| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Erwinia tracheiphila SCR3 | LU632_RS06405 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 100 | 100 |
| o | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_17425 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 100 | 100 |
| o | Erwinia amylovora T8 | OLJFJH_09305 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 87 | 100 |
| o | Pantoea sp. MT58 | IAI47_04155 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 86 | 100 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS16810 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 86 | 100 |
| o | Serratia liquefaciens MT49 | IAI46_03690 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 84 | 99 |
| o | Enterobacter sp. TBS_079 | MPMX20_03642 | | Sulfite reductase [NADPH] hemoprotein beta-component | strong | 83 | 100 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_2852 | | sulfite reductase (NADPH) hemoprotein, beta-component | strong | 83 | 100 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_03295 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | insig. | 83 | 100 |
| o | Klebsiella michiganensis M5al | BWI76_RS22760 | | sulfite reductase subunit beta | strong | 83 | 100 |
| o | Escherichia fergusonii Becca | EFB2_01154 | | Sulfite reductase [NADPH] hemoprotein beta-component | insig. | 82 | 99 |
| o | Escherichia coli ECOR27 | NOLOHH_12190 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Escherichia coli ECRC100 | OKFHMN_20375 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Escherichia coli ECRC101 | MCAODC_10900 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Escherichia coli ECRC102 | NIAGMN_18145 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Escherichia coli ECRC62 | BNILDI_10740 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Escherichia coli ECRC98 | JDDGAC_24040 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Escherichia coli ECRC99 | KEDOAH_07750 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | no data | 82 | 99 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00970 | | Sulfite reductase [NADPH] hemoprotein beta-component | insig. | 82 | 99 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4819 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | insig. | 82 | 100 |
| o | Escherichia coli BL21 | ECD_02608 | | sulfite reductase, beta subunit, NAD(P)-binding, heme-binding | cofit | 82 | 99 |
| o | Escherichia coli Nissle 1917 | ECOLIN_RS15405 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | cofit | 82 | 99 |
| o | Escherichia coli BW25113 | b2763 | cysI | sulfite reductase, beta subunit, NAD(P)-binding, heme-binding (NCBI) | strong | 82 | 99 |
| o | Escherichia coli ECOR38 | HEPCGN_19090 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Dickeya dianthicola ME23 | DZA65_RS18085 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Dickeya dianthicola 67-19 | HGI48_RS17010 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Dickeya dadantii 3937 | DDA3937_RS16940 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 81 | 99 |
| o | Rahnella sp. WP5 | EX31_RS07900 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 82 | 99 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS04240 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 80 | 99 |
| o | Alteromonas macleodii MIT1002 | MIT1002_03379 | | Sulfite reductase [NADPH] hemoprotein beta-component | no data | 72 | 100 |
| o | Vibrio cholerae E7946 ATCC 55056 | CSW01_02015 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | cofit | 73 | 98 |
| o | Shewanella amazonensis SB2B | Sama_2838 | | sulfite reductase subunit beta (RefSeq) | strong | 71 | 98 |
| o | Shewanella loihica PV-4 | Shew_0666 | | sulfite reductase subunit beta (RefSeq) | strong | 58 | 97 |
| o | Shewanella sp. ANA-3 | Shewana3_0856 | | sulfite reductase subunit beta (RefSeq) | strong | 58 | 98 |
| o | Shewanella oneidensis MR-1 | SO3737 | cysI | sulfite reductase (NADPH) hemoprotein beta-component (cysI) (NCBI ptt file) | strong | 58 | 98 |
| o | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS05900 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 51 | 97 |
| o | Kangiella aquimarina DSM 16071 | B158DRAFT_2161 | | sulfite reductase (NADPH) beta subunit (EC 1.8.1.2) | insig. | 50 | 97 |
| o | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS09185 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 51 | 95 |
| o | Lysobacter sp. OAE881 | ABIE51_RS15830 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 50 | 95 |
| o | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1257.1 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | strong | 50 | 95 |
| o | Rhodanobacter sp. FW510-T8 | OKGIIK_05965 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | insig. | 50 | 95 |
| o | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS00925 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | sig. | 50 | 96 |
| o | Castellaniella sp019104865 MT123 | ABCV34_RS00215 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 47 | 95 |
| o | Synechococcus elongatus PCC 7942 | Synpcc7942_0019 | sir | Sulfite reductase, ferredoxin dependent | no data | 37 | 96 |
| o | Synechocystis sp000284455 PCC 6803 | SGL_RS03380 | | sulfite reductase, ferredoxin dependent | strong | 36 | 96 |
| o | Mycobacterium tuberculosis H37Rv | Rv2391 | | Ferredoxin-dependent sulfite reductase SirA | no data | 27 | 88 |
| | Xanthobacter sp. DMC5 | GFF1979 | | Sulfite reductase [ferredoxin] | strong | 27 | 84 |
| o | Herbaspirillum seropedicae SmR1 | HSERO_RS15550 | | sulfite reductase | strong | 25 | 94 |
| o | Caulobacter crescentus NA1000 | CCNA_01177 | | sulfite reductase, beta subunit | strong | 26 | 95 |
| o | Caulobacter crescentus NA1000 Δfur | CCNA_01177 | | sulfite reductase, beta subunit | cofit | 26 | 95 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_3285 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | insig. | 25 | 92 |
| o | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1498 | | Sulfite reductase, beta subunit (hemoprotein) | strong | 24 | 92 |
| o | Pseudomonas sp. SVBP6 | COO64_RS13825 | | nitrite/sulfite reductase | insig. | 24 | 92 |
| o | Sphingobium sp. HT1-2 | GFF1452 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | no data | 24 | 92 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS14775 | | ferredoxin--nitrite reductase | no data | 24 | 80 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_22865 | | sulfite reductase | insig. | 23 | 92 |
| o | Phaeobacter inhibens DSM 17395 | PGA1_c20760 | | putative nitrite/sulfite reductase | no data | 25 | 85 |
| o | Azospirillum sp. SherDot2 | MPMX19_00652 | | Sulfite reductase [ferredoxin] | strong | 25 | 89 |
| o | Ralstonia sp. UNC404CL21Col | ABZR87_RS00210 | | nitrite/sulfite reductase | strong | 23 | 92 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_1240 | nirA | ferredoxin-nitrite reductase | no data | 25 | 73 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS11185 | | nitrite/sulfite reductase | cofit | 26 | 75 |
| o | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS04600 | | sulfite reductase | sig. | 23 | 92 |
| o | Ralstonia solanacearum UW163 | UW163_RS09070 | | sulfite reductase | strong | 23 | 92 |
| o | Ralstonia solanacearum PSI07 | RPSI07_RS12775 | | nitrite/sulfite reductase | strong | 23 | 92 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4656 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | insig. | 23 | 92 |
| | Rhizobium sp. OAE497 | ABIE40_RS20885 | | DUF2849 domain-containing protein | cofit | 24 | 89 |
| o | Azospirillum brasilense Sp245 | AZOBR_RS10125 | | sulfite reductase | strong | 24 | 90 |
| | Rhodopseudomonas palustris CGA009 | TX73_019220 | | NirA family protein | insig. | 25 | 82 |
| o | Dechlorosoma suillum PS | Dsui_1986 | | sulfite reductase, beta subunit (hemoprotein) | no data | 25 | 83 |
| o | Dinoroseobacter shibae DFL-12 | Dshi_1153 | | nitrite/sulfite reductase hemoprotein beta-component ferrodoxin domain protein (RefSeq) | no data | 24 | 83 |
| | Rhodospirillum rubrum S1H | Rru_A1931 | | Ferredoxin--nitrite reductase (NCBI) | no data | 25 | 84 |
| o | Ralstonia solanacearum GMI1000 | RS_RS12170 | | nitrite/sulfite reductase | strong | 22 | 92 |
| o | Bosea sp. OAE506 | ABIE41_RS21305 | | NirA family protein | insig. | 24 | 96 |
| o | Acinetobacter baumannii LAC-4 | RR41_RS03245 | | nitrite/sulfite reductase | sig. | 23 | 92 |
| o | Cupriavidus basilensis FW507-4G11 | RR42_RS16270 | | sulfite reductase | strong | 22 | 94 |
| o | Burkholderia phytofirmans PsJN | BPHYT_RS22415 | | nitrite reductase | sig. | 23 | 83 |
| o | Paraburkholderia graminis OAS925 | ABIE53_001226 | | sulfite reductase (NADPH) hemoprotein beta-component | strong | 22 | 92 |
| o | Sinorhizobium meliloti 1021 | SMc02124 | | nitrite reductase | strong | 24 | 92 |
| | Cellulophaga baltica 18 | M666_RS08185 | | HEPN domain-containing protein | no data | 22 | 76 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_21270 | | sulfite reductase | insig. | 25 | 92 |
| | Bosea sp. OAE506 | ABIE41_RS15335 | | nitrite/sulfite reductase | sig. | 23 | 92 |
| o | Pseudomonas sp. S08-1 | OH686_03470 | | Sulfite reductase [NADPH] hemoprotein beta-component | strong | 23 | 91 |
| | Rhodopseudomonas palustris CGA009 | TX73_021840 | | nitrite/sulfite reductase | strong | 24 | 92 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_2462 | | Nitrite/sulfite reductase, hemoprotein beta-component, ferrodoxin-like:Nitrite and sulphite reductase 4Fe-4S region | strong | 23 | 91 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_2462 | | Nitrite/sulfite reductase, hemoprotein beta-component, ferrodoxin-like:Nitrite and sulphite reductase 4Fe-4S region | strong | 23 | 91 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS04095 | | nitrite reductase | strong | 24 | 74 |
| | Pseudomonas sp. BP01 | JOY50_RS02185 | | DUF2849 domain-containing protein | insig. | 24 | 86 |
| o | Pseudomonas putida KT2440 | PP_2371 | | Sulphite reductase hemoprotein, beta subunit | strong | 23 | 87 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS36875 | | nitrite/sulfite reductase | insig. | 23 | 76 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_22800 | | sulfite reductase | strong | 22 | 87 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_08940 | | sulfite reductase | strong | 22 | 91 |
| o | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00114 | | sulfite reductase (NADPH) beta subunit | strong | 22 | 92 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS04955 | | HEPN domain-containing protein | no data | 23 | 78 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02703 | | Sulfite reductase [ferredoxin] | strong | 22 | 87 |
| o | Pseudomonas segetis P6 | MPMX49_02597 | | Sulfite reductase [ferredoxin] | no data | 21 | 84 |
| | Xanthobacter sp. DMC5 | GFF2389 | | Sulfite reductase [ferredoxin] | strong | 28 | 48 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2073 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | strong | 22 | 87 |
| | Pseudomonas simiae WCS417 | PS417_12290 | | sulfite reductase | strong | 22 | 87 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_00555 | | sulfite reductase | strong | 21 | 87 |
| o | Pseudomonas sp. RS175 | PFR28_01366 | | Sulfite reductase [ferredoxin] | strong | 22 | 87 |