| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_06380 | | GTP cyclohydrolase II | cofit | 100 | 100 |
| o | Dickeya dadantii 3937 | DDA3937_RS21535 | | GTP cyclohydrolase II | insig. | 52 | 90 |
| o | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS03435 | | GTP cyclohydrolase II | strong | 55 | 82 |
| o | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS17905 | | GTP cyclohydrolase II RibA | insig. | 55 | 84 |
| o | Ralstonia solanacearum UW163 | UW163_RS21235 | | GTP cyclohydrolase II RibA | insig. | 55 | 84 |
| o | Pseudomonas sp. SVBP6 | COO64_RS10760 | ribA | GTP cyclohydrolase II RibA | insig. | 50 | 84 |
| | Sphingobium sp. HT1-2 | GFF4188 | | Uncharacterized domain, not in CDD / GTP cyclohydrolase II (EC 3.5.4.25) | no data | 49 | 82 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_2219 | | GTP cyclohydrolase II | no data | 49 | 88 |
| | Fusobacterium nucleatum SB010 | HUW76_09295 | | bifunctional 3,4-dihydroxy-2-butanone-4-phosphate synthase/GTP cyclohydrolase II | no data | 52 | 82 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_0049 | | GTP cyclohydrolase II | no data | 51 | 80 |
| o | Marinobacter adhaerens HP15 | HP15_579 | | bifunctional 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II protein | no data | 49 | 81 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS00110 | | GTP cyclohydrolase II | no data | 47 | 81 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU1199 | ribAB | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II (TIGR) | no data | 50 | 83 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3093 | | 3,4-dihydroxy-2-butanone 4-phosphate synthase (RefSeq) | no data | 50 | 82 |
| o | Shewanella oneidensis MR-1 | SO2831 | ribA | GTP cyclohydrolase II (NCBI ptt file) | no data | 49 | 81 |
| o | Shewanella sp. ANA-3 | Shewana3_2600 | ribA | GTP cyclohydrolase II (RefSeq) | no data | 48 | 81 |
| o | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_23750 | ribA | GTP cyclohydrolase II | no data | 48 | 83 |
| o | Erwinia tracheiphila SCR3 | LU632_RS12530 | ribA | GTP cyclohydrolase II | no data | 48 | 83 |
| o | Shewanella loihica PV-4 | Shew_2446 | | GTP cyclohydrolase II (RefSeq) | no data | 47 | 81 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS10240 | | bifunctional 3,4-dihydroxy-2-butanone-4-phosphate synthase/GTP cyclohydrolase II | no data | 48 | 81 |
| o | Shewanella amazonensis SB2B | Sama_1277 | ribA | GTP cyclohydrolase II (RefSeq) | no data | 47 | 81 |
| o | Escherichia coli BL21 | ECD_01254 | | GTP cyclohydrolase II | no data | 50 | 82 |
| o | Escherichia coli ECOR27 | NOLOHH_20235 | ribA | GTP cyclohydrolase-2 | no data | 50 | 82 |
| o | Escherichia coli ECOR38 | HEPCGN_25630 | ribA | GTP cyclohydrolase-2 | no data | 50 | 82 |
| o | Escherichia coli ECRC100 | OKFHMN_02570 | ribA | GTP cyclohydrolase-2 | no data | 50 | 82 |
| o | Escherichia coli ECRC101 | MCAODC_15695 | ribA | GTP cyclohydrolase-2 | no data | 50 | 82 |
| o | Escherichia coli ECRC102 | NIAGMN_26740 | ribA | GTP cyclohydrolase-2 | no data | 50 | 82 |
| o | Escherichia coli ECRC62 | BNILDI_18385 | ribA | GTP cyclohydrolase-2 | no data | 50 | 82 |
| o | Escherichia coli ECRC98 | JDDGAC_05115 | ribA | GTP cyclohydrolase-2 | no data | 50 | 82 |
| o | Escherichia coli ECRC99 | KEDOAH_26195 | ribA | GTP cyclohydrolase-2 | no data | 50 | 82 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02405 | | GTP cyclohydrolase-2 | no data | 50 | 82 |
| o | Escherichia coli BW25113 | b1277 | ribA | GTP cyclohydrolase II protein (NCBI) | no data | 50 | 82 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2708 | | GTP cyclohydrolase II (EC 3.5.4.25) | no data | 49 | 82 |
| o | Escherichia fergusonii Becca | EFB2_02648 | | GTP cyclohydrolase-2 | no data | 49 | 82 |
| o | Escherichia coli Nissle 1917 | ECOLIN_RS07710 | | GTP cyclohydrolase II | no data | 49 | 82 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_0950 | | GTP cyclohydrolase II | no data | 49 | 83 |
| o | Enterobacter sp. TBS_079 | MPMX20_02498 | | GTP cyclohydrolase-2 | no data | 49 | 82 |
| o | Castellaniella sp019104865 MT123 | ABCV34_RS00955 | | GTP cyclohydrolase II | no data | 49 | 81 |
| | Azospirillum sp. SherDot2 | MPMX19_00047 | | Riboflavin biosynthesis protein RibBA | no data | 44 | 89 |
| o | Klebsiella michiganensis M5al | BWI76_RS11945 | | GTP cyclohydrolase II | no data | 49 | 82 |
| o | Rahnella sp. WP5 | EX31_RS09880 | | GTP cyclohydrolase II | no data | 49 | 82 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_19635 | | GTP cyclohydrolase-2 | no data | 48 | 82 |
| o | Dechlorosoma suillum PS | Dsui_0717 | | GTP cyclohydrolase II | no data | 46 | 81 |
| | Rhodospirillum rubrum S1H | Rru_A3637 | | GTP cyclohydrolase II (NCBI) | no data | 46 | 80 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_3385 | | GTP cyclohydrolase II/3,4-dihydroxy-2-butanone 4-phosphate synthase | no data | 46 | 82 |
| o | Dickeya dianthicola 67-19 | HGI48_RS12600 | | GTP cyclohydrolase II | no data | 47 | 82 |
| o | Dickeya dianthicola ME23 | DZA65_RS13050 | | GTP cyclohydrolase II | no data | 47 | 82 |
| o | Acinetobacter radioresistens SK82 | MPMX26_02745 | | GTP cyclohydrolase-2 | no data | 48 | 82 |
| o | Pantoea sp. MT58 | IAI47_09255 | | GTP cyclohydrolase II | no data | 47 | 83 |
| | Dickeya dadantii 3937 | DDA3937_RS12545 | | GTP cyclohydrolase II | no data | 47 | 82 |
| | Azospirillum brasilense Sp245 | AZOBR_RS01885 | | GTP cyclohydrolase | no data | 45 | 81 |
| o | Serratia liquefaciens MT49 | IAI46_13945 | | GTP cyclohydrolase II | no data | 48 | 82 |
| o | Erwinia amylovora T8 | OLJFJH_13550 | | GTP cyclohydrolase II | no data | 47 | 82 |
| | Xanthobacter sp. DMC5 | GFF3927 | | GTP cyclohydrolase-2 | insig. | 45 | 82 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS27700 | ribA;go_function=GTP | GTP cyclohydrolase II | no data | 47 | 81 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS47945 | ribA;go_function=GTP | GTP cyclohydrolase II | no data | 47 | 81 |
| o | Pseudomonas sp. RS175 | PFR28_03941 | | Riboflavin biosynthesis protein | no data | 44 | 88 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_20865 | | GTP cyclohydrolase-2 | no data | 47 | 81 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS06920 | | GTP cyclohydrolase II | no data | 48 | 83 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS09325 | | GTP cyclohydrolase II | no data | 46 | 83 |
| o | Pseudomonas orientalis W4I3 | QF045_RS27195 | | GTP cyclohydrolase II | no data | 44 | 88 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_06675 | | GTP cyclohydrolase | no data | 44 | 88 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4927 | | GTP cyclohydrolase II (EC 3.5.4.25) | no data | 44 | 88 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_05151 | | Riboflavin biosynthesis protein | no data | 44 | 88 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_14970 | | GTP cyclohydrolase | no data | 44 | 88 |
| o | Pseudomonas segetis P6 | MPMX49_00999 | | Riboflavin biosynthesis protein | no data | 46 | 81 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_1432 | ribA | bifunctional 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II protein | no data | 47 | 77 |
| o | Pseudomonas simiae WCS417 | PS417_25230 | | GTP cyclohydrolase | no data | 44 | 88 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS16770 | | bifunctional 3,4-dihydroxy-2-butanone-4-phosphate synthase/GTP cyclohydrolase II | no data | 44 | 82 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c33340 | | putative GTP cyclohydrolase-2 | no data | 47 | 76 |
| | Caulobacter crescentus NA1000 | CCNA_00931 | | GTP cyclohydrolase II/3,4-dihydroxy-2-butanone-4-phosphate synthase | strong | 48 | 76 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00931 | | GTP cyclohydrolase II/3,4-dihydroxy-2-butanone-4-phosphate synthase | cofit | 48 | 76 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_12255 | | bifunctional 3,4-dihydroxy-2-butanone-4-phosphate synthase/GTP cyclohydrolase II | no data | 44 | 81 |
| o | Pseudomonas sp. S08-1 | OH686_15740 | | GTP cyclohydrolase II | no data | 43 | 88 |
| o | Alteromonas macleodii MIT1002 | MIT1002_00144 | | GTP cyclohydrolase-2 | no data | 44 | 88 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS26865 | | GTP cyclohydrolase II | no data | 47 | 77 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS26865 | | GTP cyclohydrolase II | no data | 47 | 77 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS23850 | | GTP cyclohydrolase | no data | 45 | 82 |
| | Bosea sp. OAE506 | ABIE41_RS11035 | | GTP cyclohydrolase II RibA | no data | 44 | 81 |
| o | Pseudomonas sp. DMC3 | GFF3835 | | Riboflavin biosynthesis protein | no data | 43 | 88 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2657 | | GTP cyclohydrolase II (EC 3.5.4.25) | no data | 43 | 88 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.4734.1 | | 3,4-dihydroxy-2-butanone 4-phosphate synthase (EC 4.1.99.12) / GTP cyclohydrolase II (EC 3.5.4.25) | no data | 40 | 83 |
| o | Pseudomonas stutzeri RCH2 | Psest_3544 | | GTP cyclohydrolase II | no data | 45 | 81 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1321 | | GTP cyclohydrolase II (EC 3.5.4.25) | no data | 44 | 88 |
| | Pseudomonas sp. SVBP6 | COO64_RS15850 | ribA | GTP cyclohydrolase II | no data | 43 | 88 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_4456 | | GTP cyclohydrolase II | no data | 43 | 88 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4456 | | GTP cyclohydrolase II | no data | 43 | 88 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS08645 | | GTP cyclohydrolase II | insig. | 48 | 74 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS03760 | | bifunctional 3,4-dihydroxy-2-butanone-4-phosphate synthase/GTP cyclohydrolase II | no data | 47 | 81 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS24715 | | GTP cyclohydrolase | no data | 47 | 76 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_05415 | | GTP cyclohydrolase II | no data | 46 | 76 |
| o | Pseudomonas sp. BP01 | JOY50_RS20085 | ribA | GTP cyclohydrolase II | no data | 43 | 88 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0039 | | GTP cyclohydrolase II (RefSeq) | no data | 41 | 94 |
| o | Cupriavidus basilensis FW507-4G11 | RR42_RS29255 | | GTP cyclohydrolase | strong | 49 | 80 |
| o | Pseudomonas putida KT2440 | PP_0522 | | GTP cyclohydrolase-2 | no data | 43 | 88 |
| | Paraburkholderia graminis OAS925 | ABIE53_006416 | | GTP cyclohydrolase II | no data | 46 | 76 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS12075 | | bifunctional 3,4-dihydroxy-2-butanone-4-phosphate synthase/GTP cyclohydrolase II | no data | 46 | 81 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_03004 | | 3,4-dihydroxy-2-butanone-4-phosphate synthase | no data | 46 | 81 |
| o | Acinetobacter baumannii LAC-4 | RR41_RS02005 | | GTP cyclohydrolase II | no data | 47 | 80 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2416 | | GTP cyclohydrolase II (NCBI ptt file) | no data | 45 | 81 |