| COG0008 | Glutamyl- and glutaminyl-tRNA synthetases |
| COG0009 | Putative translation factor (SUA5) |
| COG0012 | Predicted GTPase, probable translation factor |
| COG0013 | Alanyl-tRNA synthetase |
| COG0016 | Phenylalanyl-tRNA synthetase alpha subunit |
| COG0017 | Aspartyl/asparaginyl-tRNA synthetases |
| COG0018 | Arginyl-tRNA synthetase |
| COG0023 | Translation initiation factor 1 (eIF-1/SUI1) and related proteins |
| COG0024 | Methionine aminopeptidase |
| COG0030 | Dimethyladenosine transferase (rRNA methylation) |
| COG0042 | tRNA-dihydrouridine synthase |
| COG0048 | Ribosomal protein S12 |
| COG0049 | Ribosomal protein S7 |
| COG0050 | GTPases - translation elongation factors |
| COG0051 | Ribosomal protein S10 |
| COG0052 | Ribosomal protein S2 |
| COG0060 | Isoleucyl-tRNA synthetase |
| COG0064 | Asp-tRNAAsn/Glu-tRNAGln amidotransferase B subunit (PET112 homolog) |
| COG0072 | Phenylalanyl-tRNA synthetase beta subunit |
| COG0080 | Ribosomal protein L11 |
| COG0081 | Ribosomal protein L1 |
| COG0087 | Ribosomal protein L3 |
| COG0088 | Ribosomal protein L4 |
| COG0089 | Ribosomal protein L23 |
| COG0090 | Ribosomal protein L2 |
| COG0091 | Ribosomal protein L22 |
| COG0092 | Ribosomal protein S3 |
| COG0093 | Ribosomal protein L14 |
| COG0094 | Ribosomal protein L5 |
| COG0096 | Ribosomal protein S8 |
| COG0097 | Ribosomal protein L6P/L9E |
| COG0098 | Ribosomal protein S5 |
| COG0099 | Ribosomal protein S13 |
| COG0100 | Ribosomal protein S11 |
| COG0101 | Pseudouridylate synthase |
| COG0102 | Ribosomal protein L13 |
| COG0103 | Ribosomal protein S9 |
| COG0124 | Histidyl-tRNA synthetase |
| COG0130 | Pseudouridine synthase |
| COG0143 | Methionyl-tRNA synthetase |
| COG0144 | tRNA and rRNA cytosine-C5-methylases |
| COG0154 | Asp-tRNAAsn/Glu-tRNAGln amidotransferase A subunit and related amidases |
| COG0162 | Tyrosyl-tRNA synthetase |
| COG0172 | Seryl-tRNA synthetase |
| COG0173 | Aspartyl-tRNA synthetase |
| COG0180 | Tryptophanyl-tRNA synthetase |
| COG0182 | Predicted translation initiation factor 2B subunit, eIF-2B alpha/beta/delta family |
| COG0184 | Ribosomal protein S15P/S13E |
| COG0185 | Ribosomal protein S19 |
| COG0186 | Ribosomal protein S17 |
| COG0189 | Glutathione synthase/Ribosomal protein S6 modification enzyme (glutaminyl transferase) |
| COG0193 | Peptidyl-tRNA hydrolase |
| COG0197 | Ribosomal protein L16/L10E |
| COG0198 | Ribosomal protein L24 |
| COG0199 | Ribosomal protein S14 |
| COG0200 | Ribosomal protein L15 |
| COG0203 | Ribosomal protein L17 |
| COG0211 | Ribosomal protein L27 |
| COG0215 | Cysteinyl-tRNA synthetase |
| COG0216 | Protein chain release factor A |
| COG0219 | Predicted rRNA methylase (SpoU class) |
| COG0222 | Ribosomal protein L7/L12 |
| COG0223 | Methionyl-tRNA formyltransferase |
| COG0227 | Ribosomal protein L28 |
| COG0228 | Ribosomal protein S16 |
| COG0230 | Ribosomal protein L34 |
| COG0231 | Translation elongation factor P (EF-P)/translation initiation factor 5A (eIF-5A) |
| COG0233 | Ribosome recycling factor |
| COG0238 | Ribosomal protein S18 |
| COG0242 | N-formylmethionyl-tRNA deformylase |
| COG0244 | Ribosomal protein L10 |
| COG0251 | Putative translation initiation inhibitor, yjgF family |
| COG0252 | L-asparaginase/archaeal Glu-tRNAGln amidotransferase subunit D |
| COG0254 | Ribosomal protein L31 |
| COG0255 | Ribosomal protein L29 |
| COG0256 | Ribosomal protein L18 |
| COG0257 | Ribosomal protein L36 |
| COG0261 | Ribosomal protein L21 |
| COG0264 | Translation elongation factor Ts |
| COG0267 | Ribosomal protein L33 |
| COG0268 | Ribosomal protein S20 |
| COG0290 | Translation initiation factor 3 (IF-3) |
| COG0291 | Ribosomal protein L35 |
| COG0292 | Ribosomal protein L20 |
| COG0293 | 23S rRNA methylase |
| COG0324 | tRNA delta(2)-isopentenylpyrophosphate transferase |
| COG0333 | Ribosomal protein L32 |
| COG0335 | Ribosomal protein L19 |
| COG0336 | tRNA-(guanine-N1)-methyltransferase |
| COG0343 | Queuine/archaeosine tRNA-ribosyltransferase |
| COG0349 | Ribonuclease D |
| COG0359 | Ribosomal protein L9 |
| COG0360 | Ribosomal protein S6 |
| COG0361 | Translation initiation factor 1 (IF-1) |
| COG0423 | Glycyl-tRNA synthetase (class II) |
| COG0441 | Threonyl-tRNA synthetase |
| COG0442 | Prolyl-tRNA synthetase |
| COG0480 | Translation elongation factors (GTPases) |
| COG0482 | Predicted tRNA(5-methylaminomethyl-2-thiouridylate) methyltransferase, contains the PP-loop ATPase domain |
| COG0495 | Leucyl-tRNA synthetase |
| COG0513 | Superfamily II DNA and RNA helicases |
| COG0522 | Ribosomal protein S4 and related proteins |
| COG0525 | Valyl-tRNA synthetase |
| COG0532 | Translation initiation factor 2 (IF-2; GTPase) |
| COG0539 | Ribosomal protein S1 |
| COG0564 | Pseudouridylate synthases, 23S RNA-specific |
| COG0565 | rRNA methylase |
| COG0566 | rRNA methylases |
| COG0590 | Cytosine/adenosine deaminases |
| COG0594 | RNase P protein component |
| COG0617 | tRNA nucleotidyltransferase/poly(A) polymerase |
| COG0621 | 2-methylthioadenine synthetase |
| COG0689 | RNase PH |
| COG0721 | Asp-tRNAAsn/Glu-tRNAGln amidotransferase C subunit |
| COG0751 | Glycyl-tRNA synthetase, beta subunit |
| COG0752 | Glycyl-tRNA synthetase, alpha subunit |
| COG0806 | RimM protein, required for 16S rRNA processing |
| COG0809 | S-adenosylmethionine:tRNA-ribosyltransferase-isomerase (queuine synthetase) |
| COG0828 | Ribosomal protein S21 |
| COG0858 | Ribosome-binding factor A |
| COG1093 | Translation initiation factor 2, alpha subunit (eIF-2alpha) |
| COG1096 | Predicted RNA-binding protein (consists of S1 domain and a Zn-ribbon domain) |
| COG1097 | RNA-binding protein Rrp4 and related proteins (contain S1 domain and KH domain) |
| COG1098 | Predicted RNA binding protein (contains ribosomal protein S1 domain) |
| COG1184 | Translation initiation factor 2B subunit, eIF-2B alpha/beta/delta family |
| COG1185 | Polyribonucleotide nucleotidyltransferase (polynucleotide phosphorylase) |
| COG1186 | Protein chain release factor B |
| COG1187 | 16S rRNA uridine-516 pseudouridylate synthase and related pseudouridylate synthases |
| COG1188 | Ribosome-associated heat shock protein implicated in the recycling of the 50S subunit (S4 paralog) |
| COG1189 | Predicted rRNA methylase |
| COG1190 | Lysyl-tRNA synthetase (class II) |
| COG1206 | NAD(FAD)-utilizing enzyme possibly involved in translation |
| COG1208 | Nucleoside-diphosphate-sugar pyrophosphorylase involved in lipopolysaccharide biosynthesis/translation initiation factor 2B, gamma/epsilon subunits (eIF-2Bgamma/eIF-2Bepsilon) |
| COG1236 | Predicted exonuclease of the beta-lactamase fold involved in RNA processing |
| COG1258 | Predicted pseudouridylate synthase |
| COG1325 | Predicted exosome subunit |
| COG1358 | Ribosomal protein HS6-type (S12/L30/L7a) |
| COG1369 | RNase P/RNase MRP subunit POP5 |
| COG1374 | Protein involved in ribosomal biogenesis, contains PUA domain |
| COG1383 | Ribosomal protein S17E |
| COG1384 | Lysyl-tRNA synthetase (class I) |
| COG1431 | Uncharacterized protein containing piwi/argonaute domain |
| COG1471 | Ribosomal protein S4E |
| COG1490 | D-Tyr-tRNAtyr deacylase |
| COG1491 | Predicted RNA-binding protein |
| COG1498 | Protein implicated in ribosomal biogenesis, Nop56p homolog |
| COG1499 | NMD protein affecting ribosome stability and mRNA decay |
| COG1500 | Predicted exosome subunit |
| COG1503 | Peptide chain release factor 1 (eRF1) |
| COG1514 | 2'-5' RNA ligase |
| COG1530 | Ribonucleases G and E |
| COG1534 | Predicted RNA-binding protein containing KH domain, possibly ribosomal protein |
| COG1544 | Ribosome-associated protein Y (PSrp-1) |
| COG1549 | Queuine tRNA-ribosyltransferases, contain PUA domain |
| COG1552 | Ribosomal protein L40E |
| COG1588 | RNase P/RNase MRP subunit p29 |
| COG1601 | Translation initiation factor 2, beta subunit (eIF-2beta)/eIF-5 N-terminal domain |
| COG1603 | RNase P/RNase MRP subunit p30 |
| COG1631 | Ribosomal protein L44E |
| COG1632 | Ribosomal protein L15E |
| COG1670 | Acetyltransferases, including N-acetylases of ribosomal proteins |
| COG1676 | tRNA splicing endonuclease |
| COG1717 | Ribosomal protein L32E |
| COG1727 | Ribosomal protein L18E |
| COG1736 | Diphthamide synthase subunit DPH2 |
| COG1746 | tRNA nucleotidyltransferase (CCA-adding enzyme) |
| COG1798 | Diphthamide biosynthesis methyltransferase |
| COG1825 | Ribosomal protein L25 (general stress protein Ctc) |
| COG1841 | Ribosomal protein L30/L7E |
| COG1859 | RNA:NAD 2'-phosphotransferase |
| COG1867 | N2,N2-dimethylguanosine tRNA methyltransferase |
| COG1889 | Fibrillarin-like rRNA methylase |
| COG1890 | Ribosomal protein S3AE |
| COG1911 | Ribosomal protein L30E |
| COG1976 | Translation initiation factor 6 (eIF-6) |
| COG1997 | Ribosomal protein L37AE/L43A |
| COG1998 | Ribosomal protein S27AE |
| COG2004 | Ribosomal protein S24E |
| COG2007 | Ribosomal protein S8E |
| COG2016 | Predicted RNA-binding protein (contains PUA domain) |
| COG2023 | RNase P subunit RPR2 |
| COG2024 | Phenylalanyl-tRNA synthetase alpha subunit (archaeal type) |
| COG2026 | Cytotoxic translational repressor of toxin-antitoxin stability system |
| COG2051 | Ribosomal protein S27E |
| COG2053 | Ribosomal protein S28E/S33 |
| COG2058 | Ribosomal protein L12E/L44/L45/RPP1/RPP2 |
| COG2075 | Ribosomal protein L24E |
| COG2092 | Translation elongation factor EF-1beta |
| COG2097 | Ribosomal protein L31E |
| COG2117 | Predicted subunit of tRNA(5-methylaminomethyl-2-thiouridylate) methyltransferase, contains the PP-loop ATPase domain |
| COG2123 | RNase PH-related exoribonuclease |
| COG2125 | Ribosomal protein S6E (S10) |
| COG2126 | Ribosomal protein L37E |
| COG2136 | Predicted exosome subunit/U3 small nucleolar ribonucleoprotein (snoRNP) component, contains IMP4 domain |
| COG2139 | Ribosomal protein L21E |
| COG2147 | Ribosomal protein L19E |
| COG2157 | Ribosomal protein L20A (L18A) |
| COG2163 | Ribosomal protein L14E/L6E/L27E |
| COG2167 | Ribosomal protein L39E |
| COG2174 | Ribosomal protein L34E |
| COG2178 | Predicted RNA-binding protein of the translin family |
| COG2238 | Ribosomal protein S19E (S16A) |
| COG2260 | Predicted Zn-ribbon RNA-binding protein |
| COG2263 | Predicted RNA methylase |
| COG2264 | Ribosomal protein L11 methylase |
| COG2265 | SAM-dependent methyltransferases related to tRNA (uracil-5-)-methyltransferase |
| COG2269 | Truncated, possibly inactive, lysyl-tRNA synthetase (class II) |
| COG2451 | Ribosomal protein L35AE/L33A |
| COG2511 | Archaeal Glu-tRNAGln amidotransferase subunit E (contains GAD domain) |
| COG2519 | tRNA(1-methyladenosine) methyltransferase and related methyltransferases |
| COG2813 | 16S RNA G1207 methylase RsmC |
| COG2868 | Predicted ribosomal protein |
| COG2888 | Predicted Zn-ribbon RNA-binding protein with a function in translation |
| COG2890 | Methylase of polypeptide chain release factors |
| COG2913 | Small protein A (tmRNA-binding) |
| COG3130 | Ribosome modulation factor |
| COG3231 | Aminoglycoside phosphotransferase |
| COG3276 | Selenocysteine-specific translation elongation factor |
| COG3277 | RNA-binding protein involved in rRNA processing |
| COG3557 | Uncharacterized domain/protein associated with RNAses G and E |
| COG3719 | Ribonuclease I |
| COG4108 | Peptide chain release factor RF-3 |
| COG4352 | Ribosomal protein L13E |
| COG4445 | Hydroxylase for synthesis of 2-methylthio-cis-ribozeatin in tRNA |
| COG4830 | Ribosomal protein S26 |
| COG4901 | Ribosomal protein S25 |
| COG4919 | Ribosomal protein S30 |
| COG4937 | Predicted regulatory domain of prephenate dehydrogenase |
| COG5045 | Ribosomal protein S10E |
| COG5051 | Ribosomal protein L36E |
| COG5053 | Translation initiation factor 4E (eIF-4E) |
| COG5099 | RNA-binding protein of the Puf family, translational repressor |
| COG5117 | Protein involved in the nuclear export of pre-ribosomes |
| COG5154 | RNA-binding protein required for 60S ribosomal subunit biogenesis |
| COG5163 | Protein required for biogenesis of the 60S ribosomal subunit |
| COG5192 | GTP-binding protein required for 40S ribosome biogenesis |
| COG5193 | La protein, small RNA-binding pol III transcript stabilizing protein and related La-motif-containing proteins involved in translation |
| COG5225 | Uncharacterized protein involved in ribosome biogenesis |
| COG5256 | Translation elongation factor EF-1alpha (GTPase) |
| COG5257 | Translation initiation factor 2, gamma subunit (eIF-2gamma; GTPase) |
| COG5269 | Ribosome-associated chaperone zuotin |
| COG5270 | PUA domain (predicted RNA-binding domain) |
| COG5384 | U3 small nucleolar ribonucleoprotein component |
| COG5459 | Predicted rRNA methylase |
| COG5593 | Nucleic-acid-binding protein possibly involved in ribosomal biogenesis |
