| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_04085 | | response regulator | insig. | 100 | 100 |
| o | Serratia liquefaciens MT49 | IAI46_17010 | | two-component response regulator DpiA | insig. | 49 | 99 |
| o | Escherichia coli BL21 | ECD_00590 | | response regulator in two-component regulatory system with CitA | insig. | 50 | 100 |
| o | Escherichia fergusonii Becca | EFB2_03471 | | Transcriptional regulatory protein DpiA | insig. | 50 | 100 |
| o | Escherichia coli ECOR27 | NOLOHH_23810 | dpiA | two-component response regulator DpiA | insig. | 50 | 100 |
| o | Escherichia coli ECOR38 | HEPCGN_00840 | dpiA | two-component response regulator DpiA | insig. | 50 | 100 |
| o | Escherichia coli ECRC100 | OKFHMN_07435 | dpiA | two-component response regulator DpiA | cofit | 50 | 100 |
| o | Escherichia coli ECRC101 | MCAODC_26650 | dpiA | two-component response regulator DpiA | insig. | 50 | 100 |
| o | Escherichia coli ECRC102 | NIAGMN_05490 | dpiA | two-component response regulator DpiA | insig. | 50 | 100 |
| o | Escherichia coli ECRC62 | BNILDI_21820 | dpiA | two-component response regulator DpiA | insig. | 50 | 100 |
| o | Escherichia coli ECRC98 | JDDGAC_11080 | dpiA | two-component response regulator DpiA | insig. | 50 | 100 |
| o | Escherichia coli ECRC99 | KEDOAH_20535 | dpiA | two-component response regulator DpiA | no data | 50 | 100 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03085 | | Transcriptional regulatory protein DpiA | insig. | 50 | 100 |
| o | Escherichia coli Nissle 1917 | ECOLIN_RS03385 | | two-component response regulator DpiA | no data | 50 | 100 |
| o | Escherichia coli BW25113 | b0620 | citB | DNA-binding response regulator in two-component regulatory system with citA (NCBI) | insig. | 50 | 100 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4533 | | Transcriptional regulatory protein CitB, DpiA | cofit | 48 | 99 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1132 | | Transcriptional regulatory protein CitB, DpiA | insig. | 47 | 100 |
| | Serratia liquefaciens MT49 | IAI46_19945 | | response regulator | insig. | 45 | 99 |
| o | Dickeya dianthicola ME23 | DZA65_RS10080 | | response regulator | insig. | 42 | 100 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_12645 | | Transcriptional regulatory protein CitB | insig. | 46 | 100 |
| o | Dickeya dadantii 3937 | DDA3937_RS09755 | | response regulator | insig. | 42 | 100 |
| o | Dickeya dianthicola 67-19 | HGI48_RS09770 | | response regulator | insig. | 42 | 100 |
| o | Klebsiella michiganensis M5al | BWI76_RS04405 | | response regulator | insig. | 44 | 100 |
| o | Enterobacter sp. TBS_079 | MPMX20_03831 | | Transcriptional regulatory protein CitB | sig. | 43 | 99 |
| o | Rahnella sp. WP5 | EX31_RS13605 | | response regulator | insig. | 42 | 98 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2932 | | Response regulator of citrate/malate metabolism | insig. | 44 | 98 |
| o | Klebsiella pneumoniae MRSN742743 | KFA93_RS11240 | | response regulator | insig. | 42 | 99 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_3011 | | Response regulator of citrate/malate metabolism | cofit | 43 | 99 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_12770 | | response regulator | insig. | 42 | 99 |
| | Klebsiella michiganensis M5al | BWI76_RS04545 | | two-component response regulator for citrate | sig. | 42 | 99 |
| | Enterobacter sp. TBS_079 | MPMX20_03728 | | Transcriptional regulatory protein DpiA | insig. | 43 | 98 |
| | Rahnella sp. WP5 | EX31_RS17765 | | response regulator | insig. | 41 | 99 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS12200 | | response regulator | cofit | 40 | 99 |
| | Marinobacter adhaerens HP15 | HP15_2663 | | response regulator receiver and unknown domain protein | strong | 43 | 98 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_08060 | | two-component system response regulator | insig. | 43 | 97 |
| | Dickeya dianthicola 67-19 | HGI48_RS20945 | | two-component system response regulator DcuR | insig. | 33 | 98 |
| | Dickeya dianthicola ME23 | DZA65_RS21930 | | two-component system response regulator DcuR | cofit | 33 | 98 |
| | Dickeya dadantii 3937 | DDA3937_RS00450 | | two-component system response regulator DcuR | insig. | 33 | 98 |
| | Serratia liquefaciens MT49 | IAI46_10075 | | two-component system response regulator DcuR | insig. | 33 | 98 |
| | Pectobacterium carotovorum WPP14 | HER17_RS00205 | | two-component system response regulator DcuR | cofit | 32 | 98 |
| | Klebsiella michiganensis M5al | BWI76_RS16090 | | two-component system response regulator DcuR | insig. | 30 | 96 |
| | Rahnella sp. WP5 | EX31_RS01180 | | two-component system response regulator DcuR | insig. | 30 | 96 |
| | Enterobacter sp. TBS_079 | MPMX20_02962 | | Transcriptional regulatory protein DcuR | insig. | 30 | 98 |
| | Erwinia amylovora T8 | OLJFJH_15130 | | two-component system response regulator DcuR | insig. | 31 | 99 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS16245 | dcuR;go_function=DNA-binding | two-component system response regulator DcuR | insig. | 30 | 96 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0588 | | Response regulator of citrate/malate metabolism | insig. | 29 | 98 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_21110 | | two-component system response regulator DcuR | insig. | 29 | 96 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS20690 | dcuR | two-component system response regulator DcuR | strong | 29 | 96 |
| | Pantoea sp. MT58 | IAI47_20415 | | two-component system response regulator DcuR | sig. | 29 | 96 |
| | Pseudomonas stutzeri RCH2 | Psest_3922 | | Response regulator of citrate/malate metabolism | sig. | 32 | 99 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1480 | | Fumarate respiration transcriptional regulator DcuR | insig. | 30 | 96 |
| | Escherichia coli BL21 | ECD_03995 | | response regulator in two-component regulatory system with DcuS | insig. | 27 | 96 |
| | Escherichia fergusonii Becca | EFB2_04459 | | Transcriptional regulatory protein DcuR | insig. | 27 | 96 |
| | Escherichia coli ECOR27 | NOLOHH_04780 | dcuR | two-component system response regulator DcuR | insig. | 27 | 96 |
| | Escherichia coli ECOR38 | HEPCGN_11150 | dcuR | two-component system response regulator DcuR | insig. | 27 | 96 |
| | Escherichia coli ECRC100 | OKFHMN_12515 | dcuR | two-component system response regulator DcuR | cofit | 27 | 96 |
| | Escherichia coli ECRC101 | MCAODC_03025 | dcuR | two-component system response regulator DcuR | insig. | 27 | 96 |
| | Escherichia coli ECRC102 | NIAGMN_10360 | dcuR | two-component system response regulator DcuR | cofit | 27 | 96 |
| | Escherichia coli ECRC62 | BNILDI_06710 | dcuR | two-component system response regulator DcuR | insig. | 27 | 96 |
| | Escherichia coli ECRC98 | JDDGAC_16150 | dcuR | two-component system response regulator DcuR | insig. | 27 | 96 |
| | Escherichia coli ECRC99 | KEDOAH_15650 | dcuR | two-component system response regulator DcuR | no data | 27 | 96 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03920 | | Transcriptional regulatory protein DcuR | insig. | 27 | 96 |
| | Escherichia coli BW25113 | b4124 | dcuR | DNA-binding response regulator in two-component regulatory system with DcuS (NCBI) | strong | 27 | 96 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23865 | | two-component system response regulator DcuR | insig. | 27 | 96 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0804 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 31 | 52 |
| | Azospirillum brasilense Sp245 | AZOBR_RS18445 | | chemotaxis protein CheY | insig. | 34 | 55 |
| | Azospirillum sp. SherDot2 | MPMX19_02733 | | Regulatory protein LuxO | insig. | 36 | 51 |
| | Azospirillum brasilense Sp245 | AZOBR_RS01060 | | ATPase AAA | insig. | 35 | 50 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS24520 | | hypothetical protein | insig. | 32 | 56 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3023 | atoC | sigma-54 dependent DNA-binding response regulator (TIGR) | no data | 30 | 54 |
| | Dechlorosoma suillum PS | Dsui_3286 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 44 | 35 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 36 | 56 |
| | Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 34 | 56 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 34 | 56 |
| | Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 34 | 56 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2394 | ntrC1 | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | sig. | 34 | 59 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 36 | 56 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 34 | 56 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 34 | 56 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 34 | 56 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 34 | 53 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0332 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 33 | 59 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS04640 | | sigma-54 dependent transcriptional regulator | sig. | 35 | 50 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1493 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 32 | 40 |
| | Shewanella amazonensis SB2B | Sama_0125 | | response regulator receiver protein (RefSeq) | strong | 32 | 52 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0653 | atoC | sigma-54 dependent transcriptional regulator, putative/response regulator (TIGR) | sig. | 31 | 53 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0621 | | sigma-54 dependent DNA-binding response regulator (TIGR) | insig. | 42 | 32 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_2692 | | Response regulator of the LytR/AlgR family | insig. | 36 | 52 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS14340 | | Fis family transcriptional regulator | cofit | 35 | 50 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_04368 | | two component, sigma54 specific, transcriptional regulator, NtrC subfamily, Fis family | cofit | 35 | 50 |
| | Paraburkholderia graminis OAS925 | ABIE53_003030 | | two-component system response regulator HydG | strong | 35 | 50 |
| | Escherichia coli ECRC100 | OKFHMN_13320 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 34 | 53 |
| | Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 34 | 53 |
| | Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 34 | 53 |
| | Escherichia coli ECRC98 | JDDGAC_16945 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 34 | 53 |
| | Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 34 | 53 |
| | Klebsiella michiganensis M5al | BWI76_RS06230 | | DNA-binding response regulator | insig. | 31 | 54 |
| | Escherichia coli BL21 | ECD_00347 | | response regulator in two-component regulatory system with PhoR | insig. | 31 | 56 |
| | Escherichia fergusonii Becca | EFB2_03658 | | Phosphate regulon transcriptional regulatory protein PhoB | insig. | 31 | 56 |
| | Escherichia coli ECOR27 | NOLOHH_01475 | phoB | phosphate response regulator transcription factor PhoB | insig. | 31 | 56 |
| | Escherichia coli ECOR38 | HEPCGN_07185 | phoB | phosphate response regulator transcription factor PhoB | insig. | 31 | 56 |
| | Escherichia coli ECRC100 | OKFHMN_08545 | phoB | phosphate response regulator transcription factor PhoB | cofit | 31 | 56 |
| | Escherichia coli ECRC101 | MCAODC_27770 | phoB | phosphate response regulator transcription factor PhoB | insig. | 31 | 56 |
| | Escherichia coli ECRC102 | NIAGMN_06600 | phoB | phosphate response regulator transcription factor PhoB | insig. | 31 | 56 |
| | Escherichia coli ECRC62 | BNILDI_22890 | phoB | phosphate response regulator transcription factor PhoB | cofit | 31 | 56 |
| | Escherichia coli ECRC98 | JDDGAC_12200 | phoB | phosphate response regulator transcription factor PhoB | insig. | 31 | 56 |
| | Escherichia coli ECRC99 | KEDOAH_19420 | phoB | phosphate response regulator transcription factor PhoB | no data | 31 | 56 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03277 | | Phosphate regulon transcriptional regulatory protein PhoB | insig. | 31 | 56 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS02410 | | phosphate response regulator transcription factor PhoB | insig. | 31 | 56 |
| | Escherichia coli BW25113 | b0399 | phoB | DNA-binding response regulator in two-component regulatory system with PhoR (or CreC) (NCBI) | sig. | 31 | 56 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS23315 | | sigma-54-dependent Fis family transcriptional regulator | strong | 31 | 50 |
| | Ralstonia solanacearum UW163 | UW163_RS16565 | | sigma-54-dependent Fis family transcriptional regulator | strong | 31 | 50 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_4019 | | Sigma-54 dependent transcriptional regulator | cofit | 34 | 45 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS05060 | | response regulator transcription factor | insig. | 33 | 54 |
| | Shewanella oneidensis MR-1 | SO4718 | | sigma-54 dependent response regulator (NCBI ptt file) | sig. | 32 | 52 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_0251 | | two component transcriptional regulator, LytTR family | cofit | 32 | 56 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2843 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | cofit | 37 | 31 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1195 | | Sigma-54 dependent response regulator | insig. | 34 | 59 |
| | Azospirillum sp. SherDot2 | MPMX19_03494 | | Regulatory protein AtoC | insig. | 32 | 65 |
| | Shewanella sp. ANA-3 | Shewana3_4076 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | cofit | 32 | 52 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS00190 | | response regulator transcription factor EsaR | no data | 32 | 51 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS06285 | | LytTR family DNA-binding domain-containing protein | insig. | 30 | 73 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 33 | 53 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 33 | 53 |
| | Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | insig. | 33 | 53 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 33 | 53 |
| | Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 33 | 53 |
| | Shewanella loihica PV-4 | Shew_3682 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | strong | 30 | 52 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS01490 | | XRE family transcriptional regulator | no data | 32 | 51 |
| | Methylophilus sp. DMC18 | GFF1502 | | DNA-binding transcriptional regulator NtrC | no data | 31 | 57 |
| | Ralstonia solanacearum GMI1000 | RS_RS25105 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 30 | 50 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1859 | | putative two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | sig. | 29 | 52 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS18805 | | response regulator transcription factor | insig. | 32 | 54 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4296 | | Phosphate regulon transcriptional regulatory protein PhoB (SphR) | insig. | 31 | 54 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1260 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 30 | 60 |
| | Cellulophaga baltica 18 | M666_RS08535 | | LytTR family DNA-binding domain-containing protein | insig. | 29 | 84 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS10740 | | DNA-binding response regulator | strong | 28 | 60 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS17870 | | Fis family transcriptional regulator | insig. | 28 | 48 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c27610 | | transcriptional regulatory protein, containing sigma-54 interaction domain | insig. | 34 | 51 |
| | Dechlorosoma suillum PS | Dsui_0135 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 32 | 50 |
| | Xanthobacter sp. DMC5 | GFF845 | | DNA-binding transcriptional regulator NtrC | no data | 32 | 53 |
| | Paraburkholderia graminis OAS925 | ABIE53_001365 | | DNA-binding NtrC family response regulator | strong | 35 | 50 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2575 | | phosphate regulon transcriptional regulatory protein PhoB | cofit | 31 | 54 |
| | Enterobacter sp. TBS_079 | MPMX20_00986 | | Phosphate regulon transcriptional regulatory protein PhoB | sig. | 31 | 54 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 31 | 53 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS07835 | | sigma-54-dependent Fis family transcriptional regulator | strong | 29 | 50 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS16600 | | hypothetical protein | insig. | 25 | 85 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_14305 | | phosphate response regulator transcription factor PhoB | insig. | 31 | 54 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS03980 | phoB;inference=COORDINATES | phosphate response regulator transcription factor PhoB | insig. | 31 | 54 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_02234 | | two component transcriptional regulator, Fis family | no data | 31 | 51 |
| | Paraburkholderia graminis OAS925 | ABIE53_000395 | | DNA-binding NtrC family response regulator | no data | 31 | 51 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS00315 | | DNA-binding response regulator | insig. | 29 | 54 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS09805 | | two-component system response regulator | no data | 31 | 52 |
| | Ralstonia solanacearum UW163 | UW163_RS03775 | | two-component system response regulator | no data | 31 | 52 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_4656 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 30 | 52 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_03625 | | DNA-binding response regulator | insig. | 29 | 53 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 27 | 93 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS02610 | | DNA-binding response regulator | insig. | 36 | 48 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_06915 | | DNA-binding response regulator | insig. | 33 | 54 |
| | Sphingobium sp. HT1-2 | GFF1691 | | Two-component transcriptional response regulator, LuxR family | insig. | 31 | 54 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS20435 | | XRE family transcriptional regulator | no data | 30 | 52 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0539 | | sigma-54 dependent DNA-binding response regulator (TIGR) | sig. | 28 | 57 |
| | Pseudomonas orientalis W4I3 | QF045_RS19850 | | response regulator | insig. | 36 | 50 |
| | Ralstonia solanacearum GMI1000 | RS_RS00390 | | two-component system response regulator | no data | 31 | 52 |
| | Dechlorosoma suillum PS | Dsui_0809 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | no data | 29 | 53 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03023 | | KDP operon transcriptional regulatory protein KdpE | insig. | 34 | 58 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS00340 | | XRE family transcriptional regulator | no data | 29 | 53 |
| | Variovorax sp. SCN45 | GFF6459 | | Two-component transcriptional regulatory protein BasR/PmrA (activated by BasS/PmrB) | sig. | 35 | 46 |
| | Escherichia coli BL21 | ECD_00651 | | response regulator in two-component regulatory system with KdpD | cofit | 34 | 58 |
| | Escherichia coli BW25113 | b0694 | kdpE | DNA-binding response regulator in two-component regulatory system with KdpD (NCBI) | insig. | 34 | 58 |
| | Pseudomonas simiae WCS417 | PS417_10855 | | chemotaxis protein CheY | insig. | 33 | 55 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS23515 | | sigma-54 dependent transcriptional regulator | strong | 31 | 50 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_14200 | | transcriptional regulator | insig. | 29 | 67 |
| | Methylophilus sp. DMC18 | GFF2304 | | Regulatory protein AtoC | cofit | 29 | 56 |
| | Shewanella oneidensis MR-1 | SO2823 | | response regulator (NCBI ptt file) | strong | 32 | 56 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01996 | | Transcriptional regulatory protein BaeR | cofit | 36 | 50 |
| | Dickeya dadantii 3937 | DDA3937_RS04715 | | response regulator transcription factor | insig. | 35 | 55 |
| | Escherichia coli ECOR27 | NOLOHH_23460 | kdpE | two-component system response regulator KdpE | insig. | 35 | 57 |
| | Escherichia coli ECOR38 | HEPCGN_01155 | kdpE | two-component system response regulator KdpE | insig. | 35 | 57 |
| | Escherichia coli ECRC100 | OKFHMN_07080 | kdpE | two-component system response regulator KdpE | insig. | 35 | 57 |
| | Escherichia coli ECRC101 | MCAODC_26295 | kdpE | two-component system response regulator KdpE | insig. | 35 | 57 |
| | Escherichia coli ECRC102 | NIAGMN_05135 | kdpE | two-component system response regulator KdpE | insig. | 35 | 57 |
| | Escherichia coli ECRC62 | BNILDI_21465 | kdpE | two-component system response regulator KdpE | cofit | 35 | 57 |
| | Escherichia coli ECRC98 | JDDGAC_10730 | kdpE | two-component system response regulator KdpE | sig. | 35 | 57 |
| | Escherichia coli ECRC99 | KEDOAH_20890 | kdpE | two-component system response regulator KdpE | no data | 35 | 57 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2284 | | Response regulators consisting of a CheY-like receiver domain and a winged-helix DNA-binding domain | insig. | 34 | 57 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS14995 | | response regulator transcription factor | insig. | 32 | 52 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS14995 | | response regulator transcription factor | insig. | 32 | 52 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT_3258 | | two-component system response regulator (NCBI) | insig. | 32 | 55 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS23560 | | two-component system response regulator | no data | 30 | 52 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_05195 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 29 | 57 |
| | Enterobacter sp. TBS_079 | MPMX20_01337 | | KDP operon transcriptional regulatory protein KdpE | insig. | 32 | 57 |
| | Dechlorosoma suillum PS | Dsui_0150 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 32 | 53 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS04935 | | response regulator | no data | 31 | 51 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_07640 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 31 | 54 |
| | Pectobacterium carotovorum WPP14 | HER17_RS16040 | | phosphate response regulator transcription factor PhoB | insig. | 25 | 81 |
| | Dickeya dadantii 3937 | DDA3937_RS05425 | | phosphate response regulator transcription factor PhoB | insig. | 25 | 81 |
| | Dickeya dianthicola 67-19 | HGI48_RS05485 | | phosphate response regulator transcription factor PhoB | insig. | 25 | 81 |
| | Dickeya dianthicola ME23 | DZA65_RS05810 | | phosphate response regulator transcription factor PhoB | insig. | 25 | 81 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_15565 | | Response regulatory domain-containing protein | cofit | 35 | 46 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS01750 | | sigma-54 dependent transcriptional regulator | strong | 30 | 48 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2618 | | two-component system response regulator (NCBI ptt file) | insig. | 28 | 51 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2549 | | response regulator receiver sensor signal transduction histidine kinase (RefSeq) | insig. | 31 | 63 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0137 | | nitrogen regulation protein NR(I) | strong | 29 | 56 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_2466 | | two component transcriptional regulator, winged helix family | strong | 33 | 50 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS05575 | | Fis family transcriptional regulator | strong | 33 | 50 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00240 | | two component, sigma54 specific, transcriptional regulator, NtrC subfamily, Fis family | strong | 33 | 50 |
| | Rahnella sp. WP5 | EX31_RS00780 | | two-component system response regulator BtsR | insig. | 32 | 52 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2644 | | putative two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 36 | 34 |
| | Escherichia fergusonii Becca | EFB2_03402 | | KDP operon transcriptional regulatory protein KdpE | insig. | 34 | 58 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS03750 | | two-component system response regulator KdpE | no data | 34 | 58 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1461 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 33 | 46 |
| | Shewanella sp. ANA-3 | Shewana3_2594 | | putative two-component response-regulatory protein YehT (RefSeq) | insig. | 32 | 56 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5122 | | Type IV fimbriae expression regulatory protein PilR | insig. | 32 | 52 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_4464 | | Probable two component response regulator transcription regulator protein | no data | 30 | 52 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS00405 | | DNA-binding response regulator | insig. | 30 | 83 |
| | Variovorax sp. SCN45 | GFF1785 | | Two-component transcriptional response regulator, OmpR family | no data | 32 | 55 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3381 | ntrC | transcriptional regulatory protein zraR (TIGR) | strong | 30 | 60 |
| | Rhodospirillum rubrum S1H | Rru_A2101 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 29 | 52 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2601 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 27 | 55 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_16625 | | two-component system response regulator KdpE | insig. | 27 | 86 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS02020 | kdpE;go_function=DNA | two-component system response regulator KdpE | insig. | 27 | 86 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS22365 | | DNA-binding response regulator | insig. | 25 | 91 |
| | Dickeya dianthicola ME23 | DZA65_RS04580 | | response regulator transcription factor | insig. | 35 | 53 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_04490 | | DNA-binding response regulator | insig. | 33 | 49 |
| | Erwinia amylovora T8 | OLJFJH_08015 | | two-component system response regulator BtsR | insig. | 33 | 52 |
| | Methylophilus sp. DMC18 | GFF2024 | | DNA-binding transcriptional regulator NtrC | strong | 33 | 52 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3635 | | Nitrogen regulation protein NR(I) | insig. | 32 | 40 |
| | Ralstonia solanacearum GMI1000 | RS_RS14035 | | sigma-54-dependent Fis family transcriptional regulator | strong | 29 | 48 |
| | Xanthobacter sp. DMC5 | GFF4458 | | Transcriptional regulatory protein ZraR | insig. | 38 | 35 |
| | Rhodospirillum rubrum S1H | Rru_A1385 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | cofit | 28 | 62 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1353.1 | | Type IV fimbriae expression regulatory protein PilR | sig. | 38 | 34 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2679 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 35 | 43 |
| | Methylophilus sp. DMC18 | GFF1277 | | Regulatory protein AtoC | insig. | 35 | 45 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_01354 | | response regulator receiver domain protein | insig. | 31 | 53 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS15680 | | chemotaxis protein CheY | strong | 30 | 56 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS11155 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 29 | 48 |
| | Ralstonia solanacearum UW163 | UW163_RS07540 | | sigma-54-dependent Fis family transcriptional regulator | strong | 29 | 48 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_26115 | phoB | phosphate response regulator transcription factor PhoB | insig. | 28 | 56 |
| | Erwinia tracheiphila SCR3 | LU632_RS18925 | phoB | phosphate response regulator transcription factor PhoB | insig. | 28 | 56 |
| | Pantoea sp. MT58 | IAI47_14855 | | phosphate response regulator transcription factor PhoB | strong | 28 | 57 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS15150 | phoB | phosphate response regulator transcription factor PhoB | cofit | 28 | 57 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_20090 | | transcriptional regulator | insig. | 33 | 45 |
| | Lysobacter sp. OAE881 | ABIE51_RS04850 | | sigma-54 dependent transcriptional regulator | strong | 32 | 48 |
| | Marinobacter adhaerens HP15 | HP15_523 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 30 | 52 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS05725 | | LytTR family DNA-binding domain-containing protein | insig. | 30 | 54 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS20000 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 28 | 61 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS26060 | | Fis family transcriptional regulator | insig. | 32 | 51 |
| | Shewanella sp. ANA-3 | Shewana3_2016 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | insig. | 30 | 52 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS06085 | | sigma-54-dependent Fis family transcriptional regulator | strong | 29 | 48 |