| Flagellar biosynthetic protein | B195_09459 | M5QKL9 | 1 |
| Flagellar biosynthetic protein FliP | fliP PA1446 | Q51468 | 1 |
| Flagellar biosynthetic protein FliQ | fliQ flaQ b1949 JW1933 | P0AC07 | 1 |
| Flagellar hook protein FlgE | flgE fla FV flaK b1076 JW1063 | P75937 | 1 |
| Flagellar hook protein FlgE | flgE B195_07000 | M5QK79 | 1 |
| Flagellar hook protein FlgE | VS_0804 | B7VKM2 | 1 |
| Flagellar hook protein FlgE | flgE SCH_1124 | Q57QI1 | 1 |
| Flagellar hook-associated protein 1 (HAP1) | flgK flaS flaW b1082 JW1069 | P33235 | 1 |
| Flagellar hook-associated protein 1 (HAP1) | flgK BSU35410 | P39810 | 1 |
| Flagellar hook-associated protein 1 (HAP1) | flgK ECs1460 Z1720 | Q8X8K5 | 1 |
| Flagellar hook-associated protein 1 (HAP1) | flgK SCH_1130 | Q57QH5 | 1 |
| Flagellar hook-associated protein 2 (HAP2) (Filament cap protein) (Flagellar cap protein) | fliD flaV flbC b1924 JW1909 | P24216 | 1 |
| Flagellar hook-associated protein 2 (HAP2) (Filament cap protein) (Flagellar cap protein) | fliD flaV flbC Z3014 ECs2663 | P58297 | 1 |
| Flagellar hook-associated protein 2 (HAP2) (Flagellar cap protein) | fliD | Q4ACL1 | 1 |
| Flagellar hook-associated protein 2 (HAP2) (Flagellar cap protein) | VS_0816 | B7VKZ8 | 1 |
| Flagellar hook-associated protein 2 (HAP2) (Flagellar cap protein) | fliD SCH_1964 | Q57N41 | 1 |
| Flagellar hook-associated protein 3 (HAP3) (Hook-filament junction protein) | flgL flaT flaU b1083 JW1070 | P29744 | 1 |
| Flagellar hook-associated protein FlgK | flgK B195_08442 | M5QWW1 | 1 |
| Flagellar hook-associated protein FlgK | VS_0810 | B7VKM8 | 1 |
| Flagellar L-ring protein (Basal body L-ring protein) | flgH fla FVIII flaY b1079 JW5153 | P0A6S0 | 1 |
| Flagellar L-ring protein (Basal body L-ring protein) | flgH fla FVIII flaY STM1180 | P0A1N8 | 1 |
| Flagellar L-ring protein (Basal body L-ring protein) | flgH PP_4384 | Q88ER9 | 1 |
| Flagellar motor protein PomA | VSAK1_08893 | A6D5T1 | 1 |
| Flagellar motor rotation protein | PP_4336 | Q88EW6 | 1 |
| Flagellar motor rotation protein | motB PP_4904 | Q88DC3 | 1 |
| Flagellar motor rotation protein | motA PP_4905 | Q88DC2 | 1 |
| Flagellar motor switch protein FliN | fliN flaN motD b1946 JW1930 | P15070 | 1 |
| Flagellar P-ring protein (Basal body P-ring protein) | flgI PP_4383 | Q88ES0 | 1 |
| Flagellar P-ring protein (Basal body P-ring protein) | flgI HP_0246 | O25028 | 1 |
| Flagellar protein | fliO PP_4356 | Q88EU7 | 1 |
| Flagellar protein | flaG Cj0547 | Q0PAW9 | 1 |
| Flagellar protein FliL | fliL PP_4359 | Q88EU4 | 1 |
| Flagellar protein FliO | fliO PA1445 | Q51467 | 1 |
| Flagellar protein FliO | fliO flaP flbD b1947 JW5316 | P22586 | 1 |
| Flagellar protein FliS | fliS VSAK1_03019 | A6CX96 | 1 |
| Flagellar protein FliS | fliS_1 fliS_2 SAMEA3374989_00084 SAMEA3375004_03967 SAMEA3375059_03280 | A0A161KN25 | 1 |
| Flagellin | flaA | Q6VYQ2 | 1 |
| Flagellin | et 46 | Q3V737 | 1 |
| Flagellin | 0 | Q8GNT8 | 1 |
| Flagellin | B195_08457 | M5QJG9 | 1 |
| Flagellin | VS_0812 | B7VKN0 | 1 |
| Flagellin | VS_0813 | B7VKN1 | 1 |
| Flagellin | VS_0814 | B7VKN2 | 1 |
| Flagellin | VS_2293 | B7VIL0 | 1 |
| Flagellin | DF40_014200 | A0A064BKR9 | 1 |
| Flagellin | fliC ECs2662 | Q7AD06 | 1 |
| Flagellin | fliC hag SAMEA3375004_03963 | D0V7J6 | 1 |
| Flagellin (Fragment) | DF40_021260 | A0A064BM71 | 1 |
| Flagellin (Phase 1-C flagellin) | fliC SCH_1962 | P06176 | 1 |
| Flagellum-specific ATP synthase (EC 3.6.3.14) | fliI Cj0195 | Q0PBU4 | 1 |
| Flavodoxin, putative | PG_1119 | Q7MVE6 | 1 |
| Flavohemoprotein (Flavohemoglobin) (Hemoglobin-like protein) (Nitric oxide dioxygenase) (NO oxygenase) (NOD) (EC 1.14.12.17) | hmp VSAK1_23194 | A6CW45 | 1 |
| FliR/MopE/SpaR family protein | MXAN_2449 | Q1D9K4 | 1 |
| Flp operon protein C | SC1083_1231 | G4A8S9 | 1 |
| Flp operon protein D | SC1083_1234 | G4A8T2 | 1 |
| Flp pilus assembly protein | VS_2443 | B7VJD8 | 1 |
| FMN reductase (EC 1.5.1.-) | fre VSAK1_24169 | A6D6I2 | 1 |
| FocF (FocF protein) (Minor F1652 fimbrial subunit F) | F1652F focF | Q57129 | 1 |
| FocH (FocH protein) (Minor F1652 fimbrial subunit H) | F1652H FocH focH | Q46686 | 1 |
| Foldase protein PrsA (EC 5.2.1.8) | prsA AC1_3059 | B1R5Z4 | 1 |
| Foldase protein PrsA (EC 5.2.1.8) | prsA SAOUHSC_01972 | Q2G2S6 | 1 |
| Formamidopyrimidine-DNA glycosylase (Fapy-DNA glycosylase) (EC 3.2.2.23) (DNA-(apurinic or apyrimidinic site) lyase MutM) (AP lyase MutM) (EC 4.2.99.18) | mutM fpg SPy_0497 M5005_Spy0408 | Q9A131 | 1 |
| Formate acetyltransferase | SC1083_1807 | G4AAD4 | 1 |
| Formate acetyltransferase (EC 2.3.1.54) | pflB HPSD74_0176 | U4SKU4 | 1 |
| Formate acetyltransferase (EC 2.3.1.54) | pflB SAMEA3375161_02358 | A0A1R6H283 | 1 |
| Formate acetyltransferase (EC 2.3.1.54) (Pyruvate formate-lyase) | pflB SAOUHSC_00187 | Q2G1D8 | 1 |
| Formate acetyltransferase 1 | pflB ETAE_2182 | D0Z9P1 | 1 |
| Formate acetyltransferase 1 (EC 2.3.1.54) | pfl YPO1383 | Q0WH32 | 1 |
| Formate C-acetyltransferase (EC 2.3.1.54) | pflB EDWATA_02560 | D4F726 | 1 |
| Formate dehydrogenase (FDH) (EC 1.2.1.2) (NAD-dependent formate dehydrogenase) | FTN_1719 | A0Q8L1 | 1 |
| Formate dehydrogenase, alpha subunit | VSAK1_11500 | A6D832 | 1 |
| Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit (Anaerobic formate dehydrogenase iron-sulfur subunit) (Formate dehydrogenase-N subunit beta) (FDH-N subunit beta) | fdnH b1475 JW1471 | P0AAJ3 | 1 |
| Formate dehydrogenase-O iron-sulfur subunit (Aerobic formate dehydrogenase iron-sulfur subunit) (FDH-Z subunit beta) (Formate dehydrogenase-O subunit beta) | fdoH b3893 JW3864 | P0AAJ5 | 1 |
| Formate hydrogenlyase subunit 4 (FHL subunit 4) (Hydrogenase 3 component D) | hycD hevD b2722 JW2692 | P16430 | 1 |
| Formate--tetrahydrofolate ligase (EC 6.3.4.3) (Formyltetrahydrofolate synthetase) (FHS) (FTHFS) | fhs spr1109 | Q8DPL5 | 1 |
| Formate--tetrahydrofolate ligase (EC 6.3.4.3) (Formyltetrahydrofolate synthetase) (FHS) (FTHFS) | fhs CD630_07180 | Q189R2 | 1 |
| Formate--tetrahydrofolate ligase (EC 6.3.4.3) (Formyltetrahydrofolate synthetase) (FHS) (FTHFS) | fhs SAOUHSC_01845 | Q2G296 | 1 |
| Formate--tetrahydrofolate ligase 1 (EC 6.3.4.3) (Formyltetrahydrofolate synthetase 1) (FHS 1) (FTHFS 1) | fhs1 fhs fhs.1 SPy_1213 M5005_Spy0927 | Q99ZI9 | 1 |
| Formate-dependent nitrite reductase complex subunit NrfF | nrfF yjcM b4075 JW4036 | P32711 | 1 |
| Formate-dependent nitrite reductase complex, Fe-S protein | VSAK1_05590 | A6D5R2 | 1 |
| Formate-dependent nitrite reductase complex, NrfD protein | VSAK1_05585 | A6D5R1 | 1 |
| Formate-dependent phosphoribosylglycinamide formyltransferase (5'-phosphoribosylglycinamide transformylase 2) (Formate-dependent GAR transformylase) (EC 2.1.2.-) (GAR transformylase 2) (GART 2) (Non-folate glycinamide ribonucleotide transformylase) (Phosphoribosylglycinamide formyltransferase 2) | purT FTN_1745 | A0Q8N2 | 1 |
| Formimidoylglutamase (EC 3.5.3.8) (Formiminoglutamase) (Formiminoglutamate hydrolase) | hutG VSAK1_17062 | A6CUX3 | 1 |
| Formimidoylglutamase (EC 3.5.3.8) (Formiminoglutamase) (Formiminoglutamate hydrolase) | hutG SPy_2090 M5005_Spy1778 | Q99XQ9 | 1 |
| Formyltetrahydrofolate deformylase (EC 3.5.1.10) (Formyl-FH(4) hydrolase) | purU FTN_0629 | A0Q5K7 | 1 |
| Formyltetrahydrofolate deformylase (EC 3.5.1.10) (Formyl-FH(4) hydrolase) | purU B195_10116 | M5QXR1 | 1 |
| Formyltetrahydrofolate deformylase (EC 3.5.1.10) (Formyl-FH(4) hydrolase) | purU FSU_0882 | C9RLC9 | 1 |
| Forsilysin | 0 | A0A0F7IRW5 | 1 |
| Fosmidomycin resistance protein | fsr b0479 JW0468 | P52067 | 1 |
| Fructose bisphosphate aldolase Class II | fbaA FTN_1329 | A0Q7I9 | 1 |
| Fructose specific permease, putative | SAOUHSC_00708 | Q2G239 | 1 |
| Fructose-1,6-bisphosphatase | gplX FTN_0298 | A0Q4N9 | 1 |
| Fructose-1,6-bisphosphatase class 1 (FBPase class 1) (EC 3.1.3.11) (D-fructose-1,6-bisphosphate 1-phosphohydrolase class 1) | fbp PA5110 | Q9HU73 | 1 |
| Fructose-1,6-bisphosphatase class 1 (FBPase class 1) (EC 3.1.3.11) (D-fructose-1,6-bisphosphate 1-phosphohydrolase class 1) | fbp VSAK1_01874 | A6D4B4 | 1 |
| Fructose-1,6-bisphosphatase class 3 (FBPase class 3) (EC 3.1.3.11) (D-fructose-1,6-bisphosphate 1-phosphohydrolase class 3) | fbp SAOUHSC_02822 | Q2FVB2 | 1 |
| Fructose-1,6-bisphosphate aldolase (EC 4.1.2.13) | OOM_0925 | I2AYZ4 | 1 |
| Fructose-1,6-bisphosphate aldolase (EC 4.1.2.13) | fbaB FTT_1365c | Q5NF78 | 1 |
| Fructose-16-bisphosphate aldolase class II | LMRG_01691 | A0A0H3GF41 | 1 |
| Fructose-bisphosphate aldolase | fba SCH_3010 | Q57K46 | 1 |
| Fructose-bisphosphate aldolase (EC 4.1.2.13) | Fphi_1359 | B0TY23 | 1 |