| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Azospirillum sp. SherDot2 | 1.0 | MPMX19_00649 | | Phosphoadenosine phosphosulfate reductase | 1.0 | MPMX19_00652 | | Sulfite reductase [ferredoxin] | 0.92 | 4 |
| Azospirillum brasilense Sp245 | 0.68 | AZOBR_RS10145 | | phosphoadenosine phosphosulfate reductase | 0.84 | AZOBR_RS10125 | | sulfite reductase | — | — |
| Sphingomonas koreensis DSMZ 15582 | 0.48 | Ga0059261_1500 | | phosphoadenylylsulfate reductase (thioredoxin) (EC 1.8.4.8) | 0.61 | Ga0059261_1498 | | Sulfite reductase, beta subunit (hemoprotein) | 0.97 | 3 |
| Sphingobium sp. HT1-2 | 0.48 | GFF1454 | | Phosphoadenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.8) | 0.60 | GFF1452 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | — | — |
| Caulobacter crescentus NA1000 Δfur | 0.48 | CCNA_01179 | | 3'-phosphoadenosine 5'-phosphosulfate sulfotransferase | 0.59 | CCNA_01177 | | sulfite reductase, beta subunit | low | > 67 |
| Caulobacter crescentus NA1000 | 0.48 | CCNA_01179 | | 3'-phosphoadenosine 5'-phosphosulfate sulfotransferase | 0.59 | CCNA_01177 | | sulfite reductase, beta subunit | 0.97 | 1 |
| Dinoroseobacter shibae DFL-12 | 0.46 | Dshi_1152 | | phosphoadenosine phosphosulfate reductase (RefSeq) | 0.55 | Dshi_1153 | | nitrite/sulfite reductase hemoprotein beta-component ferrodoxin domain protein (RefSeq) | — | — |
| Xanthobacter sp. DMC5 | 0.44 | GFF2387 | | Phosphoadenosine phosphosulfate reductase | 0.60 | GFF2389 | | Sulfite reductase [ferredoxin] | — | — |
| Rhodospirillum rubrum S1H | 0.41 | Rru_A1929 | | Phosphoadenosine phosphosulfate reductase (NCBI) | 0.57 | Rru_A1931 | | Ferredoxin--nitrite reductase (NCBI) | — | — |
| Rhodopseudomonas palustris CGA009 | 0.41 | TX73_003880 | | phosphoadenylyl-sulfate reductase | 0.61 | TX73_021840 | | nitrite/sulfite reductase | 0.68 | 5 |
| Agrobacterium fabrum C58 | 0.28 | Atu0818 | | phosphoadenosine phosphosulfate reductase | 0.61 | Atu1456 | | sulfite reductase (NADPH) hemoprotein beta-component | 0.58 | 2 |
| Xanthomonas campestris pv. campestris strain 8004 | 0.27 | Xcc-8004.1256.1 | | Phosphoadenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.8) | 0.09 | Xcc-8004.1257.1 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | 0.94 | 3 |
| Rhodanobacter denitrificans FW104-10B01 | 0.27 | LRK54_RS00920 | | phosphoadenylyl-sulfate reductase | 0.08 | LRK54_RS00925 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.64 | 1 |
| Rhodanobacter sp. FW510-T8 | 0.27 | OKGIIK_05970 | cysH | phosphoadenylyl-sulfate reductase | 0.08 | OKGIIK_05965 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | low | > 53 |
| Rhodanobacter sp000427505 FW510-R12 | 0.26 | LRK53_RS09190 | | phosphoadenylyl-sulfate reductase | 0.08 | LRK53_RS09185 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.92 | 10 |
| Dyella japonica UNC79MFTsu3.2 | 0.26 | ABZR86_RS05895 | | phosphoadenylyl-sulfate reductase | 0.09 | ABZR86_RS05900 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.98 | 4 |
| Rhizobium sp. OAE497 | 0.26 | ABIE40_RS04475 | | phosphoadenylyl-sulfate reductase | 0.63 | ABIE40_RS20885 | | DUF2849 domain-containing protein | low | > 107 |
| Serratia liquefaciens MT49 | 0.25 | IAI46_03695 | | phosphoadenylyl-sulfate reductase | 0.08 | IAI46_03690 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.63 | 23 |
| Kangiella aquimarina DSM 16071 | 0.25 | B158DRAFT_2162 | | phosphoadenosine phosphosulfate reductase, thioredoxin dependent | 0.09 | B158DRAFT_2161 | | sulfite reductase (NADPH) beta subunit (EC 1.8.1.2) | low | > 40 |
| Sinorhizobium meliloti 1021 | 0.25 | SMc00092 | | phosphoadenosine phosphosulfate reductase | 0.60 | SMc02124 | | nitrite reductase | 0.98 | 1 |
| Shewanella amazonensis SB2B | 0.25 | Sama_2837 | | phosphoadenosine phosphosulfate reductase (RefSeq) | 0.09 | Sama_2838 | | sulfite reductase subunit beta (RefSeq) | 0.98 | 3 |
| Pantoea agglomerans CFBP13505 P0401 | 0.25 | PagCFBP13505_RS16805 | | phosphoadenylyl-sulfate reductase | 0.08 | PagCFBP13505_RS16810 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.87 | 3 |
| Pantoea sp. MT58 | 0.25 | IAI47_04160 | | phosphoadenylyl-sulfate reductase | 0.08 | IAI47_04155 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.93 | 10 |
| Rahnella sp. WP5 | 0.24 | EX31_RS07895 | | phosphoadenylyl-sulfate reductase | 0.08 | EX31_RS07900 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.97 | 4 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | 0.24 | OHPLBJKB_00971 | | Phosphoadenosine phosphosulfate reductase | 0.09 | OHPLBJKB_00970 | | Sulfite reductase [NADPH] hemoprotein beta-component | low | > 74 |
| Escherichia coli BL21 | 0.24 | ECD_02607 | | phosphoadenosine phosphosulfate reductase; PAPS reductase, thioredoxin dependent | 0.09 | ECD_02608 | | sulfite reductase, beta subunit, NAD(P)-binding, heme-binding | 0.50 | 61 |
| Escherichia coli ECRC62 | 0.24 | BNILDI_10745 | cysH | phosphoadenosine phosphosulfate reductase | 0.09 | BNILDI_10740 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.91 | 25 |
| Escherichia coli ECOR27 | 0.24 | NOLOHH_12195 | cysH | phosphoadenosine phosphosulfate reductase | 0.09 | NOLOHH_12190 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.94 | 9 |
| Escherichia coli Nissle 1917 | 0.24 | ECOLIN_RS15400 | | phosphoadenosine phosphosulfate reductase | 0.09 | ECOLIN_RS15405 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | low | > 55 |
| Shewanella oneidensis MR-1 | 0.24 | SO3736 | cysH | phosphoadenosine phosphosulfate reductase (NCBI ptt file) | 0.09 | SO3737 | cysI | sulfite reductase (NADPH) hemoprotein beta-component (cysI) (NCBI ptt file) | 0.84 | 34 |
| Escherichia fergusonii Becca | 0.24 | EFB2_01155 | | Phosphoadenosine phosphosulfate reductase | 0.09 | EFB2_01154 | | Sulfite reductase [NADPH] hemoprotein beta-component | low | > 86 |
| Escherichia coli ECRC101 | 0.24 | MCAODC_10905 | cysH | phosphoadenosine phosphosulfate reductase | 0.09 | MCAODC_10900 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.92 | 2 |
| Escherichia coli ECRC100 | 0.24 | OKFHMN_20380 | cysH | phosphoadenosine phosphosulfate reductase | 0.09 | OKFHMN_20375 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.95 | 11 |
| Burkholderia phytofirmans PsJN | 0.24 | BPHYT_RS04735 | | phosphoadenosine phosphosulfate reductase | 0.55 | BPHYT_RS04725 | | sulfite reductase | — | — |
| Escherichia coli ECOR38 | 0.24 | HEPCGN_19085 | cysH | phosphoadenosine phosphosulfate reductase | 0.09 | HEPCGN_19090 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.92 | 29 |
| Escherichia coli ECRC98 | 0.24 | JDDGAC_24045 | cysH | phosphoadenosine phosphosulfate reductase | 0.09 | JDDGAC_24040 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.90 | 4 |
| Escherichia coli ECRC102 | 0.24 | NIAGMN_18150 | cysH | phosphoadenosine phosphosulfate reductase | 0.09 | NIAGMN_18145 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.95 | 31 |
| Escherichia coli ECRC99 | 0.24 | KEDOAH_07745 | cysH | phosphoadenosine phosphosulfate reductase | 0.09 | KEDOAH_07750 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | — | — |
| Escherichia coli BW25113 | 0.24 | b2762 | cysH | phosphoadenosine phosphosulfate reductase (NCBI) | 0.09 | b2763 | cysI | sulfite reductase, beta subunit, NAD(P)-binding, heme-binding (NCBI) | 0.95 | 3 |
| Klebsiella michiganensis M5al | 0.24 | BWI76_RS22755 | | phosphoadenosine phosphosulfate reductase | 0.10 | BWI76_RS22760 | | sulfite reductase subunit beta | 0.90 | 2 |
| Shewanella loihica PV-4 | 0.24 | Shew_0667 | | phosphoadenosine phosphosulfate reductase (RefSeq) | 0.09 | Shew_0666 | | sulfite reductase subunit beta (RefSeq) | 0.95 | 3 |
| Enterobacter asburiae PDN3 | 0.24 | EX28DRAFT_2851 | | phosphoadenosine phosphosulfate reductase, thioredoxin dependent | 0.09 | EX28DRAFT_2852 | | sulfite reductase (NADPH) hemoprotein, beta-component | 0.84 | 2 |
| Enterobacter sp. TBS_079 | 0.24 | MPMX20_03641 | | Phosphoadenosine phosphosulfate reductase | 0.09 | MPMX20_03642 | | Sulfite reductase [NADPH] hemoprotein beta-component | 0.88 | 2 |
| Bosea sp. OAE506 | 0.24 | ABIE41_RS15375 | | phosphoadenylyl-sulfate reductase | 0.62 | ABIE41_RS15335 | | nitrite/sulfite reductase | — | — |
| Paraburkholderia bryophila 376MFSha3.1 | 0.24 | H281DRAFT_00116 | | phosphoadenylylsulfate reductase (thioredoxin) | 0.55 | H281DRAFT_00114 | | sulfite reductase (NADPH) beta subunit | 0.71 | 3 |
| Klebsiella pneumoniae MKP103 | 0.24 | KDGMDA_03290 | | phosphoadenosine phosphosulfate reductase | 0.09 | KDGMDA_03295 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | low | > 95 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | 0.24 | GFF4818 | | Phosphoadenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.8) | 0.08 | GFF4819 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | — | — |
| Acinetobacter baumannii LAC-4 | 0.23 | RR41_RS09100 | | phosphoadenylyl-sulfate reductase | 0.54 | RR41_RS03245 | | nitrite/sulfite reductase | — | — |
| Paraburkholderia graminis OAS925 | 0.23 | ABIE53_001228 | | phosphoadenosine phosphosulfate reductase | 0.55 | ABIE53_001226 | | sulfite reductase (NADPH) hemoprotein beta-component | 0.92 | 3 |
| Paraburkholderia sabiae LMG 24235 | 0.23 | QEN71_RS25245 | | phosphoadenylyl-sulfate reductase | 0.56 | QEN71_RS25255 | | nitrite/sulfite reductase | 0.90 | 3 |
| Marinobacter adhaerens HP15 | 0.23 | HP15_1853 | | phosphoadenosine phosphosulfate reductase | 0.53 | HP15_1795 | | sulfite reductase hemoprotein, beta subunit | — | — |
| Dickeya dianthicola ME23 | 0.23 | DZA65_RS18080 | | phosphoadenylyl-sulfate reductase | 0.08 | DZA65_RS18085 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.43 | 12 |
| Erwinia amylovora T8 | 0.23 | OLJFJH_09310 | | phosphoadenylyl-sulfate reductase | 0.06 | OLJFJH_09305 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.86 | 1 |
| Acinetobacter radioresistens SK82 | 0.23 | MPMX26_00649 | | Phosphoadenosine phosphosulfate reductase | 0.54 | MPMX26_00614 | | Sulfite reductase [ferredoxin] | 0.82 | 4 |
| Dickeya dadantii 3937 | 0.22 | DDA3937_RS16935 | | phosphoadenylyl-sulfate reductase | 0.08 | DDA3937_RS16940 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.80 | 3 |
| Synechocystis sp000284455 PCC 6803 | 0.22 | SGL_RS03060 | | phosphoadenosine phosphosulfate reductase | 0.14 | SGL_RS14775 | | ferredoxin--nitrite reductase | — | — |
| Pseudomonas segetis P6 | 0.22 | MPMX49_02642 | | Phosphoadenosine phosphosulfate reductase | 0.54 | MPMX49_02597 | | Sulfite reductase [ferredoxin] | — | — |
| Dickeya dianthicola 67-19 | 0.22 | HGI48_RS17005 | | phosphoadenylyl-sulfate reductase | 0.08 | HGI48_RS17010 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | low | > 71 |
| Erwinia tracheiphila SCR3 | 0.22 | LU632_RS06410 | | phosphoadenylyl-sulfate reductase | 0.09 | LU632_RS06405 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.69 | 21 |
| Ralstonia solanacearum GMI1000 | 0.22 | RS_RS12160 | | phosphoadenylyl-sulfate reductase | 0.54 | RS_RS12170 | | nitrite/sulfite reductase | low | > 80 |
| Pseudomonas aeruginosa PA14 | 0.22 | IKLFDK_08485 | | phosphoadenylyl-sulfate reductase | 0.55 | IKLFDK_08940 | | sulfite reductase | 0.47 | 75 |
| Pectobacterium carotovorum WPP14 | 0.22 | HER17_RS04245 | | phosphoadenylyl-sulfate reductase | 0.08 | HER17_RS04240 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | 0.98 | 1 |
| Pseudomonas stutzeri RCH2 | 0.21 | Psest_2328 | | phosophoadenylyl-sulfate reductase (thioredoxin)/thioredoxin-dependent adenylylsulfate APS reductase | 0.53 | Psest_2089 | | Sulfite reductase, beta subunit (hemoprotein) | — | — |
| Pseudomonas syringae pv. syringae B728a | 0.21 | Psyr_2078 | | phosphoadenylylsulfate reductase (thioredoxin) | 0.56 | Psyr_2462 | | Nitrite/sulfite reductase, hemoprotein beta-component, ferrodoxin-like:Nitrite and sulphite reductase 4Fe-4S region | — | — |
| Pseudomonas syringae pv. syringae B728a ΔmexB | 0.21 | Psyr_2078 | | phosphoadenylylsulfate reductase (thioredoxin) | 0.56 | Psyr_2462 | | Nitrite/sulfite reductase, hemoprotein beta-component, ferrodoxin-like:Nitrite and sulphite reductase 4Fe-4S region | — | — |
| Pseudomonas fluorescens GW456-L13 | 0.21 | PfGW456L13_4125 | | Phosphoadenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.8) / Adenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.10) | 0.55 | PfGW456L13_2843 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | 0.78 | 10 |
| Pseudomonas simiae WCS417 | 0.21 | PS417_21125 | | phosphoadenosine phosphosulfate reductase | 0.54 | PS417_12290 | | sulfite reductase | 0.43 | 66 |
| Dechlorosoma suillum PS | 0.21 | Dsui_1984 | | thioredoxin-dependent adenylylsulfate APS reductase | 0.55 | Dsui_1986 | | sulfite reductase, beta subunit (hemoprotein) | — | — |
| Pseudomonas fluorescens FW300-N1B4 | 0.21 | Pf1N1B4_3812 | | Phosphoadenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.8) / Adenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.10) | 0.55 | Pf1N1B4_5665 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | 0.70 | 21 |
| Pseudomonas fluorescens SBW25 | 0.21 | PFLU_RS22740 | | phosphoadenylyl-sulfate reductase | 0.54 | PFLU_RS12980 | | nitrite/sulfite reductase | low | > 109 |
| Pseudomonas fluorescens SBW25-INTG | 0.21 | PFLU_RS22740 | | phosphoadenylyl-sulfate reductase | 0.54 | PFLU_RS12980 | | nitrite/sulfite reductase | 0.60 | 2 |
| Hydrogenophaga sp. GW460-11-11-14-LB1 | 0.20 | GFF4291 | | Phosphoadenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.8) / Adenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.10) | 0.46 | GFF4293 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | 0.85 | 10 |
| Pseudomonas sp. SVBP6 | 0.20 | COO64_RS09865 | | phosphoadenylyl-sulfate reductase | 0.55 | COO64_RS24895 | | nitrite/sulfite reductase | low | > 93 |
| Pseudomonas lactucae CFBP13502 | 0.20 | GEMAOFIL_04369 | | Phosphoadenosine phosphosulfate reductase | 0.54 | GEMAOFIL_02703 | | Sulfite reductase [ferredoxin] | low | > 93 |
| Pseudomonas putida KT2440 | 0.20 | PP_2328 | | Phosphoadenosine phosphosulfate reductase | 0.55 | PP_2371 | | Sulphite reductase hemoprotein, beta subunit | 0.77 | 2 |
| Pseudomonas sp. BP01 | 0.20 | JOY50_RS25780 | | phosphoadenylyl-sulfate reductase | 0.59 | JOY50_RS02185 | | DUF2849 domain-containing protein | low | > 84 |
| Pseudomonas fluorescens FW300-N2E3 | 0.20 | AO353_00935 | | phosphoadenosine phosphosulfate reductase | 0.54 | AO353_22800 | | sulfite reductase | — | — |
| Pseudomonas sp. RS175 | 0.20 | PFR28_02935 | | Phosphoadenosine phosphosulfate reductase | 0.55 | PFR28_01366 | | Sulfite reductase [ferredoxin] | — | — |
| Pseudomonas sp. DMC3 | 0.20 | GFF2677 | | Phosphoadenosine phosphosulfate reductase | 0.54 | GFF3692 | | Sulfite reductase [ferredoxin] | 0.94 | 43 |
| Pseudomonas fluorescens FW300-N2C3 | 0.20 | AO356_20830 | | phosphoadenosine phosphosulfate reductase | 0.55 | AO356_00555 | | sulfite reductase | 0.63 | 21 |
| Pseudomonas fluorescens FW300-N2E2 | 0.20 | Pf6N2E2_6054 | | Phosphoadenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.8) / Adenylyl-sulfate reductase [thioredoxin] (EC 1.8.4.10) | 0.55 | Pf6N2E2_2073 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | — | — |
Not shown: 9 genomes with orthologs for MPMX19_00649 only; 17 genomes with orthologs for MPMX19_00652 only