| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P0AA53 | Protein QmcA; | qmcA; ybbK; b0489 JW0478; | NP_415022.1;YP_488780.1; | 305 | escherichia-coli |
| P39315 | Quinone oxidoreductase 2; EC 1.6.5.2; | qorB; qor2 ytfG; b4211 JW4169; | NP_418632.1;YP_492353.1; | 286 | escherichia-coli |
| P40719 | Sensor protein QseC; EC 2.7.13.3; | qseC; ygiY; b3026 JW2994; | NP_417498.1;YP_491218.1; | 449 | escherichia-coli |
| P52076 | Transcriptional regulatory protein QseB; | qseB; ygiX; b3025 JW2993; | NP_417497.1;YP_491217.1; | 219 | escherichia-coli |
| P0A7F9 | S-adenosylmethionine:tRNA ribosyltransferase-isomerase; EC 2.4.99.17; Queuosine biosynthesis protein QueA; | queA; b0405 JW0395; | NP_414939.1;YP_488697.1; | 356 | escherichia-coli |
| P77756 | 7-cyano-7-deazaguanine synthase; EC 6.3.4.20; 7-cyano-7-carbaguanine synthase; PreQ(0) synthase; Queuosine biosynthesis protein QueC; | queC; ybaX; b0444 JW0434; | NP_414978.1;YP_488736.1; | 231 | escherichia-coli |
| P65870 | 6-carboxy-5,6,7,8-tetrahydropterin synthase; CPH4 synthase; EC 4.1.2.50; Queuosine biosynthesis protein QueD; | queD; ygcM; b2765 JW2735; | NP_417245.1;YP_490974.1; | 121 | escherichia-coli |
| P64554 | 7-carboxy-7-deazaguanine synthase; CDG synthase; EC 4.3.99.3; Queuosine biosynthesis protein QueE; | queE; ygcF; b2777 JW2748; | NP_417257.1;YP_490985.1; | 223 | escherichia-coli |
| Q46920 | NADPH-dependent 7-cyano-7-deazaguanine reductase; EC 1.7.1.13; 7-cyano-7-carbaguanine reductase; NADPH-dependent nitrile oxidoreductase; PreQ(0) reductase; | queF; yqcD; b2794 JW2765; | NP_417274.1;YP_491002.1; | 282 | escherichia-coli |
| P39288 | Epoxyqueuosine reductase; EC 1.17.99.6; Queuosine biosynthesis protein QueG; | queG; yjeS; b4166 JW4124; | NP_418587.1;YP_492308.1; | 379 | escherichia-coli |
| P15033 | Protein RacC; | racC; b1351 JW1345; | NP_415867.1;YP_489621.1; | 91 | escherichia-coli |
| P76062 | Rac prophage repressor; | racR; ydaR; b1356 JW1351; | NP_415874.1;YP_489627.1; | 158 | escherichia-coli |
| P24554 | DNA repair protein RadA; DNA repair protein Sms; | radA; sms; b4389 JW4352; | NP_418806.1;YP_492519.1; | 460 | escherichia-coli |
| P0AD49 | Ribosome-associated inhibitor A; Protein Y; SpotY; pY; | raiA; yfiA; b2597 JW2578; | NP_417088.1;YP_490820.1; | 113 | escherichia-coli |
| P33229 | Endodeoxyribonuclease RalR; DNase RalR; EC 3.1.-.-; Restriction alleviation and modification enhancement protein; Toxin RalR; | ralR; lar ral ydaB; b1348 JW5208; | NP_415864.1;YP_489618.1; | 64 | escherichia-coli |
| P60240 | RNA polymerase-associated protein RapA; EC 3.6.4.-; ATP-dependent helicase HepA; | rapA; hepA yabA; b0059 JW0058; | NP_414601.1;YP_488365.1; | 968 | escherichia-coli |
| P0A894 | RNase adapter protein RapZ; | rapZ; yhbJ; b3205 JW3172; | NP_417672.1;YP_491390.1; | 284 | escherichia-coli |
| P0AAZ4 | Replication-associated recombination protein A; | rarA; mgsA ycaJ; b0892 JW0875; | NP_415412.1;YP_489164.1; | 447 | escherichia-coli |
| P27844 | Protein RarD; | rarD; b3819 JW5589; | YP_026262.1;YP_491623.1; | 296 | escherichia-coli |
| P0AGL5 | Ribosome association toxin RatA; Toxin RatA; | ratA; pasT yfjG; b2619 JW2600; | NP_417109.1;YP_490841.1; | 158 | escherichia-coli |
