| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_08440 | | phage shock protein operon transcriptional activator | insig. | 100 | 100 |
| o | Dickeya dianthicola ME23 | DZA65_RS12950 | | phage shock protein operon transcriptional activator | insig. | 64 | 96 |
| o | Dickeya dadantii 3937 | DDA3937_RS12430 | | phage shock protein operon transcriptional activator | insig. | 63 | 98 |
| o | Dickeya dianthicola 67-19 | HGI48_RS12500 | | phage shock protein operon transcriptional activator | insig. | 63 | 96 |
| o | Escherichia fergusonii Becca | EFB2_02624 | | Psp operon transcriptional activator | insig. | 63 | 96 |
| o | Escherichia coli ECOR27 | NOLOHH_20100 | pspF | phage shock protein operon transcriptional activator | insig. | 63 | 96 |
| o | Escherichia coli ECOR38 | HEPCGN_25785 | pspF | phage shock protein operon transcriptional activator | insig. | 63 | 96 |
| o | Escherichia coli ECRC100 | OKFHMN_02415 | pspF | phage shock protein operon transcriptional activator | insig. | 63 | 96 |
| o | Escherichia coli ECRC101 | MCAODC_15855 | pspF | phage shock protein operon transcriptional activator | insig. | 63 | 96 |
| o | Escherichia coli ECRC102 | NIAGMN_26585 | pspF | phage shock protein operon transcriptional activator | no data | 63 | 96 |
| o | Escherichia coli ECRC62 | BNILDI_18250 | pspF | phage shock protein operon transcriptional activator | insig. | 63 | 96 |
| o | Escherichia coli ECRC98 | JDDGAC_04960 | pspF | phage shock protein operon transcriptional activator | insig. | 63 | 96 |
| o | Escherichia coli ECRC99 | KEDOAH_26360 | pspF | phage shock protein operon transcriptional activator | no data | 63 | 96 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02379 | | Psp operon transcriptional activator | insig. | 63 | 96 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2687 | | Psp operon transcriptional activator | cofit | 64 | 96 |
| o | Escherichia coli Nissle 1917 | ECOLIN_RS07845 | | phage shock protein operon transcriptional activator | no data | 63 | 96 |
| o | Klebsiella michiganensis M5al | BWI76_RS12445 | | phage shock protein operon transcriptional activator | insig. | 64 | 96 |
| o | Escherichia coli BL21 | ECD_01280 | | psp operon transcriptional activator | no data | 63 | 96 |
| o | Escherichia coli BW25113 | b1303 | pspF | psp operon transcriptional activator (VIMSS) | strong | 63 | 96 |
| o | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_23015 | pspF | phage shock protein operon transcriptional activator | cofit | 63 | 95 |
| o | Erwinia tracheiphila SCR3 | LU632_RS11565 | pspF | phage shock protein operon transcriptional activator | insig. | 63 | 95 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS06760 | | phage shock protein operon transcriptional activator | cofit | 63 | 95 |
| o | Serratia liquefaciens MT49 | IAI46_13505 | | phage shock protein operon transcriptional activator | insig. | 62 | 98 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_19915 | | phage shock protein operon transcriptional activator | insig. | 63 | 96 |
| o | Rahnella sp. WP5 | EX31_RS15690 | | phage shock protein operon transcriptional activator | insig. | 61 | 98 |
| o | Erwinia amylovora T8 | OLJFJH_13670 | | phage shock protein operon transcriptional activator | insig. | 61 | 98 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS09515 | | phage shock protein operon transcriptional activator | insig. | 62 | 96 |
| o | Pantoea sp. MT58 | IAI47_09390 | | phage shock protein operon transcriptional activator | strong | 62 | 97 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_0975 | | psp operon transcriptional activator PspF | insig. | 62 | 96 |
| o | Enterobacter sp. TBS_079 | MPMX20_02473 | | Psp operon transcriptional activator | insig. | 62 | 96 |
| o | Shewanella oneidensis MR-1 | SO1806 | pspF | psp operon transcriptional activator (NCBI ptt file) | strong | 56 | 96 |
| o | Shewanella sp. ANA-3 | Shewana3_2649 | | Fis family transcriptional regulator (RefSeq) | insig. | 55 | 96 |
| o | Shewanella loihica PV-4 | Shew_2497 | | sigma-54 dependent trancsriptional regulator (RefSeq) | strong | 57 | 96 |
| o | Shewanella amazonensis SB2B | Sama_1236 | | psp operon transcriptional activator (RefSeq) | strong | 56 | 96 |
| o | Azospirillum sp. SherDot2 | MPMX19_02138 | | Psp operon transcriptional activator | strong | 56 | 95 |
| o | Azospirillum brasilense Sp245 | AZOBR_RS02540 | | ATPase AAA | insig. | 54 | 95 |
| o | Alteromonas macleodii MIT1002 | MIT1002_01142 | | Phage shock protein F | cofit | 50 | 99 |
| o | Rhodospirillum rubrum S1H | Rru_A1219 | | Sigma54 Specific Transcriptional Regulator containing PAS, and Fis DNA-binding domains (NCBI) | cofit | 53 | 95 |
| o | Sphingomonas koreensis DSMZ 15582 | Ga0059261_4149 | | psp operon transcriptional activator PspF | strong | 49 | 96 |
| o | Sphingobium sp. HT1-2 | GFF989 | | Psp operon transcriptional activator | cofit | 49 | 95 |
| o | Desulfovibrio vulgaris Hildenborough JW710 | DVU2989 | pspF | psp operon transcriptional activator (TIGR) | insig. | 48 | 95 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1798 | | sigma54 specific transcriptional acivator, PspF, Fis family (RefSeq) | sig. | 60 | 68 |
| | Ralstonia solanacearum GMI1000 | RS_RS25105 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 41 | 97 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3220 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 41 | 95 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS23315 | | sigma-54-dependent Fis family transcriptional regulator | strong | 41 | 98 |
| | Ralstonia solanacearum UW163 | UW163_RS16565 | | sigma-54-dependent Fis family transcriptional regulator | strong | 41 | 98 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS07835 | | sigma-54-dependent Fis family transcriptional regulator | strong | 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. | 41 | 95 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 41 | 95 |
| | Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 41 | 95 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2200 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 41 | 95 |
| | Azospirillum sp. SherDot2 | MPMX19_01840 | | Nif-specific regulatory protein | insig. | 52 | 67 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 41 | 95 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 41 | 95 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 41 | 95 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS32695 | | Fis family transcriptional regulator | insig. | 43 | 93 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS23515 | | sigma-54 dependent transcriptional regulator | strong | 40 | 98 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 49 | 69 |
| | Rhodopseudomonas palustris CGA009 | TX73_007055 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 40 | 95 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2934 | ntrX | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 40 | 95 |
| | Shewanella oneidensis MR-1 | SO3059 | | formate hydrogenlyase transcriptional activator, putative (NCBI ptt file) | insig. | 38 | 96 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_10090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 50 | 68 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2748 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 48 | 71 |
| | Escherichia coli ECOR38 | HEPCGN_21015 | hyfR | DNA-binding transcriptional activator HyfR | insig. | 49 | 68 |
| | Escherichia coli BL21 | ECD_02383 | | hydrogenase-4 transcriptional activator | cofit | 49 | 68 |
| | Escherichia coli ECRC100 | OKFHMN_21850 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 49 | 68 |
| | Escherichia coli ECRC101 | MCAODC_12380 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 49 | 68 |
| | Escherichia coli ECRC102 | NIAGMN_19620 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 49 | 68 |
| | Escherichia coli ECRC62 | BNILDI_12310 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 49 | 68 |
| | Escherichia coli ECRC98 | JDDGAC_25795 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 49 | 68 |
| | Escherichia coli ECRC99 | KEDOAH_06370 | hyfR | DNA-binding transcriptional regulator HyfR | no data | 49 | 68 |
| | Escherichia coli BW25113 | b2491 | hyfR | putative 2-component regulator, interaction with sigma 54 (VIMSS) | sig. | 49 | 68 |
| | Dechlorosoma suillum PS | Dsui_0940 | | Nif-specific regulatory protein | strong | 51 | 68 |
| | Xanthobacter sp. DMC5 | GFF848 | | DNA-binding transcriptional regulator NtrC | no data | 41 | 94 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01235 | | DNA-binding transcriptional activator HyfR | cofit | 49 | 68 |
| | Escherichia coli ECOR27 | NOLOHH_13500 | | Fis family transcriptional regulator | insig. | 50 | 67 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 50 | 69 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1530 | | Flagellar regulatory protein FleQ | strong | 51 | 68 |
| | Azospirillum sp. SherDot2 | MPMX19_03461 | | Regulatory protein AtoC | insig. | 48 | 68 |
| | Shewanella sp. ANA-3 | Shewana3_1488 | | sigma-54 dependent trancsriptional regulator (RefSeq) | insig. | 38 | 96 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3635 | | Nitrogen regulation protein NR(I) | insig. | 51 | 68 |
| | Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 49 | 69 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2359 | | sigma-54 dependent transcriptional regulator (TIGR) | insig. | 50 | 68 |
| | Xanthobacter sp. DMC5 | GFF4834 | | Regulatory protein AtoC | insig. | 40 | 96 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 49 | 69 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 49 | 69 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 49 | 69 |
| | Rhodospirillum rubrum S1H | Rru_A1385 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | cofit | 47 | 70 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS15515 | | nitrogen regulation protein NR(I) | strong | 43 | 93 |
| | Rahnella sp. WP5 | EX31_RS15395 | | nif-specific transcriptional activator NifA | insig. | 41 | 93 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2114 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 40 | 95 |
| | Shewanella amazonensis SB2B | Sama_2301 | | response regulator receiver protein (RefSeq) | strong | 39 | 96 |
| | Rhodospirillum rubrum S1H | Rru_A1388 | | Transcriptional Regulator, NifA subfamily, Fis Family (NCBI) | cofit | 39 | 95 |
| | Rhizobium sp. OAE497 | ABIE40_RS09090 | | nitrogen regulation protein NR(I) | strong | 39 | 95 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 69 |
| | Bosea sp. OAE506 | ABIE41_RS16785 | | nitrogen regulation protein NR(I) | insig. | 41 | 95 |
| | Dickeya dadantii 3937 | DDA3937_RS07400 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 68 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 69 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2149 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 47 | 69 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS00570 | | nitrogen regulation protein NR(I) | sig. | 43 | 93 |