Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| Caulobacter crescentus NA1000 | CCNA_03362 | | ECF-family RNA polymerase sigma factor | strong | 100 | 100 |
o | Caulobacter crescentus NA1000 Δfur | CCNA_03362 | | ECF-family RNA polymerase sigma factor | cofit | 100 | 100 |
o | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS01090 | | sigma-70 family RNA polymerase sigma factor | insig. | 55 | 97 |
o | Variovorax sp. OAS795 | ABID97_RS16825 | | sigma-70 family RNA polymerase sigma factor | insig. | 50 | 97 |
o | Paraburkholderia sabiae LMG 24235 | QEN71_RS20845 | | sigma-70 family RNA polymerase sigma factor | insig. | 49 | 98 |
o | Herbaspirillum seropedicae SmR1 | HSERO_RS16195 | | RNA polymerase sigma factor | insig. | 49 | 96 |
o | Burkholderia phytofirmans PsJN | BPHYT_RS25505 | | RNA polymerase sigma factor | insig. | 46 | 98 |
| Acidovorax sp. GW101-3H11 | Ac3H11_1827 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 47 | 98 |
o | Variovorax sp. SCN45 | GFF320 | | RNA polymerase ECF-type sigma factor | insig. | 48 | 96 |
| Burkholderia phytofirmans PsJN | BPHYT_RS25560 | | RNA polymerase sigma factor | insig. | 47 | 97 |
o | Bosea sp. OAE506 | ABIE41_RS02435 | | sigma-70 family RNA polymerase sigma factor | insig. | 46 | 98 |
o | Agrobacterium fabrum C58 | Atu2268 | | ECF family sigma factor | insig. | 50 | 92 |
o | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3636 | | RNA polymerase sigma factor, sigma-70 family | insig. | 44 | 98 |
o | Dechlorosoma suillum PS | Dsui_0155 | | RNA polymerase sigma factor, sigma-70 family | strong | 47 | 97 |
o | Pseudomonas putida KT2440 | PP_0994 | | putative RNA polymerase sigma factor | insig. | 43 | 92 |
o | Azospirillum sp. SherDot2 | MPMX19_04570 | | ECF RNA polymerase sigma factor SigF | insig. | 44 | 92 |
o | Pseudomonas stutzeri RCH2 | Psest_0114 | | RNA polymerase sigma factor, sigma-70 family | insig. | 44 | 96 |
o | Rhodopseudomonas palustris CGA009 | TX73_009325 | | sigma-70 family RNA polymerase sigma factor | insig. | 44 | 92 |
o | Rhizobium sp. OAE497 | ABIE40_RS01010 | | sigma-70 family RNA polymerase sigma factor | insig. | 41 | 94 |
| Rhizobium sp. OAE497 | ABIE40_RS19610 | | sigma-70 family RNA polymerase sigma factor | insig. | 43 | 85 |
o | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01786 | | RNA polymerase sigma-70 factor, ECF subfamily | insig. | 39 | 96 |
o | Sinorhizobium meliloti 1021 | SM_b20531 | | RNA polymerase sigma factor | insig. | 38 | 94 |
o | Rhodanobacter sp. FW510-T8 | OKGIIK_03490 | | hypothetical protein | insig. | 43 | 88 |
| Dyella japonica UNC79MFTsu3.2 | ABZR86_RS09080 | | sigma-70 family RNA polymerase sigma factor | cofit | 41 | 88 |
| Rhodanobacter denitrificans MT42 | LRK55_RS14380 | | sigma-70 family RNA polymerase sigma factor | insig. | 39 | 94 |
| Rhodanobacter denitrificans FW104-10B01 | LRK54_RS14665 | | sigma-70 family RNA polymerase sigma factor | insig. | 39 | 94 |
o | Pantoea sp. MT58 | IAI47_20240 | | sigma-70 family RNA polymerase sigma factor | insig. | 35 | 95 |
| Azospirillum brasilense Sp245 | AZOBR_RS28490 | | hypothetical protein | sig. | 38 | 91 |
| Mycobacterium tuberculosis H37Rv | Rv1221 | | Alternative RNA polymerase sigma factor SigE | insig. | 34 | 73 |
| Rhodanobacter sp. FW510-T8 | OKGIIK_05040 | | RNA polymerase subunit sigma | insig. | 32 | 89 |
| Rhodanobacter denitrificans FW104-10B01 | LRK54_RS01495 | | sigma-70 family RNA polymerase sigma factor | insig. | 31 | 91 |
| Sphingomonas koreensis DSMZ 15582 | Ga0059261_2952 | | RNA polymerase sigma factor, sigma-70 family | strong | 30 | 91 |
| Azospirillum sp. SherDot2 | MPMX19_05475 | | hypothetical protein | no data | 36 | 77 |
| Pseudomonas stutzeri RCH2 | Psest_3456 | | RNA polymerase sigma factor, sigma-70 family | insig. | 30 | 80 |
| Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS14775 | | sigma-70 family RNA polymerase sigma factor | strong | 30 | 88 |
| Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1738 | | RNA polymerase sigma-54 factor RpoN | insig. | 38 | 53 |
| Magnetospirillum magneticum AMB-1 | AMB_RS09285 | | RNA polymerase sigma factor | no data | 37 | 77 |
| Shewanella amazonensis SB2B | Sama_2036 | | ECF subfamily RNA polymerase sigma-24 factor (RefSeq) | insig. | 30 | 88 |
| Mycobacterium tuberculosis H37Rv | Rv0735 | | Probable alternative RNA polymerase sigma factor SigL | insig. | 34 | 74 |
| Azospirillum sp. SherDot2 | MPMX19_05214 | | ECF RNA polymerase sigma factor SigE | insig. | 34 | 91 |
| Pseudomonas stutzeri RCH2 | Psest_4339 | | DNA-directed RNA polymerase specialized sigma subunit, sigma24 homolog | strong | 29 | 92 |
| Alteromonas macleodii MIT1002 | MIT1002_00882 | | Sigma-W factor | insig. | 28 | 85 |
| Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_19605 | | RNA polymerase | insig. | 27 | 75 |
| Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS15190 | | RNA polymerase sigma factor | insig. | 25 | 74 |
| Shewanella oneidensis MR-1 | SO3840 | | RNA polymerase sigma-70 factor, ECF subfamily (NCBI ptt file) | insig. | 24 | 88 |
| Phocaeicola dorei CL03T12C01 | ABI39_RS04680 | | RNA polymerase sigma factor | insig. | 30 | 74 |
| Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS18610 | | RNA polymerase sigma-70 factor | insig. | 27 | 79 |
| Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS12095 | | RNA polymerase subunit sigma-70 | insig. | 25 | 88 |
| Mycobacterium tuberculosis H37Rv | Rv3911 | | Possible alternative RNA polymerase sigma factor SigM | insig. | 32 | 61 |
| Shewanella sp. ANA-3 | Shewana3_0763 | | ECF subfamily RNA polymerase sigma-24 factor (RefSeq) | insig. | 25 | 88 |
| Mycobacterium tuberculosis H37Rv | Rv3414c | | Probable alternative RNA polymerase sigma-D factor SigD | sig. | 29 | 97 |
| Fusobacterium nucleatum SB010 | HUW76_07635 | | RNA polymerase sigma factor | no data | 27 | 69 |
| Sphingomonas koreensis DSMZ 15582 | Ga0059261_3492 | | RNA polymerase sigma factor, sigma-70 family | strong | 32 | 85 |
| Sphingomonas koreensis DSMZ 15582 | Ga0059261_0778 | | RNA polymerase sigma factor, sigma-70 family | insig. | 31 | 83 |
o | Cupriavidus basilensis FW507-4G11 | RR42_RS35625 | | RNA polymerase sigma24 factor | insig. | 31 | 92 |
o | Castellaniella sp019104865 MT123 | ABCV34_RS09955 | | sigma-70 family RNA polymerase sigma factor | insig. | 30 | 93 |
| Bacteroides stercoris CC31F | HMPREF1181_RS02545 | | sigma-70 family RNA polymerase sigma factor | insig. | 29 | 78 |
| Marinobacter adhaerens HP15 | HP15_342 | | RNA polymerase sigma factor SigE | insig. | 28 | 78 |
| Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS01700 | | RNA polymerase sigma factor | insig. | 26 | 74 |
| Pseudomonas simiae WCS417 | PS417_00810 | | RNA polymerase sigma factor | insig. | 33 | 69 |
| Lysobacter sp. OAE881 | ABIE51_RS05545 | | RNA polymerase sigma factor | insig. | 36 | 69 |
| Caulobacter crescentus NA1000 | CCNA_02837 | | RNA polymerase ECF-type sigma factor | insig. | 35 | 85 |
| Caulobacter crescentus NA1000 Δfur | CCNA_02837 | | RNA polymerase ECF-type sigma factor | cofit | 35 | 85 |
| Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS12120 | | RNA polymerase sigma factor | sig. | 30 | 74 |
| Bacteroides ovatus ATCC 8483 | BACOVA_03129 | | Sigma-70 region 2 | insig. | 23 | 98 |
| Parabacteroides merdae CL09T00C40 | HMPREF1078_RS13165 | | RNA polymerase sigma factor | insig. | 23 | 77 |
| Bacteroides ovatus ATCC 8483 | BACOVA_01066 | | hypothetical protein | insig. | 27 | 80 |
| Pseudomonas fluorescens SBW25 | PFLU_RS00840 | | RNA polymerase sigma factor | insig. | 33 | 69 |
| Pseudomonas fluorescens SBW25-INTG | PFLU_RS00840 | | RNA polymerase sigma factor | sig. | 33 | 69 |
| Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS07135 | | RNA polymerase sigma factor | insig. | 26 | 66 |
| Bosea sp. OAE506 | ABIE41_RS04095 | | sigma-70 family RNA polymerase sigma factor | strong | 29 | 85 |
| Bacteroides thetaiotaomicron VPI-5482 | BT4347 | | RNA polymerase ECF-type sigma factor (NCBI ptt file) | insig. | 24 | 92 |
| Lysobacter sp. OAE881 | ABIE51_RS18540 | | sigma-70 family RNA polymerase sigma factor | insig. | 27 | 78 |
| Bacteroides ovatus ATCC 8483 | BACOVA_00098 | | RNA polymerase sigma-70 factor | insig. | 26 | 80 |
| Bacteroides thetaiotaomicron VPI-5482 | BT2044 | | RNA polymerase ECF-type sigma factor (NCBI ptt file) | insig. | 22 | 80 |
| Dinoroseobacter shibae DFL-12 | Dshi_0366 | | RNA polymerase, sigma-24 subunit, ECF subfamily (RefSeq) | insig. | 26 | 88 |
| Bacteroides ovatus ATCC 8483 | BACOVA_05165 | | Sigma-70 region 2 | insig. | 24 | 78 |
| Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS02635 | | RNA polymerase sigma factor | insig. | 33 | 78 |
| Sphingomonas koreensis DSMZ 15582 | Ga0059261_3853 | | RNA polymerase sigma factor, sigma-70 family | insig. | 32 | 80 |
| Azospirillum brasilense Sp245 | AZOBR_RS00810 | | RNA polymerase sigma factor RpoE | insig. | 30 | 87 |
| Kangiella aquimarina DSM 16071 | B158DRAFT_0139 | | RNA polymerase sigma factor, sigma-70 family | insig. | 28 | 94 |
| Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS16905 | | sigma-70 family RNA polymerase sigma factor | insig. | 26 | 95 |
| Bacteroides ovatus ATCC 8483 | BACOVA_01909 | | Sigma-70 region 2 | sig. | 26 | 77 |
| Herbaspirillum seropedicae SmR1 | HSERO_RS13530 | | RNA polymerase subunit sigma-24 | no data | 34 | 80 |
| Caulobacter crescentus NA1000 | CCNA_03589 | | RNA polymerase EcfG family sigma factor sigT | strong | 28 | 83 |
| Caulobacter crescentus NA1000 Δfur | CCNA_03589 | | RNA polymerase EcfG family sigma factor sigT | cofit | 28 | 83 |
| Shewanella loihica PV-4 | Shew_2956 | | ECF subfamily RNA polymerase sigma-24 factor (RefSeq) | insig. | 28 | 91 |
| Bacteroides thetaiotaomicron VPI-5482 | BT3396 | | RNA polymerase ECF-type sigma factor (NCBI ptt file) | strong | 26 | 77 |
| Bacteroides thetaiotaomicron VPI-5482 | BT1103 | | RNA polymerase ECF-type sigma factor (NCBI ptt file) | insig. | 30 | 68 |
| Rhodanobacter denitrificans MT42 | LRK55_RS07240 | | sigma-70 family RNA polymerase sigma factor | cofit | 30 | 88 |
| Rhodanobacter denitrificans FW104-10B01 | LRK54_RS07500 | | sigma-70 family RNA polymerase sigma factor | insig. | 30 | 88 |
| Phocaeicola dorei CL03T12C01 | ABI39_RS12815 | | sigma-70 family RNA polymerase sigma factor | insig. | 26 | 95 |
| Bacteroides stercoris CC31F | HMPREF1181_RS08110 | | sigma-70 family RNA polymerase sigma factor | insig. | 25 | 80 |
| Bacteroides ovatus ATCC 8483 | BACOVA_00923 | | RNA polymerase sigma-70 factor | insig. | 23 | 91 |
| Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_4300 | | RNA polymerase sigma factor, sigma-70 family | insig. | 26 | 79 |
| Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_11965 | | RNA polymerase subunit sigma | insig. | 26 | 77 |
| Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS04435 | | RNA polymerase sigma factor | insig. | 25 | 77 |
| Pseudomonas sp. RS175 | PFR28_04750 | | RNA polymerase sigma-H factor | insig. | 32 | 69 |
| Sinorhizobium meliloti 1021 | SMc01506 | | RNA polymerase sigma factor | strong | 30 | 83 |
| Pseudomonas fluorescens FW300-N2C3 | AO356_10740 | | RNA polymerase subunit sigma | insig. | 30 | 91 |