| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Azospirillum sp. SherDot2 | MPMX19_05228 | | Anti-sigma-E factor ChrR | insig. | 100 | 100 |
| | Azospirillum brasilense Sp245 | AZOBR_RS21195 | | putative transcriptional activator | insig. | 41 | 96 |
| | Azospirillum sp. SherDot2 | MPMX19_05743 | | Anti-sigma-E factor ChrR | insig. | 39 | 96 |
| | Rhizobium sp. OAE497 | ABIE40_RS26960 | | ChrR family anti-sigma-E factor | no data | 36 | 94 |
| | Azospirillum sp. SherDot2 | MPMX19_02021 | | Anti-sigma-E factor ChrR | insig. | 38 | 96 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0365 | | anti-ECFsigma factor, ChrR (RefSeq) | strong | 32 | 96 |
| | Rhodospirillum rubrum S1H | Rru_A0721 | | Anti-Sigm factor, ChrR (NCBI) | strong | 37 | 95 |
| | Azospirillum brasilense Sp245 | AZOBR_RS00815 | | putative transcriptional activator | strong | 36 | 96 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c27500 | | transcriptional activator ChrR | sig. | 36 | 96 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_0891 | | anti-ECFsigma factor, ChrR | insig. | 30 | 95 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0891 | | anti-ECFsigma factor, ChrR | insig. | 30 | 95 |
| | Rhodopseudomonas palustris CGA009 | TX73_002845 | | ChrR family anti-sigma-E factor | insig. | 35 | 96 |
| | Xanthobacter sp. DMC5 | GFF3077 | | Anti-sigma-E factor ChrR | insig. | 34 | 94 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_11710 | | transcriptional regulator | cofit | 25 | 94 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS07245 | | ChrR family anti-sigma-E factor | sig. | 26 | 95 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_13925 | | Transcriptional regulator | no data | 26 | 95 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS07505 | | ChrR family anti-sigma-E factor | no data | 26 | 95 |
| | Caulobacter crescentus NA1000 | CCNA_00684 | | anti-sigma factor, ChrR-family | strong | 29 | 93 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00684 | | anti-sigma factor, ChrR-family | cofit | 29 | 93 |
| | Bosea sp. OAE506 | ABIE41_RS10285 | | ChrR family anti-sigma-E factor | insig. | 28 | 94 |
| | Variovorax sp. OAS795 | ABID97_RS21870 | | ChrR family anti-sigma-E factor | no data | 29 | 96 |
| | Shewanella oneidensis MR-1 | SO1985 | | transcriptional activator, putative (NCBI ptt file) | strong | 26 | 94 |
| | Shewanella amazonensis SB2B | Sama_2037 | | anti-ECFsigma factor, ChrR (RefSeq) | strong | 24 | 94 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS05850 | | ChrR family anti-sigma-E factor | no data | 26 | 94 |
| | Marinobacter adhaerens HP15 | HP15_269 | | anti-sigma factor ChrR | no data | 24 | 92 |
| | Shewanella sp. ANA-3 | Shewana3_2466 | | anti-ECFsigma factor, ChrR (RefSeq) | cofit | 25 | 94 |
| | Rhizobium sp. OAE497 | ABIE40_RS08290 | | ChrR family anti-sigma-E factor | cofit | 27 | 91 |
| | Alteromonas macleodii MIT1002 | MIT1002_02681 | | Transcriptional activator ChrR | strong | 22 | 94 |
| | Shewanella loihica PV-4 | Shew_1477 | | anti-ECFsigma factor, ChrR (RefSeq) | strong | 26 | 90 |
| | Rhizobium sp. OAE497 | ABIE40_RS26520 | | cupin domain-containing protein | insig. | 38 | 34 |
| | Sinorhizobium meliloti 1021 | SMa5034 | | hypothetical protein | insig. | 35 | 34 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0025 | | anti-ECFsigma factor, ChrR (RefSeq) | insig. | 35 | 34 |
| | Alteromonas macleodii MIT1002 | MIT1002_01493 | | anti-sigma factor, putative, ChrR family | insig. | 33 | 38 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00996 | | ChrR Cupin-like domain-containing protein | insig. | 30 | 61 |
| | Rhizobium sp. OAE497 | ABIE40_RS14110 | | cupin domain-containing protein | insig. | 41 | 21 |