| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Vibrio cholerae E7946 ATCC 55056 | 1.0 | CSW01_14905 | | flavohemoprotein | 1.0 | CSW01_09335 | | histidine/lysine/arginine/ornithine ABC transporter ATP-binding protein HisP | 0.48 | 11 |
| Escherichia coli ECOR38 | 0.46 | HEPCGN_20650 | hmpA | NO-inducible flavohemoprotein | 0.59 | HEPCGN_21940 | hisP | histidine ABC transporter ATP-binding protein HisP | low | > 88 |
| Escherichia fergusonii Becca | 0.46 | EFB2_01344 | | Flavohemoprotein | 0.59 | EFB2_01552 | | Histidine transport ATP-binding protein HisP | low | > 86 |
| Escherichia coli Nissle 1917 | 0.46 | ECOLIN_RS14445 | | NO-inducible flavohemoprotein | 0.59 | ECOLIN_RS13375 | | histidine ABC transporter ATP-binding protein HisP | low | > 55 |
| Escherichia coli ECRC99 | 0.46 | KEDOAH_06715 | hmpA | NO-inducible flavohemoprotein | 0.59 | KEDOAH_05450 | hisP | histidine ABC transporter ATP-binding protein HisP | — | — |
| Escherichia coli HS(pFamp)R (ATCC 700891) | 0.46 | OHPLBJKB_01155 | | Flavohemoprotein | 0.59 | OHPLBJKB_01399 | | Histidine transport ATP-binding protein HisP | low | > 74 |
| Escherichia coli ECRC98 | 0.46 | JDDGAC_25170 | hmpA | NO-inducible flavohemoprotein | 0.59 | JDDGAC_26705 | hisP | histidine ABC transporter ATP-binding protein HisP | low | > 87 |
| Escherichia coli ECRC62 | 0.46 | BNILDI_11980 | hmpA | NO-inducible flavohemoprotein | 0.59 | BNILDI_13285 | hisP | histidine ABC transporter ATP-binding protein HisP | low | > 75 |
| Escherichia coli ECRC100 | 0.46 | OKFHMN_21505 | hmpA | NO-inducible flavohemoprotein | 0.59 | OKFHMN_22745 | hisP | histidine ABC transporter ATP-binding protein HisP | low | > 79 |
| Enterobacter asburiae PDN3 | 0.46 | EX28DRAFT_0098 | | Hemoglobin-like flavoprotein/Flavodoxin reductases (ferredoxin-NADPH reductases) family 1 | 0.59 | EX28DRAFT_0298 | | ABC-type histidine transport system, ATPase component | low | > 76 |
| Escherichia coli ECRC102 | 0.46 | NIAGMN_19275 | hmpA | NO-inducible flavohemoprotein | 0.59 | NIAGMN_20515 | hisP | histidine ABC transporter ATP-binding protein HisP | low | > 80 |
| Escherichia coli ECOR27 | 0.46 | NOLOHH_13180 | hmpA | NO-inducible flavohemoprotein | 0.59 | NOLOHH_14365 | hisP | histidine ABC transporter ATP-binding protein HisP | low | > 76 |
| Escherichia coli BL21 | 0.46 | ECD_02444 | | fused nitric oxide dioxygenase/dihydropteridine reductase 2 | 0.59 | ECD_02231 | | histidine ABC transporter ATPase | low | > 61 |
| Escherichia coli ECRC101 | 0.46 | MCAODC_12035 | hmpA | NO-inducible flavohemoprotein | 0.59 | MCAODC_13785 | hisP | histidine ABC transporter ATP-binding protein HisP | low | > 88 |
| Escherichia coli BW25113 | 0.46 | b2552 | hmp | fused nitric oxide dioxygenase/dihydropteridine reductase 2 (NCBI) | 0.59 | b2306 | hisP | histidine/lysine/arginine/ornithine transporter subunit (NCBI) | low | > 76 |
| Dickeya dadantii 3937 | 0.46 | DDA3937_RS15605 | | NO-inducible flavohemoprotein | 0.65 | DDA3937_RS15030 | | ATP-binding cassette domain-containing protein | low | > 74 |
| Enterobacter sp. TBS_079 | 0.46 | MPMX20_03421 | | Flavohemoprotein | 0.59 | MPMX20_03241 | | Histidine transport ATP-binding protein HisP | low | > 85 |
| Dickeya dianthicola ME23 | 0.46 | DZA65_RS16780 | | NO-inducible flavohemoprotein | 0.64 | DZA65_RS15860 | | ATP-binding cassette domain-containing protein | low | > 75 |
| Dickeya dianthicola 67-19 | 0.46 | HGI48_RS15705 | | NO-inducible flavohemoprotein | 0.64 | HGI48_RS15110 | | ATP-binding cassette domain-containing protein | low | > 71 |
| Rahnella sp. WP5 | 0.46 | EX31_RS20590 | | NO-inducible flavohemoprotein | 0.57 | EX31_RS19545 | | histidine ABC transporter ATP-binding protein HisP | low | > 89 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | 0.46 | GFF2449 | | Flavohemoprotein (Hemoglobin-like protein) (Flavohemoglobin) (Nitric oxide dioxygenase) (EC 1.14.12.17) | 0.58 | GFF1915 | | Histidine ABC transporter, ATP-binding protein HisP (TC 3.A.1.3.1) | low | > 78 |
| Serratia liquefaciens MT49 | 0.45 | IAI46_19400 | | NO-inducible flavohemoprotein | 0.58 | IAI46_17785 | | histidine ABC transporter ATP-binding protein HisP | low | > 86 |
| Klebsiella michiganensis M5al | 0.45 | BWI76_RS21240 | | flavohemoprotein | 0.58 | BWI76_RS20320 | | histidine/lysine/arginine/ornithine ABC transporter ATP-binding protein HisP | low | > 92 |
| Pectobacterium carotovorum WPP14 | 0.45 | HER17_RS05945 | | NO-inducible flavohemoprotein | 0.68 | HER17_RS01820 | | ATP-binding cassette domain-containing protein | low | > 75 |
| Klebsiella pneumoniae MKP103 | 0.45 | KDGMDA_28360 | | NO-inducible flavohemoprotein | 0.58 | KDGMDA_27155 | | histidine ABC transporter ATP-binding protein HisP | low | > 95 |
| Pantoea agglomerans CFBP13505 P0401 | 0.44 | PagCFBP13505_RS14845 | | NO-inducible flavohemoprotein | 0.66 | PagCFBP13505_RS04090 | | ATP-binding cassette domain-containing protein | low | > 74 |
| Pantoea sp. MT58 | 0.44 | IAI47_04955 | | NO-inducible flavohemoprotein | 0.66 | IAI47_13230 | | ATP-binding cassette domain-containing protein | low | > 76 |
| Sinorhizobium meliloti 1021 | 0.40 | SMa1191 | | nitric oxide dioxygenase | 0.65 | SMc02260 | | ABC transporter ATP-binding protein | low | > 103 |
| Paraburkholderia bryophila 376MFSha3.1 | 0.38 | H281DRAFT_04686 | | nitric oxide dioxygenase | 0.67 | H281DRAFT_05293 | | amino acid ABC transporter ATP-binding protein, PAAT family | low | > 103 |
| Paraburkholderia graminis OAS925 | 0.38 | ABIE53_004353 | | nitric oxide dioxygenase | 0.67 | ABIE53_006533 | | octopine/nopaline transport system ATP-binding protein | low | > 113 |
| Paraburkholderia sabiae LMG 24235 | 0.37 | QEN71_RS15705 | | NO-inducible flavohemoprotein | 0.68 | QEN71_RS23385 | | ABC transporter ATP-binding protein | low | > 153 |
| Pseudomonas sp. S08-1 | 0.37 | OH686_12115 | | Flavohemoglobin / Nitric oxide dioxygenase | 0.65 | OH686_14505 | | ABC transporter, ATP-binding protein (cluster 3, basic aa/glutamine/opines) | low | > 80 |
| Burkholderia phytofirmans PsJN | 0.36 | BPHYT_RS30565 | | dihydropteridine reductase | 0.68 | BPHYT_RS07685 | | ABC transporter for L-Arginine, putative ATPase component (from data) | — | — |
| Pseudomonas segetis P6 | 0.36 | MPMX49_01764 | | Flavohemoprotein | 0.65 | MPMX49_04310 | | Octopine permease ATP-binding protein P | low | > 75 |
| Pseudomonas putida KT2440 | 0.36 | PP_0808 | | Flavohemoprotein | 0.64 | PP_0283 | | Arginine/ornithine transport ATP-binding protein AotP | low | > 96 |
| Pseudomonas stutzeri RCH2 | 0.36 | Psest_1174 | | Hemoglobin-like flavoprotein | 0.66 | Psest_0139 | | ABC-type histidine transport system, ATPase component | low | > 67 |
| Pseudomonas sp. BP01 | 0.35 | JOY50_RS23010 | hmpA | NO-inducible flavohemoprotein | 0.64 | JOY50_RS26255 | | ABC transporter ATP-binding protein | low | > 84 |
| Pseudomonas aeruginosa PA14 | 0.35 | IKLFDK_13380 | | NO-inducible flavohemoprotein | 0.65 | IKLFDK_27730 | | ATP-binding protein | low | > 100 |
| Pseudomonas fluorescens FW300-N2E2 | 0.34 | Pf6N2E2_5315 | | Flavohemoprotein (Hemoglobin-like protein) (Flavohemoglobin) (Nitric oxide dioxygenase) (EC 1.14.12.17) | 0.65 | Pf6N2E2_3855 | | Histidine ABC transporter, ATP-binding protein HisP (TC 3.A.1.3.1) | low | > 103 |
| Pseudomonas fluorescens FW300-N2C3 | 0.34 | AO356_16950 | | dihydropteridine reductase | 0.65 | AO356_09895 | | ABC transporter for L-Lysine, ATPase component (from data) | low | > 104 |
| Pseudomonas lactucae CFBP13502 | 0.34 | GEMAOFIL_04827 | | Flavohemoprotein | 0.66 | GEMAOFIL_00521 | | Octopine permease ATP-binding protein P | low | > 93 |
| Pseudomonas sp. RS175 | 0.34 | PFR28_00240 | | Flavohemoprotein | 0.65 | PFR28_04915 | | Octopine permease ATP-binding protein P | low | > 88 |
| Azospirillum sp. SherDot2 | 0.34 | MPMX19_06072 | | Flavohemoprotein | 0.68 | MPMX19_02466 | | Octopine permease ATP-binding protein P | low | > 112 |
| Pseudomonas fluorescens FW300-N1B4 | 0.34 | Pf1N1B4_925 | | Flavohemoprotein (Hemoglobin-like protein) (Flavohemoglobin) (Nitric oxide dioxygenase) (EC 1.14.12.17) | 0.65 | Pf1N1B4_1640 | | Histidine ABC transporter, ATP-binding protein HisP (TC 3.A.1.3.1) | low | > 87 |
| Pseudomonas fluorescens SBW25 | 0.34 | PFLU_RS25230 | | NO-inducible flavohemoprotein | 0.65 | PFLU_RS01540 | | ABC transporter ATP-binding protein | low | > 109 |
| Pseudomonas sp. DMC3 | 0.34 | GFF4397 | | Flavohemoprotein | 0.65 | GFF4118 | | Octopine permease ATP-binding protein P | low | > 89 |
| Pseudomonas fluorescens SBW25-INTG | 0.34 | PFLU_RS25230 | | NO-inducible flavohemoprotein | 0.65 | PFLU_RS01540 | | ABC transporter ATP-binding protein | low | > 109 |
| Pseudomonas fluorescens GW456-L13 | 0.33 | PfGW456L13_4938 | | Flavohemoprotein (Hemoglobin-like protein) (Flavohemoglobin) (Nitric oxide dioxygenase) (EC 1.14.12.17) | 0.65 | PfGW456L13_376 | | Histidine ABC transporter, ATP-binding protein HisP (TC 3.A.1.3.1) | low | > 87 |
| Pseudomonas simiae WCS417 | 0.33 | PS417_23400 | | dihydropteridine reductase | 0.65 | PS417_01500 | | amino acid transporter | low | > 88 |
| Pseudomonas fluorescens FW300-N2E3 | 0.33 | AO353_15440 | | dihydropteridine reductase | 0.67 | AO353_17705 | | amino acid transporter | low | > 101 |
| Pseudomonas sp. SVBP6 | 0.32 | COO64_RS11345 | hmpA | NO-inducible flavohemoprotein | 0.65 | COO64_RS00290 | | ABC transporter ATP-binding protein | low | > 93 |
| Hydrogenophaga sp. GW460-11-11-14-LB1 | 0.32 | GFF5814 | | Flavohemoprotein (Hemoglobin-like protein) (Flavohemoglobin) (Nitric oxide dioxygenase) (EC 1.14.12.17) | 0.67 | GFF4695 | | Histidine ABC transporter, ATP-binding protein HisP (TC 3.A.1.3.1) | — | — |
| Phaeobacter inhibens DSM 17395 | 0.31 | PGA1_78p00100 | | flavohemoprotein Hmp | 0.66 | PGA1_262p02350 | | histidine transport ATP-binding protein HisP | low | > 62 |
| Cupriavidus basilensis FW507-4G11 | 0.29 | RR42_RS09175 | | flavohemoprotein | 0.66 | RR42_RS29660 | | amino acid transporter | low | > 128 |
Not shown: 15 genomes with orthologs for CSW01_14905 only; 13 genomes with orthologs for CSW01_09335 only