| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Klebsiella michiganensis M5al | BWI76_RS04545 | | two-component response regulator for citrate | sig. | 100 | 100 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_12770 | | response regulator | insig. | 86 | 100 |
| o | Enterobacter sp. TBS_079 | MPMX20_03831 | | Transcriptional regulatory protein CitB | sig. | 79 | 99 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_3011 | | Response regulator of citrate/malate metabolism | cofit | 78 | 99 |
| o | Rahnella sp. WP5 | EX31_RS17765 | | response regulator | insig. | 66 | 98 |
| o | Serratia liquefaciens MT49 | IAI46_19945 | | response regulator | insig. | 59 | 98 |
| o | Dickeya dadantii 3937 | DDA3937_RS09755 | | response regulator | insig. | 62 | 95 |
| o | Dickeya dianthicola ME23 | DZA65_RS10080 | | response regulator | insig. | 62 | 95 |
| o | Dickeya dianthicola 67-19 | HGI48_RS09770 | | response regulator | insig. | 61 | 95 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS12200 | | response regulator | cofit | 58 | 99 |
| | Rahnella sp. WP5 | EX31_RS13605 | | response regulator | insig. | 56 | 97 |
| | Enterobacter sp. TBS_079 | MPMX20_03728 | | Transcriptional regulatory protein DpiA | insig. | 52 | 98 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2932 | | Response regulator of citrate/malate metabolism | insig. | 53 | 96 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_04085 | | response regulator | insig. | 42 | 97 |
| | Klebsiella michiganensis M5al | BWI76_RS04405 | | response regulator | insig. | 42 | 96 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1132 | | Transcriptional regulatory protein CitB, DpiA | insig. | 42 | 96 |
| | Serratia liquefaciens MT49 | IAI46_17010 | | two-component response regulator DpiA | insig. | 40 | 97 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_12645 | | Transcriptional regulatory protein CitB | insig. | 42 | 96 |
| | Escherichia coli BL21 | ECD_00590 | | response regulator in two-component regulatory system with CitA | insig. | 40 | 95 |
| | Escherichia fergusonii Becca | EFB2_03471 | | Transcriptional regulatory protein DpiA | insig. | 40 | 95 |
| | Escherichia coli ECOR27 | NOLOHH_23810 | dpiA | two-component response regulator DpiA | insig. | 40 | 95 |
| | Escherichia coli ECOR38 | HEPCGN_00840 | dpiA | two-component response regulator DpiA | insig. | 40 | 95 |
| | Escherichia coli ECRC100 | OKFHMN_07435 | dpiA | two-component response regulator DpiA | cofit | 40 | 95 |
| | Escherichia coli ECRC101 | MCAODC_26650 | dpiA | two-component response regulator DpiA | insig. | 40 | 95 |
| | Escherichia coli ECRC102 | NIAGMN_05490 | dpiA | two-component response regulator DpiA | insig. | 40 | 95 |
| | Escherichia coli ECRC62 | BNILDI_21820 | dpiA | two-component response regulator DpiA | insig. | 40 | 95 |
| | Escherichia coli ECRC98 | JDDGAC_11080 | dpiA | two-component response regulator DpiA | insig. | 40 | 95 |
| | Escherichia coli ECRC99 | KEDOAH_20535 | dpiA | two-component response regulator DpiA | no data | 40 | 95 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03085 | | Transcriptional regulatory protein DpiA | insig. | 40 | 95 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS03385 | | two-component response regulator DpiA | no data | 40 | 95 |
| | Escherichia coli BW25113 | b0620 | citB | DNA-binding response regulator in two-component regulatory system with citA (NCBI) | insig. | 40 | 95 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4533 | | Transcriptional regulatory protein CitB, DpiA | cofit | 40 | 95 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_08060 | | two-component system response regulator | insig. | 36 | 95 |
| | Marinobacter adhaerens HP15 | HP15_2663 | | response regulator receiver and unknown domain protein | strong | 35 | 98 |
| | Serratia liquefaciens MT49 | IAI46_10075 | | two-component system response regulator DcuR | insig. | 31 | 98 |
| | Enterobacter sp. TBS_079 | MPMX20_02962 | | Transcriptional regulatory protein DcuR | insig. | 30 | 96 |
| | Pectobacterium carotovorum WPP14 | HER17_RS00205 | | two-component system response regulator DcuR | cofit | 28 | 96 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0588 | | Response regulator of citrate/malate metabolism | insig. | 30 | 96 |
| | Escherichia coli BL21 | ECD_03995 | | response regulator in two-component regulatory system with DcuS | insig. | 28 | 97 |
| | Escherichia fergusonii Becca | EFB2_04459 | | Transcriptional regulatory protein DcuR | insig. | 28 | 97 |
| | Escherichia coli ECOR27 | NOLOHH_04780 | dcuR | two-component system response regulator DcuR | insig. | 28 | 97 |
| | Escherichia coli ECOR38 | HEPCGN_11150 | dcuR | two-component system response regulator DcuR | insig. | 28 | 97 |
| | Escherichia coli ECRC100 | OKFHMN_12515 | dcuR | two-component system response regulator DcuR | cofit | 28 | 97 |
| | Escherichia coli ECRC101 | MCAODC_03025 | dcuR | two-component system response regulator DcuR | insig. | 28 | 97 |
| | Escherichia coli ECRC102 | NIAGMN_10360 | dcuR | two-component system response regulator DcuR | cofit | 28 | 97 |
| | Escherichia coli ECRC62 | BNILDI_06710 | dcuR | two-component system response regulator DcuR | insig. | 28 | 97 |
| | Escherichia coli ECRC98 | JDDGAC_16150 | dcuR | two-component system response regulator DcuR | insig. | 28 | 97 |
| | Escherichia coli ECRC99 | KEDOAH_15650 | dcuR | two-component system response regulator DcuR | no data | 28 | 97 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03920 | | Transcriptional regulatory protein DcuR | insig. | 28 | 97 |
| | Escherichia coli BW25113 | b4124 | dcuR | DNA-binding response regulator in two-component regulatory system with DcuS (NCBI) | strong | 28 | 97 |
| | Dickeya dianthicola 67-19 | HGI48_RS20945 | | two-component system response regulator DcuR | insig. | 29 | 96 |
| | Dickeya dianthicola ME23 | DZA65_RS21930 | | two-component system response regulator DcuR | cofit | 29 | 96 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23865 | | two-component system response regulator DcuR | insig. | 28 | 97 |
| | Dickeya dadantii 3937 | DDA3937_RS00450 | | two-component system response regulator DcuR | insig. | 28 | 96 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_21110 | | two-component system response regulator DcuR | insig. | 29 | 97 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1480 | | Fumarate respiration transcriptional regulator DcuR | insig. | 27 | 96 |
| | Pantoea sp. MT58 | IAI47_20415 | | two-component system response regulator DcuR | sig. | 29 | 96 |
| | Klebsiella michiganensis M5al | BWI76_RS16090 | | two-component system response regulator DcuR | insig. | 28 | 95 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS13925 | | two-component system response regulator DcuR | strong | 29 | 96 |
| | Erwinia amylovora T8 | OLJFJH_15130 | | two-component system response regulator DcuR | insig. | 28 | 98 |
| | Pseudomonas stutzeri RCH2 | Psest_3922 | | Response regulator of citrate/malate metabolism | sig. | 31 | 94 |
| | Rahnella sp. WP5 | EX31_RS01180 | | two-component system response regulator DcuR | insig. | 27 | 97 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS23515 | | sigma-54 dependent transcriptional regulator | strong | 37 | 53 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0804 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 38 | 49 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3635 | | Nitrogen regulation protein NR(I) | insig. | 39 | 50 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS07835 | | sigma-54-dependent Fis family transcriptional regulator | strong | 37 | 53 |
| | Ralstonia solanacearum GMI1000 | RS_RS25105 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 36 | 53 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS23315 | | sigma-54-dependent Fis family transcriptional regulator | strong | 36 | 53 |
| | Ralstonia solanacearum UW163 | UW163_RS16565 | | sigma-54-dependent Fis family transcriptional regulator | strong | 36 | 53 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1260 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 38 | 53 |
| | Azospirillum sp. SherDot2 | MPMX19_02733 | | Regulatory protein LuxO | insig. | 38 | 47 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0118 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 41 | 38 |
| | Azospirillum brasilense Sp245 | AZOBR_RS26130 | | ATPase AAA | insig. | 38 | 48 |
| | Cellulophaga baltica 18 | M666_RS01195 | | LytTR family DNA-binding domain-containing protein | insig. | 34 | 50 |
| | Azospirillum brasilense Sp245 | AZOBR_RS01060 | | ATPase AAA | insig. | 35 | 48 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0539 | | sigma-54 dependent DNA-binding response regulator (TIGR) | sig. | 30 | 58 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS19020 | | sigma-54 dependent transcriptional regulator | insig. | 33 | 53 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS10740 | | DNA-binding response regulator | strong | 34 | 52 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1353.1 | | Type IV fimbriae expression regulatory protein PilR | sig. | 35 | 41 |
| | Xanthobacter sp. DMC5 | GFF845 | | DNA-binding transcriptional regulator NtrC | no data | 32 | 57 |
| | Bosea sp. OAE506 | ABIE41_RS15410 | | response regulator transcription factor | insig. | 35 | 45 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_00790 | | two-component response regulator PilR | strong | 33 | 56 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS56175 | pilR;inference=COORDINATES | two-component system response regulator PilR | strong | 33 | 56 |
| | Azospirillum brasilense Sp245 | AZOBR_RS18445 | | chemotaxis protein CheY | insig. | 28 | 56 |
| | Variovorax sp. SCN45 | GFF4452 | | Two-component transcriptional response regulator, LuxR family | insig. | 31 | 48 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS19345 | | sigma-54 dependent transcriptional regulator | no data | 33 | 53 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS14340 | | Fis family transcriptional regulator | cofit | 35 | 55 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_04368 | | two component, sigma54 specific, transcriptional regulator, NtrC subfamily, Fis family | cofit | 35 | 55 |
| | Paraburkholderia graminis OAS925 | ABIE53_003030 | | two-component system response regulator HydG | strong | 35 | 55 |
| | Shewanella sp. ANA-3 | Shewana3_2594 | | putative two-component response-regulatory protein YehT (RefSeq) | insig. | 34 | 50 |
| | Paraburkholderia graminis OAS925 | ABIE53_001365 | | DNA-binding NtrC family response regulator | strong | 33 | 53 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS04640 | | sigma-54 dependent transcriptional regulator | sig. | 35 | 55 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS05575 | | Fis family transcriptional regulator | strong | 33 | 53 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00240 | | two component, sigma54 specific, transcriptional regulator, NtrC subfamily, Fis family | strong | 33 | 53 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS05060 | | response regulator transcription factor | insig. | 35 | 50 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS18805 | | response regulator transcription factor | insig. | 35 | 50 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3023 | atoC | sigma-54 dependent DNA-binding response regulator (TIGR) | no data | 32 | 51 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS17060 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 34 | 44 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS04160 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 34 | 44 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS00340 | | XRE family transcriptional regulator | no data | 30 | 50 |