| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Agrobacterium fabrum C58 | Atu3328 | | aldehyde dehydrogenase | strong | 100 | 100 |
| o | Sinorhizobium meliloti 1021 | SMc04387 | | aldehyde dehydrogenase | insig. | 87 | 100 |
| o | Xanthobacter sp. DMC5 | GFF3339 | | HTH-type transcriptional regulator PuuR | insig. | 84 | 99 |
| o | Bosea sp. OAE506 | ABIE41_RS05345 | | cupin domain-containing protein | insig. | 78 | 99 |
| o | Rhodospirillum rubrum S1H | Rru_A2042 | | Transcriptional Regulator, XRE family with Cupin sensor domain (NCBI) | insig. | 56 | 99 |
| o | Azospirillum sp. SherDot2 | MPMX19_04921 | | HTH-type transcriptional regulator PuuR | insig. | 54 | 99 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS12920 | | cupin domain-containing protein | insig. | 53 | 100 |
| o | Azospirillum brasilense Sp245 | AZOBR_RS19640 | | aldehyde dehydrogenase | strong | 53 | 99 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_0238 | | Helix-turn-helix motif protein | insig. | 50 | 100 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0238 | | Helix-turn-helix motif protein | insig. | 50 | 100 |
| o | Burkholderia phytofirmans PsJN | BPHYT_RS23170 | | XRE family transcriptional regulator | insig. | 51 | 100 |
| o | Shewanella sp. ANA-3 | Shewana3_3100 | | XRE family transcriptional regulator (RefSeq) | strong | 47 | 99 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_26945 | | XRE family transcriptional regulator | insig. | 50 | 99 |
| o | Shewanella oneidensis MR-1 | SO1265 | | transcriptional regulator, putative (NCBI ptt file) | strong | 48 | 99 |
| o | Shewanella amazonensis SB2B | Sama_2646 | | XRE family transcriptional regulator (RefSeq) | strong | 49 | 99 |
| o | Pseudomonas sp. BP01 | JOY50_RS09135 | | cupin domain-containing protein | insig. | 49 | 99 |
| o | Pseudomonas putida KT2440 | PP_5268 | | DNA-binding transcriptional repressor PuuR-putrescine | strong | 49 | 99 |
| o | Pseudomonas stutzeri RCH2 | Psest_3791 | | Predicted transcriptional regulators | insig. | 48 | 99 |
| o | Shewanella loihica PV-4 | Shew_0970 | | XRE family transcriptional regulator (RefSeq) | strong | 45 | 99 |
| o | Pseudomonas sp. SVBP6 | COO64_RS01380 | | cupin domain-containing protein | insig. | 48 | 99 |
| o | Pseudomonas segetis P6 | MPMX49_00005 | | HTH-type transcriptional regulator PuuR | strong | 47 | 99 |
| o | Pseudomonas sp. S08-1 | OH686_13700 | | Putrescine utilization regulator | strong | 48 | 99 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_09140 | | XRE family transcriptional regulator | strong | 48 | 99 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS29365 | | cupin domain-containing protein | cofit | 48 | 99 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS29365 | | cupin domain-containing protein | strong | 48 | 99 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00005 | | HTH-type transcriptional regulator PuuR | cofit | 48 | 99 |
| o | Pseudomonas simiae WCS417 | PS417_27690 | | XRE family transcriptional regulator | strong | 48 | 99 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_12635 | | XRE family transcriptional regulator | strong | 48 | 99 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4394 | | Putrescine utilization regulator | strong | 48 | 99 |
| o | Pseudomonas sp. RS175 | PFR28_04396 | | HTH-type transcriptional regulator PuuR | strong | 48 | 99 |
| o | Pseudomonas sp. DMC3 | GFF387 | | HTH-type transcriptional regulator PuuR | cofit | 47 | 99 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2147 | | Putrescine utilization regulator | strong | 48 | 99 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_815 | | Putrescine utilization regulator | strong | 47 | 99 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_2705 | | Helix-turn-helix motif protein | sig. | 46 | 99 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_2705 | | Helix-turn-helix motif protein | sig. | 46 | 99 |
| | Pseudomonas putida KT2440 | PP_2884 | | XRE family transcriptional regulator | strong | 48 | 99 |
| | Pseudomonas sp. BP01 | JOY50_RS05840 | | cupin domain-containing protein | insig. | 47 | 99 |
| | Pseudomonas sp. SVBP6 | COO64_RS10815 | | cupin domain-containing protein | insig. | 47 | 99 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4357 | | Putrescine utilization regulator | sig. | 47 | 99 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_29285 | | XRE family transcriptional regulator | strong | 47 | 99 |
| | Pseudomonas sp. DMC3 | GFF1632 | | HTH-type transcriptional regulator PuuR | cofit | 46 | 99 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS01235 | | HTH-type transcriptional regulator PuuR | cofit | 37 | 97 |
| o | Pantoea sp. MT58 | IAI47_07115 | | HTH-type transcriptional regulator PuuR | insig. | 37 | 97 |
| o | Serratia liquefaciens MT49 | IAI46_17165 | | HTH-type transcriptional regulator PuuR | insig. | 35 | 100 |
| o | Rahnella sp. WP5 | EX31_RS17905 | | HTH-type transcriptional regulator PuuR | insig. | 35 | 100 |
| o | Klebsiella michiganensis M5al | BWI76_RS10700 | | XRE family transcriptional regulator | strong | 36 | 97 |
| o | Escherichia coli BL21 | ECD_01276 | | repressor for the divergent puu operons, putrescine inducible | strong | 35 | 97 |
| o | Escherichia coli ECOR27 | NOLOHH_20120 | puuR | HTH-type transcriptional regulator PuuR | insig. | 35 | 97 |
| o | Escherichia coli ECOR38 | HEPCGN_25765 | puuR | HTH-type transcriptional regulator PuuR | insig. | 35 | 97 |
| o | Escherichia coli ECRC62 | BNILDI_18270 | puuR | HTH-type transcriptional regulator PuuR | insig. | 35 | 97 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02383 | | HTH-type transcriptional regulator PuuR | insig. | 35 | 97 |
| o | Escherichia coli BW25113 | b1299 | puuR | DNA-binding transcriptional repressor (NCBI) | strong | 35 | 97 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_18340 | | HTH-type transcriptional regulator PuuR | insig. | 35 | 97 |
| o | Escherichia coli ECRC100 | OKFHMN_02435 | puuR | HTH-type transcriptional regulator PuuR | cofit | 35 | 97 |
| o | Escherichia coli ECRC101 | MCAODC_15835 | puuR | HTH-type transcriptional regulator PuuR | insig. | 35 | 97 |
| o | Escherichia coli ECRC102 | NIAGMN_26605 | puuR | HTH-type transcriptional regulator PuuR | insig. | 35 | 97 |
| o | Escherichia coli ECRC98 | JDDGAC_04980 | puuR | HTH-type transcriptional regulator PuuR | insig. | 35 | 97 |
| o | Escherichia coli ECRC99 | KEDOAH_26340 | puuR | HTH-type transcriptional regulator PuuR | no data | 35 | 97 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_1500 | | Predicted transcriptional regulators | insig. | 35 | 97 |
| | Serratia liquefaciens MT49 | IAI46_10550 | | HTH-type transcriptional regulator PuuR | insig. | 34 | 100 |
| | Pseudomonas sp. SVBP6 | COO64_RS21060 | | helix-turn-helix domain-containing protein | insig. | 35 | 98 |
| | Pseudomonas sp. BP01 | JOY50_RS05765 | | helix-turn-helix domain-containing protein | no data | 36 | 98 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_3219 | | Transcriptional regulator, Cro/CI family | insig. | 35 | 98 |
| | Pseudomonas putida KT2440 | PP_2868 | | Transcriptional regulator, Cro/CI family | strong | 35 | 98 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_24790 | | Cro/Cl family transcriptional regulator | sig. | 34 | 98 |
| o | Fusobacterium nucleatum SB010 | HUW76_07320 | | helix-turn-helix domain-containing protein | strong | 26 | 99 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_28600 | | Cro/Cl family transcriptional regulator | insig. | 31 | 98 |
| o | Cupriavidus basilensis FW507-4G11 | RR42_RS00225 | | XRE family transcriptional regulator | insig. | 33 | 98 |
| | Rhizobium sp. OAE497 | ABIE40_RS00150 | | MerR family transcriptional regulator | insig. | 34 | 98 |
| | Fusobacterium nucleatum SB010 | HUW76_01135 | | cupin domain-containing protein | strong | 28 | 98 |
| o | Desulfovibrio vulgaris Miyazaki F | DvMF_2356 | | transcriptional regulator, XRE family (RefSeq) | insig. | 26 | 97 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3066 | | DNA-binding protein (TIGR) | sig. | 26 | 97 |
| | Pseudomonas putida KT2440 | PP_3125 | | putative transcriptional regulator (Cro/CI family) | no data | 31 | 92 |
| | Bosea sp. OAE506 | ABIE41_RS10690 | | XRE family transcriptional regulator | insig. | 27 | 78 |
| o | Enterobacter sp. TBS_079 | MPMX20_04570 | | HTH-type transcriptional regulator SutR | strong | 30 | 86 |
| | Pseudomonas sp. BP01 | JOY50_RS21490 | | helix-turn-helix domain-containing protein | no data | 31 | 92 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_4383 | | transcriptional regulator, XRE family with cupin sensor | strong | 30 | 86 |
| | Sinorhizobium meliloti 1021 | SMc00351 | | hypothetical protein | insig. | 28 | 87 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS06955 | | helix-turn-helix domain-containing protein | insig. | 29 | 92 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS06955 | | helix-turn-helix domain-containing protein | strong | 29 | 92 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_06745 | | DNA-binding protein | sig. | 27 | 92 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3201 | | Transcriptional regulator, MerR family | strong | 27 | 92 |
| o | Dickeya dianthicola 67-19 | HGI48_RS18970 | | helix-turn-helix transcriptional regulator | cofit | 27 | 91 |
| o | Dickeya dianthicola ME23 | DZA65_RS20080 | | helix-turn-helix transcriptional regulator | insig. | 27 | 91 |
| | Pseudomonas simiae WCS417 | PS417_06895 | | DNA-binding protein | sig. | 29 | 92 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4551 | | Transcriptional regulator, MerR family | insig. | 29 | 92 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03889 | | HTH-type transcriptional regulator SutR | cofit | 26 | 93 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS18365 | | cupin domain-containing protein | strong | 27 | 99 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS14815 | | XRE family transcriptional regulator | insig. | 27 | 96 |
| | Variovorax sp. OAS795 | ABID97_RS13245 | | XRE family transcriptional regulator | insig. | 26 | 93 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03130 | | transcriptional regulator, XRE family with cupin sensor | insig. | 26 | 99 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS28290 | | DNA-binding protein | strong | 46 | 35 |
| | Sinorhizobium meliloti 1021 | SMa1076 | | hypothetical protein | insig. | 28 | 90 |
| | Rhodopseudomonas palustris CGA009 | TX73_013495 | | XRE family transcriptional regulator | insig. | 27 | 92 |
| | Sinorhizobium meliloti 1021 | SM_b21187 | | LacI family transcriptional regulator | insig. | 29 | 99 |
| | Pseudomonas sp. SVBP6 | COO64_RS14415 | | helix-turn-helix domain-containing protein | cofit | 28 | 92 |
| | Shewanella sp. ANA-3 | Shewana3_0319 | | XRE family transcriptional regulator (RefSeq) | strong | 27 | 92 |
| | Serratia liquefaciens MT49 | IAI46_11440 | | helix-turn-helix transcriptional regulator | insig. | 26 | 100 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS22055 | | DNA-binding protein | strong | 25 | 99 |
| | Bosea sp. OAE506 | ABIE41_RS13175 | | XRE family transcriptional regulator | insig. | 28 | 97 |