| Pyruvate kinase (EC 2.7.1.40) | SC1083_0919 | G4A7X3 | 1 |
| Pyruvate kinase (EC 2.7.1.40) | pykF SFV_1699 | Q0T497 | 1 |
| Pyruvate kinase (EC 2.7.1.40) | pyk HPSD74_2081 | U4SA25 | 1 |
| Pyruvate kinase (EC 2.7.1.40) | pykA SCH_1894 | Q57NB1 | 1 |
| Pyruvate kinase (EC 2.7.1.40) | pyk FTT_1366c | Q5NF77 | 1 |
| Pyruvate kinase (PK) (EC 2.7.1.40) | pyk MW1641 | Q7A0N4 | 1 |
| Pyruvate kinase (PK) (EC 2.7.1.40) | pyk pykA Rv1617 MTCY01B2.09 | P9WKE5 | 1 |
| Pyruvate kinase (PK) (EC 2.7.1.40) | pyk SAOUHSC_01806 | Q2FXM9 | 1 |
| Pyruvate kinase (PK) (EC 2.7.1.40) (Vegetative protein 17) (VEG17) | pyk pykA BSU29180 | P80885 | 1 |
| Pyruvate kinase I (EC 2.7.1.40) (PK-1) | pykF b1676 JW1666 | P0AD61 | 1 |
| Pyruvate kinase II (EC 2.7.1.40) (PK-2) | pykA b1854 JW1843 | P21599 | 1 |
| Pyruvate oxidase, putative (EC 1.2.3.3) | SAOUHSC_02849 | Q2FV86 | 1 |
| Pyruvate, phosphate dikinase (EC 2.7.9.1) | ppdK FTN_0064 | A0Q410 | 1 |
| Pyruvate-flavodoxin oxidoreductase (EC 1.2.7.-) | porA_3 porA_1 SAMEA3374989_00900 SAMEA3375059_00046 | A0A160X9W3 | 1 |
| Pyruvate-flavodoxin oxidoreductase (EC 1.2.7.-) | nifJ FSU_0139 | C9RNZ4 | 1 |
| Pyruvate/proton symporter BtsT (Brenztraubensaure transporter) (Pyruvate/H(+) symporter) | btsT yjiY b4354 JW5791 | P39396 | 1 |
| Quality control serine endoprotease DegS (EC 3.4.21.-) | degS PP_1301 | Q88NB1 | 1 |
| Queuine tRNA-ribosyltransferase (EC 2.4.2.29) (Guanine insertion enzyme) (tRNA-guanine transglycosylase) | tgt spr1869 | P66908 | 1 |
| Queuine tRNA-ribosyltransferase (EC 2.4.2.29) (Guanine insertion enzyme) (tRNA-guanine transglycosylase) | tgt PA3823 | Q9HXH9 | 1 |
| Queuine tRNA-ribosyltransferase (EC 2.4.2.29) (Guanine insertion enzyme) (tRNA-guanine transglycosylase) | tgt SPy_0203 M5005_Spy0175 | Q9A1L6 | 1 |
| Quinate dehydrogenase (Quinone) (EC 1.1.5.8) | quiA PP_3569 | Q88GZ6 | 1 |
| Quinolinate phosphoribosyltransferase (EC 2.4.2.19) | VSAK1_04695 | A6D6A2 | 1 |
| Quinolone resistance protein NorB | norB SAOUHSC_01448 | Q2FYJ5 | 1 |
| Quinone oxidoreductase (EC 1.6.5.5) (NADPH:quinone reductase) | qor PA0023 | P43903 | 1 |
| Quinoprotein ethanol dehydrogenase (EC 1.1.2.8) | qedH-I PP_2674 | Q88JH5 | 1 |
| Quinoprotein glucose dehydrogenase (EC 1.1.5.2) | gcd PP_1444 | Q88MX4 | 1 |
| Quinoprotein glucose dehydrogenase-B (Glucose dehydrogenase-B [pyrroloquinoline-quinone]) (Soluble glucose dehydrogenase) (S-GDH) (EC 1.1.5.2) | gdhB ABAYE1751 | B0V584 | 1 |
| RarD protein | VSAK1_24224 | A6D6J3 | 1 |
| RasGEF domain protein | KW89_768 | A0A0K2DUS4 | 1 |
| RasGEF domain protein | KW89_930 | A0A0K2DVQ8 | 1 |
| RCC1 repeat domain protein | MXAN_0889 | Q1DDX3 | 1 |
| RcpA | rcpA PA4304 | Q9HW96 | 1 |
| RecBCD enzyme subunit RecB (EC 3.1.11.5) (Exonuclease V subunit RecB) (ExoV subunit RecB) (Helicase/nuclease RecBCD subunit RecB) | recB FTN_1357 | A0Q7L7 | 1 |
| RecBCD enzyme subunit RecB (EC 3.1.11.5) (Exonuclease V subunit RecB) (ExoV subunit RecB) (Helicase/nuclease RecBCD subunit RecB) | recB VSAK1_08601 | A6D0A3 | 1 |
| RecBCD enzyme subunit RecC (EC 3.1.11.5) (Exonuclease V subunit RecC) (ExoV subunit RecC) (Helicase/nuclease RecBCD subunit RecC) | recC Fphi_1326 | B0TXZ0 | 1 |
| RecBCD enzyme subunit RecC (EC 3.1.11.5) (Exonuclease V subunit RecC) (ExoV subunit RecC) (Helicase/nuclease RecBCD subunit RecC) | recC FTN_1359 | A0Q7L9 | 1 |
| RecBCD enzyme subunit RecD (EC 3.1.11.5) (Exonuclease V subunit RecD) (ExoV subunit RecD) (Helicase/nuclease RecBCD subunit RecD) | recD VSAK1_08606 | A6D0A4 | 1 |
| Receptor antigen A | ragA PGN_0293 | B2RHG7 | 1 |
| Receptor antigen B | ragB PGN_0294 | B2RHG8 | 1 |
| Recombination protein RecR | recR SPy_1422 M5005_Spy1159 | P65994 | 1 |
| Recombination-associated protein RdgC | rdgC YPO3212 y0974 YP_0723 | Q8ZC18 | 1 |
| Redox-sensing transcriptional repressor Rex | rex SPy_1120 M5005_Spy0842 | P60388 | 1 |
| Regulator of ribonuclease activity B | rraB yjgD b4255 JW4212 | P0AF90 | 1 |
| Regulatory protein | rofA SPy_0124 | Q9A1S4 | 1 |
| Regulatory protein cII | SGF_04596 | E7TIU8 | 1 |
| Regulatory protein MsrR | msrR MW1249 | Q7A0Y4 | 1 |
| Regulatory protein MsrR | msrR SAOUHSC_01361 | Q7BHL7 | 1 |
| Regulatory protein RecX | recX SPy_1607 M5005_Spy1320 | Q99YP2 | 1 |
| Regulatory protein Spx | spxA SPy_1249 M5005_Spy0959 | P60381 | 1 |
| Release factor glutamine methyltransferase (RF MTase) (EC 2.1.1.297) (N5-glutamine methyltransferase PrmC) (Protein-(glutamine-N5) MTase PrmC) (Protein-glutamine N-methyltransferase PrmC) | prmC AC1_2702 | B1R733 | 1 |
| Release factor glutamine methyltransferase (RF MTase) (EC 2.1.1.297) (N5-glutamine methyltransferase PrmC) (Protein-(glutamine-N5) MTase PrmC) (Protein-glutamine N-methyltransferase PrmC) | prmC hemK spr0925 | Q8DPZ3 | 1 |
| Replication initiator A, N-terminal | SPCG_1340 | B2IQG8 | 1 |
| Replicative DNA helicase (EC 3.6.4.12) | dnaB PA4931 | Q9HUN3 | 1 |
| Replicative DNA helicase (EC 3.6.4.12) | VSAK1_09223 | A6D9H8 | 1 |
| Replicative DNA helicase (EC 3.6.4.12) | holB SPy_2182 | Q99XJ1 | 1 |
| Repressor for uid operon | uidR SFV_1634 | Q0T4F9 | 1 |
| Required for phosphorylcholine incorporation in teichoic and lipoteichoic acids | licD1 spr1151 | Q8DPI0 | 1 |
| ResD protein | resD | Q8Y5V7 | 1 |
| Resistance-Nodulation-Cell Division (RND) multidrug efflux membrane fusion protein MexE | mexE PA2493 | Q9I0Y9 | 1 |
| Respiratory NADH dehydrogenase 2 cupric reductase | ndh SCH_1161 | Q57QE4 | 1 |
| Respiratory nitrate reductase 2 beta chain (EC 1.7.5.1) | narY b1467 JW1462 | P19318 | 1 |
| Respiratory nitrate reductase beta chain | narH PA3874 | G3XD87 | 1 |
| Response regulator | rr08 spr0076 | Q8DRK1 | 1 |
| Response regulator | rr03 spr0344 | Q8DR45 | 1 |
| Response regulator | comE spr2041 | Q8DMW5 | 1 |
| Response regulator | rr09 spr0578 | Q8DQN8 | 1 |
| Response regulator | VSAK1_06285 | A6D6Y0 | 1 |
| Response regulator | KW89_2268 | A0A0K2DZ02 | 1 |
| Response regulator (Activator) in two-component regulatory system wtih UhpB, regulates uhpT expression (LuxR/UhpA family) | KPN_00490 | A6T5R9 | 1 |
| Response regulator ErdR | erdR PA3604 | Q9HY22 | 1 |
| Response regulator GacA (Global activator) | gacA PA2586 | Q51373 | 1 |
| Response regulator receiver protein | Fphi_1209 | B0TXH6 | 1 |
| Response regulator/GGDEF domain protein | MXAN_5340 | Q1D1I3 | 1 |
| RetS (Regulator of Exopolysaccharide and Type III Secretion) | retS PA4856 | Q9HUV7 | 1 |
| RgpF, Rhamnan synthesis protein F | OOM_0829 | I2AYR1 | 1 |
| Rhamnosyltransferase chain B | rhlB PA3478 | Q9HYD1 | 1 |
| Rhizopine catabolism protein | SKA58_02105 | Q1NH47 | 1 |
| RhlE | VSAK1_08681 | A6D9K5 | 1 |
| Rhodanese-like domain protein | HPSD74_0770 | U4SIS1 | 1 |
| Rhodanese-like family protein | FTT_1127 | Q5NFU2 | 1 |
| Rhodanese-related sulfurtransferase | FTN_0120 | A0Q466 | 1 |
| Rhomboid family protein | SAOUHSC_01649 | Q2FY24 | 1 |
| Rhs-related protein | PP_3108 | Q88I91 | 1 |
| Riboflavin biosynthesis protein (EC 2.7.1.26) (EC 2.7.7.2) | mreA SPy_1250 | Q99ZF6 | 1 |
| Riboflavin synthase subunit alpha (EC 2.5.1.9) | B195_13366 | M5QZL2 | 1 |
| Ribokinase (RK) (EC 2.7.1.15) | rbsK b3752 JW3731 | P0A9J6 | 1 |
| Ribokinase (RK) (EC 2.7.1.15) | rbsK VSAK1_16162 | A6CYV0 | 1 |
| Ribokinase, PfkB family | Fphi_1482 | B0TYW1 | 1 |
| Ribokinase, pfkB family | FTN_1210 | A0Q776 | 1 |
| Ribonuclease 3 (EC 3.1.26.3) (Ribonuclease III) (RNase III) | rnc spr1127 | Q8DPJ8 | 1 |
| Ribonuclease 3 (EC 3.1.26.3) (Ribonuclease III) (RNase III) | rnc SSON_2691 | Q3YYU9 | 1 |
| Ribonuclease 3 (EC 3.1.26.3) (Ribonuclease III) (RNase III) | rnc acpA SPy_0531 M5005_Spy0438 | P66670 | 1 |
| Ribonuclease E (RNase E) (EC 3.1.26.12) | rne Fphi_1434 | B0TYI3 | 1 |
| Ribonuclease E (RNase E) (EC 3.1.26.12) | rne SC1083_1969 | G4AAU0 | 1 |
| Ribonuclease E (RNase E) (EC 3.1.26.12) | rne KPR_2129 | R4Y882 | 1 |
| Ribonuclease E (RNase E) (EC 3.1.26.12) | rne ams hmp1 b1084 JW1071 | P21513 | 1 |
| Ribonuclease E (RNase E) (EC 3.1.26.12) | rne HPSD74_1168 | U4SGJ2 | 1 |
| Ribonuclease E (RNase E) (EC 3.1.26.12) | rne OOM_1576 | I2B0L0 | 1 |
| Ribonuclease E (RNase E) (EC 3.1.26.12) | rne KU39_1035 | A0A0K2L238 | 1 |
| Ribonuclease E (RNase E) (EC 3.1.26.12) | rne FTT_1227 | Q5NFK7 | 1 |