C2U53_27330 ribonuclease BN
       C2U53_05775 multifunctional CCA addition/repair protein
       C2U53_11575 RNA-splicing ligase RtcB
       C2U53_28310 glutamate--tRNA ligase
       C2U53_03900 proS; proline--tRNA ligase
       C2U53_04785 isoleucine--tRNA ligase
       C2U53_16780 leuS; leucine--tRNA ligase
       C2U53_26550 metG; methionine--tRNA ligase
       C2U53_16920 glutamine--tRNA ligase
       C2U53_24750 arginine--tRNA ligase
       C2U53_14015 lysS; lysine--tRNA ligase
       C2U53_24405 aspS; aspartate--tRNA ligase
       C2U53_03325 alanine--tRNA ligase
       C2U53_19040 asparagine--tRNA ligase
       C2U53_21125 threonine--tRNA ligase
       C2U53_18865 serine--tRNA ligase
       C2U53_16195 cysS; cysteine--tRNA ligase
       C2U53_13175 valine--tRNA ligase
       C2U53_28885 histidine--tRNA ligase
       C2U53_21150 phenylalanine--tRNA ligase subunit alpha
       C2U53_21155 phenylalanine--tRNA ligase subunit beta
       C2U53_21630 tyrosine--tRNA ligase
       C2U53_07525 trpS; tryptophan--tRNA ligase
       C2U53_10610 dtd; D-tyrosyl-tRNA(Tyr) deacylase
       C2U53_20540 histidine triad nucleotide-binding protein
       C2U53_05185 tRNA (guanosine(46)-N7)-methyltransferase TrmB
       C2U53_03895 tsaA; tRNA (N6-threonylcarbamoyladenosine(37)-N6)-methyltransferase TrmO
       C2U53_27555 tRNA pseudouridine(38-40) synthase TruA
       C2U53_06520 tRNA pseudouridine(55) synthase TruB
       C2U53_15045 tRNA pseudouridine(13) synthase TruD
       C2U53_28970 IscS subfamily cysteine desulfurase
       C2U53_07120 L-threonylcarbamoyladenylate synthase type 1 TsaC
       C2U53_12655 tRNA (adenosine(37)-N6)-dimethylallyltransferase MiaA
       C2U53_09705 tRNA uridine-5-carboxymethylaminomethyl(34) synthesis GTPase MnmE
       C2U53_09865 tRNA uridine-5-carboxymethylaminomethyl(34) synthesis enzyme MnmG
       C2U53_20920 selenide, water dikinase SelD
       C2U53_12810 3'(2'),5'-bisphosphate nucleotidase CysQ
       C2U53_09690 ribonuclease P protein component
       C2U53_06285 rnpB; RNase P RNA component class A
       C2U53_21555 ribonuclease T
       C2U53_09070 ribonuclease PH
       C2U53_16620 ribonuclease I
       C2U53_23040 exoribonuclease II
       C2U53_24075 ribonuclease D
       C2U53_04145 RNA 2',3'-cyclic phosphodiesterase
       C2U53_04960 energy-dependent translational throttle protein EttA
       C2U53_08705 glyQ; glycine--tRNA ligase subunit alpha
       C2U53_08700 glycine--tRNA ligase subunit beta
       C2U53_04160 tRNA glutamyl-Q(34) synthetase GluQRS
       C2U53_16060 Cys-tRNA(Pro) deacylase
       C2U53_20830 YbaK/prolyl-tRNA synthetase associated domain-containing protein
       C2U53_29125 tRNA adenosine(34) deaminase TadA
       C2U53_28095 nucleoside deaminase
       C2U53_11810 tRNA dihydrouridine(20/20a) synthase DusA
       C2U53_07005 tRNA dihydrouridine synthase DusB
       C2U53_26650 tRNA dihydrouridine(16) synthase DusC
       C2U53_16835 tRNA (N6-isopentenyl adenosine(37)-C2)-methylthiotransferase MiaB
       C2U53_24730 carboxy-S-adenosyl-L-methionine synthase CmoA
       C2U53_24735 tRNA 5-methoxyuridine(34)/uridine 5-oxyacetic acid(34) synthase CmoB
       C2U53_18990 tRNA uridine 5-oxyacetic acid(34) methyltransferase CmoM
       C2U53_04900 tRNA/rRNA methyltransferase
       C2U53_11170 trmA; tRNA (uridine(54)-C5)-methyltransferase TrmA
       C2U53_29380 trmD; tRNA (guanosine(37)-N1)-methyltransferase TrmD
       C2U53_29240 tRNA/rRNA methyltransferase
       C2U53_09235 tRNA (guanosine(18)-2'-O)-methyltransferase TrmH
       C2U53_28980 tRNA (cytosine(32)/uridine(32)-2'-O)-methyltransferase TrmJ
       C2U53_08890 tRNA (uridine(34)/cytosine(34)/5-carboxymethylaminomethyluridine(34)-2'-O)-methyltransferase TrmL
       C2U53_29220 tRNA(1)(Val) (adenine(37)-N(6))-methyltransferase
       C2U53_14845 tRNA pseudouridine(65) synthase TruC
       C2U53_04590 bifunctional tRNA pseudouridine(32) synthase/23S rRNA pseudouridine(746) synthase RluA
       C2U53_28205 RNA pseudouridine synthase
       C2U53_20710 mnmA; tRNA 2-thiouridine(34) synthase MnmA
       C2U53_22755 tRNA 2-thiocytidine(32) synthetase TtcA
       C2U53_08040 sulfurtransferase TusA
       C2U53_07360 sulfurtransferase complex subunit TusB
       C2U53_07365 sulfurtransferase complex subunit TusC
       C2U53_07370 sulfurtransferase complex subunit TusD
       C2U53_19520 sulfurtransferase TusE
       C2U53_28960 iron-sulfur cluster assembly accessory protein
       C2U53_13975 tRNA-modifying protein YgfZ
       C2U53_13155 miaE; tRNA isopentenyl-2-thiomethyl-A-37 hydroxylase MiaE
       C2U53_27605 bifunctional tRNA (5-methylaminomethyl-2-thiouridine)(34)-methyltransferase MnmD/FAD-dependent 5-carboxymethylaminomethyl-2-thiouridine(34) oxidoreductase MnmC
       C2U53_15610 queA; tRNA preQ1(34) S-adenosylmethionine ribosyltransferase-isomerase QueA
       C2U53_15835 7-cyano-7-deazaguanine synthase QueC
       C2U53_14985 queD; 6-carboxytetrahydropterin synthase QueD
       C2U53_14930 7-carboxy-7-deazaguanine synthase
       C2U53_14830 preQ(1) synthase
       C2U53_12630 queG; tRNA epoxyqueuosine(34) reductase QueG
       C2U53_16165 tRNA 2-selenouridine(34) synthase MnmH
       C2U53_15615 tRNA guanosine(34) transglycosylase Tgt
       C2U53_15705 tRNA 4-thiouridine(8) synthase ThiI
       C2U53_03945 tRNA lysidine(34) synthetase TilS
       C2U53_28710 tRNA cytosine(34) acetyltransferase TmcA
       C2U53_24090 tsaB; tRNA (adenosine(37)-N6)-threonylcarbamoyltransferase complex dimerization subunit type 1 TsaB
       C2U53_06035 tsaD; tRNA (adenosine(37)-N6)-threonylcarbamoyltransferase complex transferase subunit TsaD
       C2U53_12640 tRNA (adenosine(37)-N6)-threonylcarbamoyltransferase complex ATPase subunit type 1 TsaE
       C2U53_14710 tRNA cyclic N6-threonylcarbamoyladenosine(37) synthase TcdA
       C2U53_12695 ribonuclease R
       C2U53_06505 pnp; polyribonucleotide nucleotidyltransferase
       C2U53_01350 PIN domain nuclease
       C2U53_01295 PIN domain-containing protein

K00784 rnz; ribonuclease Z [EC:3.1.26.11]
K00974 cca; tRNA nucleotidyltransferase (CCA-adding enzyme) [EC:2.7.7.72 3.1.3.- 3.1.4.-]
K14415 RTCB; tRNA-splicing ligase RtcB (3'-phosphate/5'-hydroxy nucleic acid ligase) [EC:6.5.1.8]
K01885 EARS; glutamyl-tRNA synthetase [EC:6.1.1.17]
K01881 PARS; prolyl-tRNA synthetase [EC:6.1.1.15]
K01870 IARS; isoleucyl-tRNA synthetase [EC:6.1.1.5]
K01869 LARS; leucyl-tRNA synthetase [EC:6.1.1.4]
K01874 MARS; methionyl-tRNA synthetase [EC:6.1.1.10]
K01886 QARS; glutaminyl-tRNA synthetase [EC:6.1.1.18]
K01887 RARS; arginyl-tRNA synthetase [EC:6.1.1.19]
K04567 KARS; lysyl-tRNA synthetase, class II [EC:6.1.1.6]
K01876 DARS2; aspartyl-tRNA synthetase [EC:6.1.1.12]
K01872 AARS; alanyl-tRNA synthetase [EC:6.1.1.7]
K01893 NARS; asparaginyl-tRNA synthetase [EC:6.1.1.22]
K01868 TARS; threonyl-tRNA synthetase [EC:6.1.1.3]
K01875 SARS; seryl-tRNA synthetase [EC:6.1.1.11]
K01883 CARS; cysteinyl-tRNA synthetase [EC:6.1.1.16]
K01873 VARS; valyl-tRNA synthetase [EC:6.1.1.9]
K01892 HARS; histidyl-tRNA synthetase [EC:6.1.1.21]
K01889 FARSA; phenylalanyl-tRNA synthetase alpha chain [EC:6.1.1.20]
K01890 FARSB; phenylalanyl-tRNA synthetase beta chain [EC:6.1.1.20]
K01866 YARS; tyrosyl-tRNA synthetase [EC:6.1.1.1]
K01867 WARS; tryptophanyl-tRNA synthetase [EC:6.1.1.2]
K07560 dtd; D-aminoacyl-tRNA deacylase [EC:3.1.1.96]
K02503 HINT1_2; histidine triad (HIT) family protein [EC:3.9.1.-]
K03439 trmB; tRNA (guanine-N7-)-methyltransferase [EC:2.1.1.33]
K22900 TRMO; tRNA (adenine37-N6)-methyltransferase [EC:2.1.1.-]
K06173 truA; tRNA pseudouridine38-40 synthase [EC:5.4.99.12]
K03177 truB; tRNA pseudouridine55 synthase [EC:5.4.99.25]
K06176 truD; tRNA pseudouridine13 synthase [EC:5.4.99.27]
K04487 iscS; cysteine desulfurase [EC:2.8.1.7]
K07566 tsaC; L-threonylcarbamoyladenylate synthase [EC:2.7.7.87]
K00791 miaA; tRNA dimethylallyltransferase [EC:2.5.1.75]
K03650 mnmE; tRNA modification GTPase [EC:3.6.-.-]
K03495 gidA; tRNA uridine 5-carboxymethylaminomethyl modification enzyme
K01008 selD; selenide, water dikinase [EC:2.7.9.3]
K01082 cysQ; 3'(2'), 5'-bisphosphate nucleotidase [EC:3.1.3.7]
K03536 rnpA; ribonuclease P protein component [EC:3.1.26.5]
K01978 rnpB; M1 RNA
K03683 rnt; ribonuclease T [EC:3.1.13.-]
K00989 rph; ribonuclease PH [EC:2.7.7.56]
K01169 rna; ribonuclease I (enterobacter ribonuclease) [EC:4.6.1.21]
K01147 rnb; exoribonuclease II [EC:3.1.13.1]
K03684 rnd; ribonuclease D [EC:3.1.13.5]
K01975 thpR; RNA 2',3'-cyclic 3'-phosphodiesterase [EC:3.1.4.58]
K06020 ettA; energy-dependent translational throttle protein EttA
K01878 glyQ; glycyl-tRNA synthetase alpha chain [EC:6.1.1.14]
K01879 glyS; glycyl-tRNA synthetase beta chain [EC:6.1.1.14]
K01894 gluQ; glutamyl-Q tRNA(Asp) synthetase [EC:6.1.1.-]
K03976 ybaK; Cys-tRNA(Pro)/Cys-tRNA(Cys) deacylase [EC:3.1.1.-]
K19055 prdX; Ala-tRNA(Pro) deacylase [EC:3.1.1.-]
K11991 tadA; tRNA(adenine34) deaminase [EC:3.5.4.33]
K11991 tadA; tRNA(adenine34) deaminase [EC:3.5.4.33]
K05539 dusA; tRNA-dihydrouridine synthase A [EC:1.-.-.-]
K05540 dusB; tRNA-dihydrouridine synthase B [EC:1.-.-.-]
K05541 dusC; tRNA-dihydrouridine synthase C [EC:1.-.-.-]
K06168 miaB; tRNA-2-methylthio-N6-dimethylallyladenosine synthase [EC:2.8.4.3]
K15256 cmoA; tRNA (cmo5U34)-methyltransferase [EC:2.1.1.-]
K15257 cmoB; tRNA (mo5U34)-methyltransferase [EC:2.1.1.-]
K06219 smtA; tRNA 5-carboxymethoxyuridine methyltransferase [EC:2.1.1.-]
K02533 lasT; tRNA/rRNA methyltransferase [EC:2.1.1.-]
K00557 trmA; tRNA (uracil-5-)-methyltransferase [EC:2.1.1.35]
K00554 trmD; tRNA (guanine37-N1)-methyltransferase [EC:2.1.1.228]
K03214 yfiF; RNA methyltransferase, TrmH family [EC:2.1.1.-]
K00556 trmH; tRNA (guanosine-2'-O-)-methyltransferase [EC:2.1.1.34]
K15396 trmJ; tRNA (cytidine32/uridine32-2'-O)-methyltransferase [EC:2.1.1.200]
K03216 trmL; tRNA (cytidine/uridine-2'-O-)-methyltransferase [EC:2.1.1.207]
K15460 yfiC; tRNA1Val (adenine37-N6)-methyltransferase [EC:2.1.1.223]
K06175 truC; tRNA pseudouridine65 synthase [EC:5.4.99.26]
K06177 rluA; tRNA pseudouridine32 synthase / 23S rRNA pseudouridine746 synthase [EC:5.4.99.28 5.4.99.29]
K06177 rluA; tRNA pseudouridine32 synthase / 23S rRNA pseudouridine746 synthase [EC:5.4.99.28 5.4.99.29]
K00566 mnmA; tRNA-uridine 2-sulfurtransferase [EC:2.8.1.13]
K14058 ttcA; tRNA 2-thiocytidine biosynthesis protein TtcA
K04085 tusA; tRNA 2-thiouridine synthesizing protein A [EC:2.8.1.-]
K07237 tusB; tRNA 2-thiouridine synthesizing protein B
K07236 tusC; tRNA 2-thiouridine synthesizing protein C
K07235 tusD; tRNA 2-thiouridine synthesizing protein D [EC:2.8.1.-]
K11179 tusE; tRNA 2-thiouridine synthesizing protein E [EC:2.8.1.-]
K13628 iscA; iron-sulfur cluster assembly protein
K06980 ygfZ; tRNA-modifying protein YgfZ
K06169 miaE; tRNA 2-(methylsulfanyl)-N6-isopentenyladenosine37 hydroxylase [EC:1.14.99.69]
K15461 mnmC; tRNA 5-methylaminomethyl-2-thiouridine biosynthesis bifunctional protein [EC:2.1.1.61 1.5.-.-]
K07568 queA; S-adenosylmethionine:tRNA ribosyltransferase-isomerase [EC:2.4.99.17]
K06920 queC; 7-cyano-7-deazaguanine synthase [EC:6.3.4.20]
K01737 queD; 6-pyruvoyltetrahydropterin/6-carboxytetrahydropterin synthase [EC:4.2.3.12 4.1.2.50]
K10026 queE; 7-carboxy-7-deazaguanine synthase [EC:4.3.99.3]
K06879 queF; 7-cyano-7-deazaguanine reductase [EC:1.7.1.13]
K18979 queG; epoxyqueuosine reductase [EC:1.17.99.6]
K06917 selU; tRNA 2-selenouridine synthase [EC:2.9.1.3]
K00773 tgt; queuine tRNA-ribosyltransferase [EC:2.4.2.29]
K03151 thiI; tRNA uracil 4-sulfurtransferase [EC:2.8.1.4]
K04075 tilS; tRNA(Ile)-lysidine synthase [EC:6.3.4.19]
K06957 tmcA; tRNA(Met) cytidine acetyltransferase [EC:2.3.1.193]
K14742 tsaB; tRNA threonylcarbamoyladenosine biosynthesis protein TsaB
K25706 tsaD; tRNA N6-adenosine threonylcarbamoyltransferase [EC:2.3.1.234]
K06925 tsaE; tRNA threonylcarbamoyladenosine biosynthesis protein TsaE
K22132 tcdA; tRNA threonylcarbamoyladenosine dehydratase
K12573 rnr; ribonuclease R [EC:3.1.13.1]
K00962 pnp; polyribonucleotide nucleotidyltransferase [EC:2.7.7.8]
K18828 mvpA; tRNA(fMet)-specific endonuclease VapC [EC:3.1.-.-]
K18828 mvpA; tRNA(fMet)-specific endonuclease VapC [EC:3.1.-.-]