| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3534 | | Cobalamin biosynthesis protein CobG | insig. | 100 | 100 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_08280 | | oxidoreductase | strong | 93 | 100 |
| o | Pseudomonas sp. RS175 | PFR28_05204 | | Sulfite reductase [ferredoxin] | sig. | 83 | 100 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1329 | | Cobalamin biosynthesis protein CobG | strong | 77 | 100 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_67 | | Cobalamin biosynthesis protein CobG | strong | 74 | 100 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_13605 | | oxidoreductase | strong | 72 | 100 |
| o | Pseudomonas sp. DMC3 | GFF3300 | | Sulfite reductase [ferredoxin] | no data | 73 | 100 |
| o | Pseudomonas protegens RBAN4 | FABNJH_03395 | cobG | precorrin-3B synthase | insig. | 72 | 100 |
| o | Pseudomonas simiae WCS417 | PS417_02900 | | oxidoreductase | no data | 70 | 100 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00812 | | Sulfite reductase [ferredoxin] | cofit | 68 | 99 |
| o | Pseudomonas orientalis W4I3 | QF045_RS05930 | | precorrin-3B synthase | cofit | 68 | 100 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS02975 | | precorrin-3B synthase | strong | 68 | 100 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS02975 | | precorrin-3B synthase | strong | 68 | 100 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_4417 | | Ferredoxin--nitrite reductase | insig. | 63 | 100 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4417 | | Ferredoxin--nitrite reductase | insig. | 63 | 100 |
| o | Pseudomonas sp. SVBP6 | COO64_RS18255 | cobG | precorrin-3B synthase | insig. | 65 | 100 |
| o | Pseudomonas sp. BP01 | JOY50_RS17575 | cobG | precorrin-3B synthase | strong | 61 | 98 |
| o | Pseudomonas putida KT2440 | PP_4829 | | putative precorrin-3B synthase | strong | 63 | 98 |
| o | Pseudomonas sp. S08-1 | OH686_05125 | | precorrin-3B synthase | insig. | 54 | 98 |
| o | Pseudomonas aeruginosa MRSN321 | PFGADD_02067 | cobG | precorrin-3B synthase | no data | 54 | 99 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_14765 | | precorrin-3B synthase | no data | 54 | 99 |
| o | Pseudomonas aeruginosa PUPa3 | NPBIFN_02106 | cobG | precorrin-3B synthase | no data | 54 | 99 |
| o | Paraburkholderia graminis OAS925 | ABIE53_005932 | | precorrin-3B synthase | strong | 49 | 96 |
| o | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_02863 | | precorrin-3B synthase | strong | 45 | 96 |
| o | Burkholderia phytofirmans PsJN | BPHYT_RS26680 | | oxidoreductase | insig. | 44 | 100 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS08760 | | precorrin-3B synthase | cofit | 46 | 100 |
| | Xanthobacter sp. DMC5 | GFF1979 | | Sulfite reductase [ferredoxin] | strong | 35 | 89 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_1851 | cobG | Ferredoxin--nitrite reductase | no data | 29 | 91 |
| | Bosea sp. OAE506 | ABIE41_RS21305 | | NirA family protein | insig. | 31 | 89 |
| | Rhodopseudomonas palustris CGA009 | TX73_019220 | | NirA family protein | insig. | 30 | 89 |
| | Azospirillum sp. SherDot2 | MPMX19_05572 | | hypothetical protein | no data | 30 | 91 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS14775 | | ferredoxin--nitrite reductase | no data | 28 | 86 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_1240 | nirA | ferredoxin-nitrite reductase | no data | 27 | 86 |
| | Sinorhizobium meliloti 1021 | SMc03193 | | cobalamin biosynthesis protein | no data | 30 | 94 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_02515 | | nitrite reductase | strong | 21 | 84 |
| | Mycobacterium tuberculosis H37Rv | Rv2391 | | Ferredoxin-dependent sulfite reductase SirA | no data | 24 | 85 |
| | Cellulophaga baltica 18 | M666_RS08185 | | HEPN domain-containing protein | no data | 22 | 85 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_0981 | | Sulfite reductase, beta subunit (hemoprotein) | insig. | 22 | 85 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS11185 | | nitrite/sulfite reductase | cofit | 23 | 85 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS04095 | | nitrite reductase | strong | 22 | 84 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS04955 | | HEPN domain-containing protein | no data | 23 | 84 |
| | Rhizobium sp. OAE497 | ABIE40_RS20885 | | DUF2849 domain-containing protein | cofit | 26 | 90 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1153 | | nitrite/sulfite reductase hemoprotein beta-component ferrodoxin domain protein (RefSeq) | no data | 23 | 87 |
| | Pseudomonas sp. BP01 | JOY50_RS02185 | | DUF2849 domain-containing protein | insig. | 25 | 90 |
| | Alteromonas macleodii MIT1002 | MIT1002_03379 | | Sulfite reductase [NADPH] hemoprotein beta-component | no data | 25 | 91 |
| | Azospirillum brasilense Sp245 | AZOBR_RS16685 | | precorrin-3B synthase | no data | 30 | 34 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c08160 | | putative precorrin-3B synthase | no data | 28 | 92 |
| | Agrobacterium fabrum C58 | Atu2803 | | Cobalamin biosynthesis associated protein | strong | 28 | 87 |
| | Azospirillum sp. SherDot2 | MPMX19_00652 | | Sulfite reductase [ferredoxin] | strong | 24 | 89 |
| | Sphingobium sp. HT1-2 | GFF1452 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | no data | 22 | 87 |
| | Rhodospirillum rubrum S1H | Rru_A1931 | | Ferredoxin--nitrite reductase (NCBI) | no data | 24 | 87 |
| | Shewanella amazonensis SB2B | Sama_2838 | | sulfite reductase subunit beta (RefSeq) | strong | 24 | 91 |
| | Azospirillum brasilense Sp245 | AZOBR_RS16685 | | precorrin-3B synthase | no data | 35 | 41 |
| | Bosea sp. OAE506 | ABIE41_RS01795 | | precorrin-3B synthase | no data | 28 | 91 |
| | Rhizobium sp. OAE497 | ABIE40_RS20460 | | precorrin-3B synthase | cofit | 26 | 92 |
| | Mycobacterium tuberculosis H37Rv | Rv2064 | | Precorrin-3B synthase CobG | insig. | 36 | 31 |
| | Sinorhizobium meliloti 1021 | SMc02124 | | nitrite reductase | strong | 23 | 93 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2442 | | Anaerobic sulfite reductase subunit C (EC 1.8.1.-) | insig. | 31 | 31 |
| | Xanthobacter sp. DMC5 | GFF3289 | | hypothetical protein | no data | 28 | 89 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS15550 | | sulfite reductase | strong | 22 | 87 |
| | Bosea sp. OAE506 | ABIE41_RS15335 | | nitrite/sulfite reductase | sig. | 23 | 89 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_3285 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | insig. | 23 | 89 |
| | Agrobacterium fabrum C58 | Atu1456 | | sulfite reductase (NADPH) hemoprotein beta-component | strong | 22 | 93 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_00827 | | nitrite/sulfite reductase | insig. | 23 | 89 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_00825 | | Sulfite reductase | insig. | 23 | 89 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_21270 | | sulfite reductase | insig. | 23 | 89 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00970 | | Sulfite reductase [NADPH] hemoprotein beta-component | insig. | 22 | 89 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS00210 | | nitrite/sulfite reductase | strong | 22 | 87 |
| | Erwinia tracheiphila SCR3 | LU632_RS06405 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 24 | 89 |
| | Escherichia coli BW25113 | b2763 | cysI | sulfite reductase, beta subunit, NAD(P)-binding, heme-binding (NCBI) | strong | 22 | 89 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS00215 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 25 | 89 |
| | Escherichia coli BL21 | ECD_02608 | | sulfite reductase, beta subunit, NAD(P)-binding, heme-binding | cofit | 22 | 89 |
| | Methylophilus sp. DMC18 | GFF1019 | | Sulfite reductase [ferredoxin] | no data | 24 | 86 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00114 | | sulfite reductase (NADPH) beta subunit | strong | 23 | 86 |
| | Shewanella loihica PV-4 | Shew_0666 | | sulfite reductase subunit beta (RefSeq) | strong | 32 | 27 |
| | Escherichia fergusonii Becca | EFB2_01154 | | Sulfite reductase [NADPH] hemoprotein beta-component | insig. | 22 | 89 |
| | Escherichia coli ECOR27 | NOLOHH_12190 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 89 |
| | Escherichia coli ECRC100 | OKFHMN_20375 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 89 |
| | Escherichia coli ECRC101 | MCAODC_10900 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 89 |
| | Escherichia coli ECRC102 | NIAGMN_18145 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 89 |
| | Escherichia coli ECRC62 | BNILDI_10740 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 89 |
| | Escherichia coli ECRC98 | JDDGAC_24040 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 89 |
| | Escherichia coli ECRC99 | KEDOAH_07750 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | no data | 22 | 89 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15405 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | cofit | 22 | 89 |
| | Escherichia coli ECOR38 | HEPCGN_19090 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 89 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS03380 | | sulfite reductase, ferredoxin dependent | strong | 22 | 64 |
| | Paraburkholderia graminis OAS925 | ABIE53_001226 | | sulfite reductase (NADPH) hemoprotein beta-component | strong | 24 | 92 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c20760 | | putative nitrite/sulfite reductase | no data | 31 | 29 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_00984 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | insig. | 23 | 89 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS32940 | | sulfite reductase | insig. | 24 | 89 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1498 | | Sulfite reductase, beta subunit (hemoprotein) | strong | 29 | 41 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_17425 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 24 | 89 |
| | Mycobacterium tuberculosis H37Rv | Rv2064 | | Precorrin-3B synthase CobG | insig. | 36 | 34 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c20760 | | putative nitrite/sulfite reductase | no data | 26 | 49 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4819 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | insig. | 22 | 89 |
| | Caulobacter crescentus NA1000 | CCNA_01177 | | sulfite reductase, beta subunit | strong | 33 | 31 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_01177 | | sulfite reductase, beta subunit | cofit | 33 | 31 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS04725 | | sulfite reductase | strong | 23 | 92 |
| | Pseudomonas protegens RBAN4 | FABNJH_14755 | | Sulfite reductase (NADPH) hemoprotein, beta-component | insig. | 23 | 87 |
| | Pseudomonas sp. SVBP6 | COO64_RS13825 | | nitrite/sulfite reductase | insig. | 23 | 88 |
| | Shewanella oneidensis MR-1 | SO3737 | cysI | sulfite reductase (NADPH) hemoprotein beta-component (cysI) (NCBI ptt file) | strong | 32 | 29 |
| | Sphingobium sp. HT1-2 | GFF1860 | | Precorrin-3B synthase | strong | 27 | 91 |
| | Shewanella sp. ANA-3 | Shewana3_0856 | | sulfite reductase subunit beta (RefSeq) | strong | 32 | 29 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS09185 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 25 | 49 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS00925 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | sig. | 26 | 46 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS05900 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 28 | 49 |
| | Lysobacter sp. OAE881 | ABIE51_RS15830 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 27 | 50 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1257.1 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | strong | 33 | 29 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_2161 | | sulfite reductase (NADPH) beta subunit (EC 1.8.1.2) | insig. | 26 | 25 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_0019 | sir | Sulfite reductase, ferredoxin dependent | no data | 23 | 53 |
| | Methanococcus maripaludis S2 | MMP_RS00450 | | 4Fe-4S binding protein | strong | 23 | 29 |
| | Rhodopseudomonas palustris CGA009 | TX73_021840 | | nitrite/sulfite reductase | strong | 22 | 91 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_03288 | | Sulfite reductase | strong | 22 | 96 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_08940 | | sulfite reductase | strong | 22 | 96 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_03324 | | Sulfite reductase | strong | 22 | 96 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1498 | | Sulfite reductase, beta subunit (hemoprotein) | strong | 29 | 26 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS25255 | | nitrite/sulfite reductase | strong | 24 | 48 |
| | Erwinia amylovora T8 | OLJFJH_09305 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 27 | 29 |
| | Pseudomonas putida KT2440 | PP_2371 | | Sulphite reductase hemoprotein, beta subunit | strong | 21 | 89 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS09665 | | nitrite/sulfite reductase | strong | 22 | 89 |
| | Rhizobium sp. OAE497 | ABIE40_RS09150 | | nitrite/sulfite reductase | strong | 29 | 31 |
| | Dickeya dadantii 3937 | DDA3937_RS16940 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 23 | 89 |
| | Methanococcus maripaludis JJ | MMJJ_RS05035 | | 4Fe-4S binding protein | sig. | 23 | 29 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_05965 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 25 | 46 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1498 | | Sulfite reductase, beta subunit (hemoprotein) | strong | 22 | 47 |
| | Dickeya dianthicola ME23 | DZA65_RS18085 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 24 | 52 |
| | Dickeya dianthicola 67-19 | HGI48_RS17010 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 52 |
| | Pantoea sp. MT58 | IAI47_04155 | | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 89 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS04425 | cysI | assimilatory sulfite reductase (NADPH) hemoprotein subunit | strong | 22 | 45 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4656 | | Sulfite reductase [NADPH] hemoprotein beta-component (EC 1.8.1.2) | insig. | 28 | 32 |
| | Pseudomonas sp. RS175 | PFR28_01366 | | Sulfite reductase [ferredoxin] | strong | 22 | 89 |