 family | strong | 37 | 82 |
| | Sphingobium sp. HT1-2 | GFF5325 | | RNA polymerase ECF-type sigma factor | cofit | 40 | 82 |
| | Caulobacter crescentus NA1000 | CCNA_03589 | | RNA polymerase EcfG family sigma factor sigT | strong | 37 | 81 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_03589 | | RNA polymerase EcfG family sigma factor sigT | cofit | 37 | 81 |
| | Rhodospirillum rubrum S1H | Rru_A3287 | | Sigma-24 (FecI) (NCBI) | no data | 37 | 86 |
| | Sphingobium sp. HT1-2 | GFF2028 | | hypothetical protein | cofit | 37 | 81 |
| | Rhizobium sp. OAE497 | ABIE40_RS20320 | | sigma-70 family RNA polymerase sigma factor | insig. | 38 | 81 |
| | Azospirillum sp. SherDot2 | MPMX19_01371 | | hypothetical protein | insig. | 39 | 81 |
| | Caulobacter crescentus NA1000 | CCNA_02977 | | RNA polymerase ECF-type sigma factor sigU | strong | 37 | 84 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_02977 | | RNA polymerase ECF-type sigma factor sigU | cofit | 37 | 84 |
| | Azospirillum brasilense Sp245 | AZOBR_RS10625 | | RNA polymerase sigma-70 factor | insig. | 39 | 80 |
| | Paraburkholderia graminis OAS925 | ABIE53_006215 | | RNA polymerase sigma-70 factor (ECF subfamily) | insig. | 33 | 83 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_1476 | | RNA polymerase sigma factor, sigma-70 family | insig. | 31 | 83 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_19215 | | RNA polymerase subunit sigma | sig. | 33 | 84 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS24740 | | RNA polymerase subunit sigma-24 | sig. | 32 | 83 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_06547 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 32 | 83 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS00095 | | RNA polymerase sigma factor | insig. | 32 | 83 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS16550 | | RNA polymerase sigma factor | strong | 30 | 80 |
| | Bifidobacterium breve UCC2003 | BBR_RS16820 | | RNA polymerase sigma factor RpoE | strong | 31 | 79 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_10915 | | RNA polymerase subunit sigma | strong | 31 | 82 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS11995 | | RNA polymerase subunit sigma | insig. | 30 | 78 |
| | Paraburkholderia graminis OAS925 | ABIE53_003919 | | RNA polymerase sigma-70 factor (ECF subfamily) | insig. | 30 | 87 |
| | Agrobacterium fabrum C58 | Atu1485 | | ECF family sigma factor | insig. | 32 | 77 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_0287 | | RNA polymerase sigma factor, sigma-70 family | strong | 31 | 79 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT1572 | | RNA polymerase ECF-type sigma factor (NCBI ptt file) | insig. | 30 | 83 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS24230 | | RNA polymerase sigma factor | strong | 30 | 79 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS16950 | | RNA polymerase sigma factor | strong | 28 | 84 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23735 | | RNA polymerase | no data | 34 | 84 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_03979 | | Sigma-70 region 2 | strong | 28 | 84 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS23005 | | sigma-70 family RNA polymerase sigma factor | insig. | 33 | 79 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS12805 | | RNA polymerase sigma factor | strong | 30 | 78 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_04312 | | Sigma-70 region 2 | insig. | 29 | 83 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS32245 | | RNA polymerase sigma factor | insig. | 32 | 82 |
| | Sinorhizobium meliloti 1021 | SMa0143 | | RNA polymerase ECF sigma factor | insig. | 35 | 77 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT1197 | | RNA polymerase ECF-type sigma factor (NCBI ptt file) | strong | 28 | 84 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_01848 | | Sigma-70 region 2 | strong | 27 | 84 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS07815 | | RNA polymerase sigma factor | strong | 29 | 78 |
| | Sphingobium sp. HT1-2 | GFF4551 | | hypothetical protein | cofit | 32 | 80 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_05041 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 31 | 82 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS02840 | | RNA polymerase sigma factor | sig. | 29 | 78 |
| | Mycobacterium tuberculosis H37Rv | Rv1221 | | Alternative RNA polymerase sigma factor SigE | insig. | 33 | 77 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2569 | | RNA polymerase ECF-type sigma factor (NCBI ptt file) | insig. | 27 | 84 |
| | Azospirillum sp. SherDot2 | MPMX19_01197 | | ECF RNA polymerase sigma factor EcfG | insig. | 35 | 77 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1191 | | RNA polymerase sigma factor, sigma-70 family | insig. | 32 | 77 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_01625 | | RNA polymerase subunit sigma-24 | insig. | 32 | 87 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS32410 | | RNA polymerase subunit sigma-24 | no data | 32 | 82 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT3457 | | RNA polymerase ECF-type sigma factor (NCBI ptt file) | strong | 27 | 84 |
| | Methylophilus sp. DMC18 | GFF2730 | | RNA polymerase sigma-H factor | no data | 32 | 79 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2200 | | RNA polymerase sigma-54 factor RpoN | sig. | 33 | 83 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_02205 | | Sigma-70 region 2 | sig. | 27 | 84 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS17450 | | RNA polymerase sigma factor | strong | 27 | 84 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS03770 | | RNA polymerase sigma factor | strong | 27 | 84 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS02635 | | RNA polymerase sigma factor | insig. | 34 | 77 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF4350 | | RNA polymerase sigma-54 factor RpoN | insig. | 34 | 84 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3977 | | RNA polymerase sigma-54 factor RpoN | insig. | 32 | 83 |
| | Mycobacterium tuberculosis H37Rv | Rv3223c | | Alternative RNA polymerase sigma-E factor (sigma-24) SigH (RPOE) | insig. | 29 | 77 |
| | Shewanella sp. ANA-3 | Shewana3_3032 | | RNA polymerase sigma factor RpoE (RefSeq) | no data | 33 | 75 |
| | Shewanella oneidensis MR-1 | SO1342 | rpoE | RNA polymerase sigma-24 factor (NCBI ptt file) | no data | 33 | 75 |
| | Azospirillum brasilense Sp245 | AZOBR_RS14755 | | RNA polymerase sigma-70 factor | insig. | 34 | 77 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS19010 | | sigma-70 family RNA polymerase sigma factor | insig. | 32 | 84 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS19010 | | sigma-70 family RNA polymerase sigma factor | sig. | 32 | 84 |
| | Sphingobium sp. HT1-2 | GFF1466 | | RNA polymerase sigma-54 factor RpoN | insig. | 31 | 77 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_20305 | | RNA polymerase subunit sigma-24 | no data | 32 | 83 |
| | Pseudomonas sp. DMC3 | GFF1465 | | ECF RNA polymerase sigma factor EcfG | insig. | 31 | 84 |
| | Pseudomonas orientalis W4I3 | QF045_RS18740 | | sigma-70 family RNA polymerase sigma factor | insig. | 31 | 84 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS08240 | | RNA polymerase subunit sigma-24 | sig. | 31 | 79 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3411 | | RNA polymerase sigma factor, sigma-70 family | insig. | 29 | 78 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_05124 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 31 | 80 |
| | Mycobacterium tuberculosis H37Rv | Rv2069 | | RNA polymerase sigma factor, ECF subfamily, SigC | insig. | 39 | 73 |
| | Paraburkholderia graminis OAS925 | ABIE53_002425 | | RNA polymerase sigma-70 factor (ECF subfamily) | insig. | 30 | 80 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_2582 | | RNA polymerase sigma-54 factor RpoN | insig. | 32 | 83 |
| | Rhizobium sp. OAE497 | ABIE40_RS22730 | | RNA polymerase sigma factor | insig. | 33 | 84 |
| | Agrobacterium fabrum C58 | Atu2030 | | ECF family sigma factor | insig. | 33 | 71 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2383 | | RNA polymerase ECF-type sigma factor (NCBI ptt file) | insig. | 28 | 89 |
| | Phaeobacter inhibens DSM 17395 | PGA1_78p00070 | | 'RNA polymerase sigma-70, ECF subfamily; ECF26 subgroup' | no data | 27 | 91 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_2180 | | RNA polymerase, sigma-24 subunit, RpoE | strong | 32 | 75 |
| | Paraburkholderia graminis OAS925 | ABIE53_003943 | | RNA polymerase sigma-70 factor (ECF subfamily) | sig. | 30 | 87 |
| | Variovorax sp. SCN45 | GFF215 | | RNA polymerase sigma-54 factor RpoN | insig. | 28 | 83 |
| | Serratia liquefaciens MT49 | IAI46_19585 | | RNA polymerase sigma factor RpoE | no data | 34 | 71 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03722 | | ECF RNA polymerase sigma factor EcfG | no data | 31 | 84 |