| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas putida KT2440 | PP_0994 | | putative RNA polymerase sigma factor | insig. | 100 | 100 |
| o | Burkholderia phytofirmans PsJN | BPHYT_RS25560 | | RNA polymerase sigma factor | insig. | 64 | 98 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_1827 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 65 | 96 |
| o | Variovorax sp. OAS795 | ABID97_RS16825 | | sigma-70 family RNA polymerase sigma factor | insig. | 63 | 97 |
| o | Pseudomonas stutzeri RCH2 | Psest_0114 | | RNA polymerase sigma factor, sigma-70 family | insig. | 66 | 97 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS16195 | | RNA polymerase sigma factor | insig. | 63 | 94 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS20845 | | sigma-70 family RNA polymerase sigma factor | insig. | 60 | 97 |
| o | Variovorax sp. SCN45 | GFF320 | | RNA polymerase ECF-type sigma factor | insig. | 63 | 96 |
| o | Dechlorosoma suillum PS | Dsui_0155 | | RNA polymerase sigma factor, sigma-70 family | strong | 60 | 97 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS25505 | | RNA polymerase sigma factor | insig. | 57 | 94 |
| o | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01786 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 58 | 97 |
| o | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS01090 | | sigma-70 family RNA polymerase sigma factor | insig. | 46 | 100 |
| o | Bosea sp. OAE506 | ABIE41_RS02435 | | sigma-70 family RNA polymerase sigma factor | insig. | 44 | 93 |
| o | Caulobacter crescentus NA1000 | CCNA_03362 | | ECF-family RNA polymerase sigma factor | strong | 43 | 94 |
| o | Caulobacter crescentus NA1000 Δfur | CCNA_03362 | | ECF-family RNA polymerase sigma factor | cofit | 43 | 94 |
| o | Xanthobacter sp. DMC5 | GFF1206 | | ECF RNA polymerase sigma factor SigF | insig. | 43 | 97 |
| o | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3636 | | RNA polymerase sigma factor, sigma-70 family | insig. | 41 | 97 |
| o | Sphingobium sp. HT1-2 | GFF5259 | | hypothetical protein | insig. | 46 | 81 |
| o | Agrobacterium fabrum C58 | Atu2268 | | ECF family sigma factor | insig. | 42 | 94 |
| o | Erwinia amylovora T8 | OLJFJH_08545 | | RNA polymerase subunit sigma-70 | insig. | 40 | 98 |
| | Xanthobacter sp. DMC5 | GFF2972 | | ECF RNA polymerase sigma factor SigF | no data | 38 | 92 |
| o | Sinorhizobium meliloti 1021 | SM_b20531 | | RNA polymerase sigma factor | insig. | 36 | 96 |
| o | Rhizobium sp. OAE497 | ABIE40_RS01010 | | sigma-70 family RNA polymerase sigma factor | insig. | 38 | 94 |
| o | Azospirillum sp. SherDot2 | MPMX19_04570 | | ECF RNA polymerase sigma factor SigF | insig. | 36 | 94 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_03490 | | hypothetical protein | insig. | 40 | 88 |
| o | Rhodopseudomonas palustris CGA009 | TX73_009325 | | sigma-70 family RNA polymerase sigma factor | insig. | 38 | 92 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS13745 | | sigma-70 family RNA polymerase sigma factor | insig. | 34 | 98 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS09080 | | sigma-70 family RNA polymerase sigma factor | cofit | 41 | 91 |
| o | Pantoea sp. MT58 | IAI47_20240 | | sigma-70 family RNA polymerase sigma factor | insig. | 36 | 98 |
| o | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS13930 | | RNA polymerase sigma factor | insig. | 38 | 91 |
| | Rhizobium sp. OAE497 | ABIE40_RS19610 | | sigma-70 family RNA polymerase sigma factor | insig. | 33 | 93 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS14380 | | sigma-70 family RNA polymerase sigma factor | insig. | 34 | 96 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS14665 | | sigma-70 family RNA polymerase sigma factor | insig. | 34 | 96 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS14775 | | sigma-70 family RNA polymerase sigma factor | strong | 33 | 88 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3853 | | RNA polymerase sigma factor, sigma-70 family | insig. | 30 | 88 |
| | Caulobacter crescentus NA1000 | CCNA_03589 | | RNA polymerase EcfG family sigma factor sigT | strong | 30 | 88 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_03589 | | RNA polymerase EcfG family sigma factor sigT | cofit | 30 | 88 |
| | Sphingobium sp. HT1-2 | GFF4975 | | RNA polymerase ECF-type sigma factor | cofit | 32 | 84 |
| | Sphingobium sp. HT1-2 | GFF5151 | | RNA polymerase ECF-type sigma factor | cofit | 30 | 89 |
| o | Mycobacterium tuberculosis H37Rv | Rv3414c | | Probable alternative RNA polymerase sigma-D factor SigD | sig. | 30 | 99 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS14405 | | RNA polymerase sigma factor RpoE | no data | 29 | 88 |
| | Paraburkholderia graminis OAS925 | ABIE53_003043 | | RNA polymerase sigma-70 factor (ECF subfamily) | strong | 29 | 88 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_04355 | | RNA polymerase, sigma-24 subunit, RpoE | no data | 29 | 88 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS04575 | | RNA polymerase sigma factor RpoE | strong | 28 | 89 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS14080 | | RNA polymerase sigma factor RpoE | strong | 27 | 88 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS10165 | | RNA polymerase sigma factor RpoE | strong | 27 | 88 |
| | Sphingobium sp. HT1-2 | GFF2317 | | RNA polymerase ECF-type sigma factor | cofit | 32 | 81 |
| | Azospirillum brasilense Sp245 | AZOBR_RS10625 | | RNA polymerase sigma-70 factor | insig. | 31 | 76 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_07900 | rpoE | RNA polymerase sigma factor RpoE | strong | 28 | 93 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS07040 | | RNA polymerase sigma factor | insig. | 29 | 75 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS04360 | | sigma-70 family RNA polymerase sigma factor | insig. | 28 | 78 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS16655 | | RNA polymerase sigma factor RpoE | no data | 29 | 88 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS16940 | | RNA polymerase sigma factor RpoE | strong | 29 | 88 |
| | Xanthobacter sp. DMC5 | GFF2321 | | ECF RNA polymerase sigma factor EcfG | no data | 33 | 82 |
| | Bosea sp. OAE506 | ABIE41_RS04095 | | sigma-70 family RNA polymerase sigma factor | strong | 30 | 81 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS12005 | | RNA polymerase sigma factor RpoE | no data | 28 | 93 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS04025 | | RNA polymerase sigma factor | insig. | 27 | 89 |
| | Rhodopseudomonas palustris CGA009 | TX73_023085 | | RNA polymerase sigma factor | cofit | 30 | 87 |
| | Alteromonas macleodii MIT1002 | MIT1002_02719 | | Sigma-24 | no data | 25 | 90 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3492 | | RNA polymerase sigma factor, sigma-70 family | strong | 30 | 88 |
| | Agrobacterium fabrum C58 | Atu4160 | | RNA polymerase sigma factor | strong | 27 | 85 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS14445 | | RNA polymerase sigma factor RpoE | strong | 26 | 88 |
| | Ralstonia solanacearum GMI1000 | RS_RS05225 | | RNA polymerase sigma factor RpoE | strong | 26 | 88 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS19015 | | RNA polymerase sigma factor RpoE | strong | 26 | 88 |
| | Ralstonia solanacearum UW163 | UW163_RS11910 | | RNA polymerase sigma factor RpoE | insig. | 26 | 88 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_12575 | rpoE | RNA polymerase subunit sigma-24 | insig. | 30 | 72 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS07180 | | RNA polymerase sigma factor RpoE | strong | 28 | 92 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS04205 | | sigma-70 family RNA polymerase sigma factor | insig. | 29 | 72 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_2161 | | RNA polymerase sigma factor, sigma-70 family | insig. | 28 | 71 |
| | Shewanella oneidensis MR-1 | SO3840 | | RNA polymerase sigma-70 factor, ECF subfamily (NCBI ptt file) | insig. | 25 | 77 |
| | Xanthobacter sp. DMC5 | GFF1406 | | RNA polymerase sigma-H factor | insig. | 28 | 94 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS02030 | | RNA polymerase sigma-70 factor | insig. | 27 | 93 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS24305 | | hypothetical protein | sig. | 26 | 97 |
| | Pseudomonas stutzeri RCH2 | Psest_3456 | | RNA polymerase sigma factor, sigma-70 family | insig. | 30 | 92 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_916 | | RNA polymerase sigma-70 factor | insig. | 30 | 82 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS11045 | | sigma-70 family RNA polymerase sigma factor | cofit | 28 | 72 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS11315 | | sigma-70 family RNA polymerase sigma factor | insig. | 28 | 72 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_2952 | | RNA polymerase sigma factor, sigma-70 family | strong | 28 | 92 |
| | Shewanella sp. ANA-3 | Shewana3_0763 | | ECF subfamily RNA polymerase sigma-24 factor (RefSeq) | insig. | 27 | 81 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c27070 | | RNA polymerase sigma factor 70 (ECF15 subgroup, ECF26 subgroup) | insig. | 30 | 86 |
| | Dechlorosoma suillum PS | Dsui_2453 | | RNA polymerase sigma factor RpoE | no data | 24 | 92 |
| | Azospirillum sp. SherDot2 | MPMX19_01371 | | hypothetical protein | insig. | 33 | 73 |
| | Azospirillum brasilense Sp245 | AZOBR_RS06360 | | RNA polymerase subunit sigma-24 | no data | 29 | 83 |
| | Marinobacter adhaerens HP15 | HP15_p187g100 | | RNA polymerase sigma factor | insig. | 27 | 92 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_0139 | | RNA polymerase sigma factor, sigma-70 family | insig. | 32 | 83 |
| | Azospirillum sp. SherDot2 | MPMX19_00764 | | ECF RNA polymerase sigma factor EcfG | insig. | 27 | 83 |
| | Mycobacterium tuberculosis H37Rv | Rv3223c | | Alternative RNA polymerase sigma-E factor (sigma-24) SigH (RPOE) | insig. | 25 | 77 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS07715 | | RNA polymerase sigma factor | no data | 28 | 75 |
| | Pseudomonas putida KT2440 | PP_3006 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 31 | 75 |
| | Mycobacterium tuberculosis H37Rv | Rv1221 | | Alternative RNA polymerase sigma factor SigE | insig. | 28 | 82 |
| | Rhizobium sp. OAE497 | ABIE40_RS14450 | | RNA polymerase sigma factor | insig. | 26 | 81 |
| | Shewanella sp. ANA-3 | Shewana3_3032 | | RNA polymerase sigma factor RpoE (RefSeq) | no data | 27 | 78 |
| | Sphingobium sp. HT1-2 | GFF5325 | | RNA polymerase ECF-type sigma factor | cofit | 30 | 83 |
| | Shewanella oneidensis MR-1 | SO1342 | rpoE | RNA polymerase sigma-24 factor (NCBI ptt file) | no data | 27 | 78 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_01066 | | hypothetical protein | insig. | 28 | 84 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS08690 | rpoE;go_component=cytoplasm|0005737||IEA;go_function=sigma | RNA polymerase sigma factor RpoE | strong | 27 | 72 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_03265 | | alginate biosynthesis protein AlgZ/FimS | strong | 27 | 72 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS44160 | rpoE;go_component=cytoplasm|0005737||IEA;go_function=sigma | RNA polymerase sigma factor RpoE | strong | 27 | 72 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3835 | | RNA polymerase, sigma-24 subunit, ECF subfamily (RefSeq) | insig. | 26 | 81 |
| | Sinorhizobium meliloti 1021 | SMc01506 | | RNA polymerase sigma factor | strong | 26 | 84 |