| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Shewanella loihica PV-4 | Shew_2497 | | sigma-54 dependent trancsriptional regulator (RefSeq) | strong | 100 | 100 |
| o | Shewanella sp. ANA-3 | Shewana3_2649 | | Fis family transcriptional regulator (RefSeq) | insig. | 78 | 100 |
| o | Shewanella oneidensis MR-1 | SO1806 | pspF | psp operon transcriptional activator (NCBI ptt file) | strong | 78 | 100 |
| o | Shewanella amazonensis SB2B | Sama_1236 | | psp operon transcriptional activator (RefSeq) | strong | 77 | 100 |
| o | Alteromonas macleodii MIT1002 | MIT1002_01142 | | Phage shock protein F | cofit | 64 | 100 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS06760 | | phage shock protein operon transcriptional activator | cofit | 60 | 97 |
| o | Serratia liquefaciens MT49 | IAI46_13505 | | phage shock protein operon transcriptional activator | insig. | 61 | 98 |
| o | Escherichia coli BL21 | ECD_01280 | | psp operon transcriptional activator | no data | 61 | 97 |
| o | Escherichia coli BW25113 | b1303 | pspF | psp operon transcriptional activator (VIMSS) | strong | 61 | 97 |
| o | Escherichia fergusonii Becca | EFB2_02624 | | Psp operon transcriptional activator | insig. | 61 | 97 |
| o | Escherichia coli ECOR38 | HEPCGN_25785 | pspF | phage shock protein operon transcriptional activator | insig. | 60 | 97 |
| o | Escherichia coli ECOR27 | NOLOHH_20100 | pspF | phage shock protein operon transcriptional activator | insig. | 60 | 97 |
| o | Escherichia coli ECRC100 | OKFHMN_02415 | pspF | phage shock protein operon transcriptional activator | insig. | 60 | 97 |
| o | Escherichia coli ECRC101 | MCAODC_15855 | pspF | phage shock protein operon transcriptional activator | insig. | 60 | 97 |
| o | Escherichia coli ECRC102 | NIAGMN_26585 | pspF | phage shock protein operon transcriptional activator | no data | 60 | 97 |
| o | Escherichia coli ECRC62 | BNILDI_18250 | pspF | phage shock protein operon transcriptional activator | insig. | 60 | 97 |
| o | Escherichia coli ECRC98 | JDDGAC_04960 | pspF | phage shock protein operon transcriptional activator | insig. | 60 | 97 |
| o | Escherichia coli ECRC99 | KEDOAH_26360 | pspF | phage shock protein operon transcriptional activator | no data | 60 | 97 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02379 | | Psp operon transcriptional activator | insig. | 60 | 97 |
| o | Escherichia coli Nissle 1917 | ECOLIN_RS07845 | | phage shock protein operon transcriptional activator | no data | 60 | 97 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_19915 | | phage shock protein operon transcriptional activator | insig. | 60 | 97 |
| o | Enterobacter sp. TBS_079 | MPMX20_02473 | | Psp operon transcriptional activator | insig. | 60 | 97 |
| o | Klebsiella michiganensis M5al | BWI76_RS12445 | | phage shock protein operon transcriptional activator | insig. | 60 | 97 |
| o | Dickeya dianthicola ME23 | DZA65_RS12950 | | phage shock protein operon transcriptional activator | insig. | 60 | 98 |
| o | Dickeya dianthicola 67-19 | HGI48_RS12500 | | phage shock protein operon transcriptional activator | insig. | 60 | 98 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_0975 | | psp operon transcriptional activator PspF | insig. | 59 | 97 |
| o | Pantoea sp. MT58 | IAI47_09390 | | phage shock protein operon transcriptional activator | strong | 58 | 97 |
| o | Dickeya dadantii 3937 | DDA3937_RS12430 | | phage shock protein operon transcriptional activator | insig. | 58 | 98 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS09515 | | phage shock protein operon transcriptional activator | insig. | 59 | 98 |
| o | Erwinia amylovora T8 | OLJFJH_13670 | | phage shock protein operon transcriptional activator | insig. | 59 | 97 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2687 | | Psp operon transcriptional activator | cofit | 58 | 97 |
| o | Rahnella sp. WP5 | EX31_RS15690 | | phage shock protein operon transcriptional activator | insig. | 59 | 97 |
| o | Vibrio cholerae E7946 ATCC 55056 | CSW01_08440 | | phage shock protein operon transcriptional activator | insig. | 57 | 97 |
| o | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_23015 | pspF | phage shock protein operon transcriptional activator | cofit | 58 | 97 |
| o | Erwinia tracheiphila SCR3 | LU632_RS11565 | pspF | phage shock protein operon transcriptional activator | insig. | 58 | 97 |
| o | Azospirillum sp. SherDot2 | MPMX19_02138 | | Psp operon transcriptional activator | strong | 56 | 97 |
| o | Azospirillum brasilense Sp245 | AZOBR_RS02540 | | ATPase AAA | insig. | 56 | 98 |
| o | Sphingobium sp. HT1-2 | GFF989 | | Psp operon transcriptional activator | cofit | 53 | 98 |
| o | Sphingomonas koreensis DSMZ 15582 | Ga0059261_4149 | | psp operon transcriptional activator PspF | strong | 53 | 97 |
| o | Rhodospirillum rubrum S1H | Rru_A1219 | | Sigma54 Specific Transcriptional Regulator containing PAS, and Fis DNA-binding domains (NCBI) | cofit | 51 | 97 |
| o | Desulfovibrio vulgaris Hildenborough JW710 | DVU2989 | pspF | psp operon transcriptional activator (TIGR) | insig. | 44 | 96 |
| o | Desulfovibrio vulgaris Miyazaki F | DvMF_1798 | | sigma54 specific transcriptional acivator, PspF, Fis family (RefSeq) | sig. | 40 | 96 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS14390 | | ATPase AAA | strong | 40 | 99 |
| | Azospirillum brasilense Sp245 | AZOBR_RS29300 | | Fis family transcriptional regulator | insig. | 48 | 68 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 52 | 65 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS42175 | | nif-specific transcriptional activator NifA | insig. | 41 | 98 |
| | Escherichia coli ECOR38 | HEPCGN_21015 | hyfR | DNA-binding transcriptional activator HyfR | insig. | 51 | 65 |
| | Escherichia coli BL21 | ECD_02383 | | hydrogenase-4 transcriptional activator | cofit | 51 | 65 |
| | Escherichia coli ECRC62 | BNILDI_12310 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 51 | 65 |
| | Escherichia coli BW25113 | b2491 | hyfR | putative 2-component regulator, interaction with sigma 54 (VIMSS) | sig. | 51 | 65 |
| | Escherichia coli ECRC100 | OKFHMN_21850 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 51 | 65 |
| | Escherichia coli ECRC101 | MCAODC_12380 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 51 | 65 |
| | Escherichia coli ECRC102 | NIAGMN_19620 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 51 | 65 |
| | Escherichia coli ECRC98 | JDDGAC_25795 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 51 | 65 |
| | Escherichia coli ECRC99 | KEDOAH_06370 | hyfR | DNA-binding transcriptional regulator HyfR | no data | 51 | 65 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01235 | | DNA-binding transcriptional activator HyfR | cofit | 50 | 65 |
| | Rhodopseudomonas palustris CGA009 | TX73_007390 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 49 | 67 |
| | Rhodospirillum rubrum S1H | Rru_A1388 | | Transcriptional Regulator, NifA subfamily, Fis Family (NCBI) | cofit | 47 | 69 |
| | Rhodospirillum rubrum S1H | Rru_A0993 | | Transcriptional Regulator, NifA, Fis Family (NCBI) | strong | 50 | 67 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3220 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 40 | 99 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 47 | 72 |
| | Rhodopseudomonas palustris CGA009 | TX73_024055 | | nif-specific transcriptional activator NifA | strong | 39 | 98 |
| | Escherichia coli ECOR27 | NOLOHH_13500 | | Fis family transcriptional regulator | insig. | 51 | 62 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2200 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 39 | 98 |
| | Azospirillum sp. SherDot2 | MPMX19_01840 | | Nif-specific regulatory protein | insig. | 51 | 65 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_10090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 49 | 65 |
| | Rhodopseudomonas palustris CGA009 | TX73_007055 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 46 | 69 |
| | Azospirillum sp. SherDot2 | MPMX19_03461 | | Regulatory protein AtoC | insig. | 38 | 99 |
| | Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 49 | 67 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 49 | 67 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 48 | 67 |
| | Dickeya dadantii 3937 | DDA3937_RS07400 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 47 | 72 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 49 | 67 |
| | Dickeya dadantii 3937 | DDA3937_RS18805 | | nif-specific transcriptional activator NifA | insig. | 40 | 96 |
| | Dickeya dianthicola ME23 | DZA65_RS07775 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 39 | 97 |
| | Dickeya dianthicola 67-19 | HGI48_RS07265 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 39 | 97 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 49 | 67 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 49 | 67 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 67 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 38 | 99 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 38 | 99 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 38 | 99 |
| | Serratia liquefaciens MT49 | IAI46_12570 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 49 | 65 |
| | Pseudomonas sp. RS175 | PFR28_01986 | | Phenol regulator MopR | insig. | 49 | 67 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 67 |
| | Methylophilus sp. DMC18 | GFF149 | | Nif-specific regulatory protein | insig. | 41 | 99 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS17530 | | nif-specific transcriptional activator NifA | insig. | 40 | 97 |
| | Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | insig. | 38 | 99 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 38 | 99 |
| | Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 38 | 99 |
| | Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 48 | 67 |
| | Dickeya dianthicola 67-19 | HGI48_RS18785 | | nif-specific transcriptional activator NifA | insig. | 48 | 66 |
| | Dickeya dianthicola ME23 | DZA65_RS19920 | | nif-specific transcriptional activator NifA | insig. | 48 | 66 |
| | Rahnella sp. WP5 | EX31_RS15395 | | nif-specific transcriptional activator NifA | insig. | 39 | 96 |
| | Klebsiella michiganensis M5al | BWI76_RS18890 | | nif-specific transcriptional activator NifA | sig. | 39 | 96 |
| | Pantoea sp. MT58 | IAI47_21575 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 41 | 93 |
| | Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 67 |
| | Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 67 |
| | Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 48 | 67 |
| | Escherichia coli BL21 | ECD_02581 | | formate hydrogenlyase transcriptional activator | insig. | 50 | 65 |