| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Shewanella amazonensis SB2B | Sama_2037 | | anti-ECFsigma factor, ChrR (RefSeq) | strong | 100 | 100 |
| o | Shewanella sp. ANA-3 | Shewana3_2466 | | anti-ECFsigma factor, ChrR (RefSeq) | cofit | 47 | 100 |
| o | Shewanella oneidensis MR-1 | SO1985 | | transcriptional activator, putative (NCBI ptt file) | strong | 41 | 100 |
| o | Shewanella loihica PV-4 | Shew_1477 | | anti-ECFsigma factor, ChrR (RefSeq) | strong | 37 | 100 |
| o | Alteromonas macleodii MIT1002 | MIT1002_02681 | | Transcriptional activator ChrR | strong | 29 | 100 |
| o | Vibrio cholerae E7946 ATCC 55056 | CSW01_11710 | | transcriptional regulator | cofit | 30 | 100 |
| o | Rhizobium sp. OAE497 | ABIE40_RS26960 | | ChrR family anti-sigma-E factor | no data | 30 | 94 |
| o | Azospirillum sp. SherDot2 | MPMX19_05743 | | Anti-sigma-E factor ChrR | insig. | 31 | 98 |
| o | Dinoroseobacter shibae DFL-12 | Dshi_0365 | | anti-ECFsigma factor, ChrR (RefSeq) | strong | 27 | 98 |
| o | Azospirillum brasilense Sp245 | AZOBR_RS00815 | | putative transcriptional activator | strong | 27 | 97 |
| o | Rhodospirillum rubrum S1H | Rru_A0721 | | Anti-Sigm factor, ChrR (NCBI) | strong | 26 | 98 |
| o | Phaeobacter inhibens DSM 17395 | PGA1_c27500 | | transcriptional activator ChrR | sig. | 24 | 98 |
| o | Rhodanobacter sp. FW510-T8 | OKGIIK_13925 | | Transcriptional regulator | no data | 36 | 45 |
| o | Rhodopseudomonas palustris CGA009 | TX73_002845 | | ChrR family anti-sigma-E factor | insig. | 25 | 97 |
| o | Bosea sp. OAE506 | ABIE41_RS10285 | | ChrR family anti-sigma-E factor | insig. | 26 | 98 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS07505 | | ChrR family anti-sigma-E factor | no data | 34 | 45 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS07245 | | ChrR family anti-sigma-E factor | sig. | 34 | 45 |
| | Caulobacter crescentus NA1000 | CCNA_00684 | | anti-sigma factor, ChrR-family | strong | 35 | 47 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00684 | | anti-sigma factor, ChrR-family | cofit | 35 | 47 |
| o | Marinobacter adhaerens HP15 | HP15_269 | | anti-sigma factor ChrR | no data | 34 | 38 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS05850 | | ChrR family anti-sigma-E factor | no data | 32 | 47 |
| | Rhizobium sp. OAE497 | ABIE40_RS08290 | | ChrR family anti-sigma-E factor | cofit | 41 | 32 |
| | Azospirillum brasilense Sp245 | AZOBR_RS21195 | | putative transcriptional activator | insig. | 44 | 32 |
| o | Xanthobacter sp. DMC5 | GFF3077 | | Anti-sigma-E factor ChrR | insig. | 28 | 97 |
| | Azospirillum sp. SherDot2 | MPMX19_02021 | | Anti-sigma-E factor ChrR | insig. | 40 | 31 |
| | Azospirillum sp. SherDot2 | MPMX19_05228 | | Anti-sigma-E factor ChrR | insig. | 25 | 93 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_0891 | | anti-ECFsigma factor, ChrR | insig. | 23 | 97 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0891 | | anti-ECFsigma factor, ChrR | insig. | 23 | 97 |
| o | Variovorax sp. OAS795 | ABID97_RS21870 | | ChrR family anti-sigma-E factor | no data | 33 | 44 |
| | Pseudomonas segetis P6 | MPMX49_03249 | | hypothetical protein | insig. | 38 | 26 |
| | Sinorhizobium meliloti 1021 | SMa5034 | | hypothetical protein | insig. | 35 | 24 |
| | Rhizobium sp. OAE497 | ABIE40_RS14110 | | cupin domain-containing protein | insig. | 39 | 25 |
| | Rhizobium sp. OAE497 | ABIE40_RS26520 | | cupin domain-containing protein | insig. | 34 | 27 |
| | Pseudomonas segetis P6 | MPMX49_03249 | | hypothetical protein | insig. | 32 | 33 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0025 | | anti-ECFsigma factor, ChrR (RefSeq) | insig. | 35 | 24 |
| o | Variovorax sp. OAS795 | ABID97_RS21870 | | ChrR family anti-sigma-E factor | no data | 43 | 17 |
| | Pseudomonas sp. BP01 | JOY50_RS12425 | | cupin domain-containing protein | no data | 26 | 33 |
| | Alteromonas macleodii MIT1002 | MIT1002_01493 | | anti-sigma factor, putative, ChrR family | insig. | 28 | 27 |
| | Enterobacter sp. TBS_079 | MPMX20_02520 | | hypothetical protein | insig. | 34 | 24 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0025 | | anti-ECFsigma factor, ChrR (RefSeq) | insig. | 41 | 26 |