| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas stutzeri RCH2 | Psest_3922 | | Response regulator of citrate/malate metabolism | sig. | 100 | 100 |
| o | Klebsiella michiganensis M5al | BWI76_RS16090 | | two-component system response regulator DcuR | insig. | 42 | 94 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_21110 | | two-component system response regulator DcuR | insig. | 41 | 93 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_0588 | | Response regulator of citrate/malate metabolism | insig. | 39 | 93 |
| o | Enterobacter sp. TBS_079 | MPMX20_02962 | | Transcriptional regulatory protein DcuR | insig. | 39 | 93 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS00205 | | two-component system response regulator DcuR | cofit | 38 | 94 |
| o | Rahnella sp. WP5 | EX31_RS01180 | | two-component system response regulator DcuR | insig. | 39 | 93 |
| o | Serratia liquefaciens MT49 | IAI46_10075 | | two-component system response regulator DcuR | insig. | 38 | 93 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS13925 | | two-component system response regulator DcuR | strong | 38 | 93 |
| o | Pantoea sp. MT58 | IAI47_20415 | | two-component system response regulator DcuR | sig. | 38 | 93 |
| o | Escherichia coli BL21 | ECD_03995 | | response regulator in two-component regulatory system with DcuS | insig. | 35 | 93 |
| o | Escherichia fergusonii Becca | EFB2_04459 | | Transcriptional regulatory protein DcuR | insig. | 35 | 93 |
| o | Escherichia coli ECOR27 | NOLOHH_04780 | dcuR | two-component system response regulator DcuR | insig. | 35 | 93 |
| o | Escherichia coli ECOR38 | HEPCGN_11150 | dcuR | two-component system response regulator DcuR | insig. | 35 | 93 |
| o | Escherichia coli ECRC100 | OKFHMN_12515 | dcuR | two-component system response regulator DcuR | cofit | 35 | 93 |
| o | Escherichia coli ECRC101 | MCAODC_03025 | dcuR | two-component system response regulator DcuR | insig. | 35 | 93 |
| o | Escherichia coli ECRC102 | NIAGMN_10360 | dcuR | two-component system response regulator DcuR | cofit | 35 | 93 |
| o | Escherichia coli ECRC62 | BNILDI_06710 | dcuR | two-component system response regulator DcuR | insig. | 35 | 93 |
| o | Escherichia coli ECRC98 | JDDGAC_16150 | dcuR | two-component system response regulator DcuR | insig. | 35 | 93 |
| o | Escherichia coli ECRC99 | KEDOAH_15650 | dcuR | two-component system response regulator DcuR | no data | 35 | 93 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03920 | | Transcriptional regulatory protein DcuR | insig. | 35 | 93 |
| o | Escherichia coli BW25113 | b4124 | dcuR | DNA-binding response regulator in two-component regulatory system with DcuS (NCBI) | strong | 35 | 93 |
| o | Escherichia coli Nissle 1917 | ECOLIN_RS23865 | | two-component system response regulator DcuR | insig. | 35 | 93 |
| o | Dickeya dadantii 3937 | DDA3937_RS00450 | | two-component system response regulator DcuR | insig. | 37 | 94 |
| o | Erwinia amylovora T8 | OLJFJH_15130 | | two-component system response regulator DcuR | insig. | 38 | 93 |
| o | Dickeya dianthicola 67-19 | HGI48_RS20945 | | two-component system response regulator DcuR | insig. | 37 | 94 |
| o | Dickeya dianthicola ME23 | DZA65_RS21930 | | two-component system response regulator DcuR | cofit | 37 | 94 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1480 | | Fumarate respiration transcriptional regulator DcuR | insig. | 34 | 93 |
| o | Marinobacter adhaerens HP15 | HP15_2663 | | response regulator receiver and unknown domain protein | strong | 38 | 93 |
| o | Vibrio cholerae E7946 ATCC 55056 | CSW01_08060 | | two-component system response regulator | insig. | 36 | 94 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_04085 | | response regulator | insig. | 32 | 95 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2932 | | Response regulator of citrate/malate metabolism | insig. | 31 | 92 |
| | Klebsiella michiganensis M5al | BWI76_RS04405 | | response regulator | insig. | 31 | 94 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1132 | | Transcriptional regulatory protein CitB, DpiA | insig. | 30 | 94 |
| | Enterobacter sp. TBS_079 | MPMX20_03728 | | Transcriptional regulatory protein DpiA | insig. | 30 | 92 |
| | Rahnella sp. WP5 | EX31_RS13605 | | response regulator | insig. | 30 | 95 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4533 | | Transcriptional regulatory protein CitB, DpiA | cofit | 31 | 95 |
| | Escherichia coli BL21 | ECD_00590 | | response regulator in two-component regulatory system with CitA | insig. | 30 | 95 |
| | Escherichia fergusonii Becca | EFB2_03471 | | Transcriptional regulatory protein DpiA | insig. | 30 | 95 |
| | Escherichia coli ECOR27 | NOLOHH_23810 | dpiA | two-component response regulator DpiA | insig. | 30 | 95 |
| | Escherichia coli ECOR38 | HEPCGN_00840 | dpiA | two-component response regulator DpiA | insig. | 30 | 95 |
| | Escherichia coli ECRC100 | OKFHMN_07435 | dpiA | two-component response regulator DpiA | cofit | 30 | 95 |
| | Escherichia coli ECRC101 | MCAODC_26650 | dpiA | two-component response regulator DpiA | insig. | 30 | 95 |
| | Escherichia coli ECRC102 | NIAGMN_05490 | dpiA | two-component response regulator DpiA | insig. | 30 | 95 |
| | Escherichia coli ECRC62 | BNILDI_21820 | dpiA | two-component response regulator DpiA | insig. | 30 | 95 |
| | Escherichia coli ECRC98 | JDDGAC_11080 | dpiA | two-component response regulator DpiA | insig. | 30 | 95 |
| | Escherichia coli ECRC99 | KEDOAH_20535 | dpiA | two-component response regulator DpiA | no data | 30 | 95 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03085 | | Transcriptional regulatory protein DpiA | insig. | 30 | 95 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS03385 | | two-component response regulator DpiA | no data | 30 | 95 |
| | Escherichia coli BW25113 | b0620 | citB | DNA-binding response regulator in two-component regulatory system with citA (NCBI) | insig. | 30 | 95 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_12645 | | Transcriptional regulatory protein CitB | insig. | 30 | 92 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_3011 | | Response regulator of citrate/malate metabolism | cofit | 31 | 92 |
| | Klebsiella michiganensis M5al | BWI76_RS04545 | | two-component response regulator for citrate | sig. | 31 | 92 |
| | Serratia liquefaciens MT49 | IAI46_17010 | | two-component response regulator DpiA | insig. | 29 | 93 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_12770 | | response regulator | insig. | 31 | 92 |
| | Enterobacter sp. TBS_079 | MPMX20_03831 | | Transcriptional regulatory protein CitB | sig. | 30 | 92 |
| | Dickeya dianthicola 67-19 | HGI48_RS09770 | | response regulator | insig. | 27 | 92 |
| | Dickeya dianthicola ME23 | DZA65_RS10080 | | response regulator | insig. | 27 | 92 |
| | Dickeya dadantii 3937 | DDA3937_RS09755 | | response regulator | insig. | 27 | 92 |
| | Serratia liquefaciens MT49 | IAI46_19945 | | response regulator | insig. | 26 | 90 |
| | Rahnella sp. WP5 | EX31_RS17765 | | response regulator | insig. | 28 | 92 |
| | Pectobacterium carotovorum WPP14 | HER17_RS12200 | | response regulator | cofit | 28 | 92 |
| | Rhodospirillum rubrum S1H | Rru_A2158 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 39 | 50 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_4158 | | Response regulator of the LytR/AlgR family | insig. | 31 | 70 |
| | Rhodospirillum rubrum S1H | Rru_A0919 | | Two Component Transcriptional Regulator, AraC family (NCBI) | insig. | 32 | 54 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5565 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | insig. | 39 | 54 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_07520 | | DNA-binding response regulator | insig. | 37 | 49 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_776 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | insig. | 40 | 54 |
| | Pseudomonas sp. RS175 | PFR28_03376 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | sig. | 39 | 54 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16265 | | Fis family transcriptional regulator | strong | 40 | 54 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_13010 | | DNA-binding response regulator | sig. | 35 | 47 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_18205 | | Fis family transcriptional regulator | insig. | 39 | 54 |
| | Cellulophaga baltica 18 | M666_RS14090 | | LytTR family DNA-binding domain-containing protein | insig. | 33 | 52 |
| | Pseudomonas sp. BP01 | JOY50_RS14825 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 51 |
| | Pseudomonas putida KT2440 | PP_1066 | | C4-dicarboxylate transport transcriptional regulatory protein | strong | 41 | 51 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_07605 | | response regulator | insig. | 35 | 47 |
| | Azospirillum brasilense Sp245 | AZOBR_RS26130 | | ATPase AAA | insig. | 41 | 45 |
| | Pseudomonas sp. SVBP6 | COO64_RS16760 | | sigma-54 dependent transcriptional regulator | insig. | 40 | 51 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4775 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | strong | 39 | 54 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS02920 | | LytTR family DNA-binding domain-containing protein | insig. | 34 | 51 |
| | Pseudomonas sp. DMC3 | GFF4822 | | Transcriptional regulatory protein OmpR | insig. | 29 | 91 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT3465 | | two-component system sensor histidine kinase/response regulator, hybrid ('one-component system') (NCBI ptt file) | insig. | 28 | 84 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS05620 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 38 | 52 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05620 | | sigma-54-dependent Fis family transcriptional regulator | strong | 38 | 52 |
| | Shewanella sp. ANA-3 | Shewana3_4076 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | cofit | 34 | 50 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_06915 | | DNA-binding response regulator | insig. | 32 | 54 |
| | Dechlorosoma suillum PS | Dsui_1758 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 38 | 45 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS01375 | | sigma-54 dependent transcriptional regulator | strong | 36 | 52 |
| | Shewanella oneidensis MR-1 | SO4718 | | sigma-54 dependent response regulator (NCBI ptt file) | sig. | 34 | 50 |
| | Klebsiella michiganensis M5al | BWI76_RS17275 | | two-component system response regulator RssB | insig. | 32 | 60 |
| | Pantoea sp. MT58 | IAI47_09025 | | two-component system response regulator RssB | no data | 30 | 60 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS02865 | | two-component system response regulator RssB | no data | 30 | 60 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_4656 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 27 | 65 |
| | Azospirillum sp. SherDot2 | MPMX19_03494 | | Regulatory protein AtoC | insig. | 39 | 48 |
| | Azospirillum sp. SherDot2 | MPMX19_06089 | | Regulatory protein LuxO | insig. | 36 | 57 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT1794 | | two-component system response regulator (NCBI ptt file) | insig. | 29 | 55 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_26000 | | sigma-54-dependent response regulator transcription factor AlgB | insig. | 37 | 52 |
| | Pseudomonas segetis P6 | MPMX49_00302 | | Alginate biosynthesis transcriptional regulatory protein AlgB | insig. | 36 | 56 |
| | Pseudomonas sp. S08-1 | OH686_12145 | | Alginate biosynthesis two-component system response regulator AlgB | cofit | 36 | 54 |
| | Methylophilus sp. DMC18 | GFF2304 | | Regulatory protein AtoC | cofit | 31 | 63 |