| 10 | 10 | SCOP 52375 | Class I aminoacyl-tRNA synthetases (RS), catalytic domain |
| 9 | 9 | SCOP 55682 | Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain |
| 6 | 6 | SCOP 50282 | Cold shock DNA-binding domain-like |
| 5 | 3 | SCOP 53068 | Actin/HSP70 |
| 5 | 5 | SCOP 81269 | Extended AAA-ATPase domain |
| 5 | 5 | SCOP 52652 | Nitrogenase iron protein-like |
| 5 | 4 | SCOP 81268 | Tandem AAA-ATPase domain |
| 4 | 4 | SCOP 52592 | G proteins |
| 4 | 4 | SCOP 53417 | GABA-aminotransferase-like |
| 4 | 4 | SCOP 51883 | Aminoacid dehydrogenase-like, C-terminal domain |
| 4 | 4 | SCOP 53624 | MurCDEF |
| 3 | 3 | SCOP 53245 | MurCDEF C-terminal domain |
| 3 | 3 | SCOP 52318 | Class I glutamine amidotransferases (GAT) |
| 3 | 1 | SCOP 55974 | S-adenosylmethionine synthetase |
| 3 | 3 | SCOP 52686 | ABC transporter ATPase domain-like |
| 3 | 3 | SCOP 47324 | Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases |
| 2 | 2 | SCOP 53272 | Phosphoribosyltransferases (PRTases) |
| 2 | 2 | SCOP 88947 | Sigma2 domain of RNA polymerase sigma factors |
| 2 | 2 | SCOP 88760 | TK-like PP module |
| 2 | 2 | SCOP 51570 | Class I aldolase |
| 2 | 2 | SCOP 51800 | Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain |
| 2 | 2 | SCOP 51751 | Tyrosine-dependent oxidoreductases |
| 2 | 2 | SCOP 88735 | TK-like Pyr module |
| 2 | 2 | SCOP 52923 | Transketolase C-terminal domain-like |
| 2 | 2 | SCOP 56732 | DNA primase DnaG catalytic core |
| 2 | 2 | SCOP 75621 | Release factor |
| 2 | 2 | SCOP 52778 | CAT-like |
| 2 | 2 | SCOP 52670 | RecA protein-like (ATPase-domain) |
| 2 | 2 | SCOP 52541 | Nucleotide and nucleoside kinases |
| 2 | 1 | SCOP 53080 | Acetokinase-like |
| 2 | 1 | SCOP 53089 | Glycerol kinase |
| 2 | 2 | SCOP 52441 | BC N-terminal domain-like |
| 2 | 2 | SCOP 53118 | DnaQ-like 3'-5' exonuclease |
| 2 | 2 | SCOP 53138 | Ribosomal protein L18 and S11 |
| 2 | 2 | SCOP 52305 | Type II 3-dehydroquinate dehydratase |
| 2 | 2 | SCOP 52211 | Succinyl-CoA synthetase domains |
| 2 | 2 | SCOP 75459 | Pseudouridine synthase RsuA/RluD |
| 2 | 2 | SCOP 89572 | Biotin dependent carboxylase carboxyltransferase domain |
| 2 | 2 | SCOP 51284 | dUTPase-like |
| 2 | 2 | SCOP 54212 | Translational machinery components |
| 2 | 1 | SCOP 53902 | Thiolase-related |
| 2 | 2 | SCOP 55348 | GAPDH-like |
| 2 | 2 | SCOP 50263 | Single strand DNA-binding domain, SSB |
| 2 | 2 | SCOP 56060 | ATP-binding domain of peptide synthetases |
| 2 | 2 | SCOP 56067 | BC ATP-binding domain-like |
| 2 | 2 | SCOP 51247 | BC C-terminal domain-like |
| 2 | 1 | SCOP 54229 | Ribonuclease PH domain 1-like |
| 2 | 1 | SCOP 63783 | Riboflavin synthase |
| 2 | 2 | SCOP 55209 | Enolpyruvate transferase, EPT |
| 2 | 2 | SCOP 51943 | FAD/NAD-linked reductases, N-terminal and central domains |
| 2 | 1 | SCOP 54507 | Diaminopimelate epimerase |
| 1 | 1 | SCOP 55822 | YrdC-like |
| 1 | 1 | SCOP 57939 | DnaJ/Hsp40 cysteine-rich domain |
| 1 | 1 | SCOP 55832 | Thymidylate synthase/dCMP hydroxymethylase |
| 1 | 1 | SCOP 57752 | Ribosomal protein S14 |
| 1 | 1 | SCOP 55707 | Biotin holoenzyme synthetase |
| 1 | 1 | SCOP 55425 | FAD/NAD-linked reductases, dimerisation (C-terminal) domain |
| 1 | 1 | SCOP 55595 | HPr-like |
| 1 | 1 | SCOP 55201 | Translation initiation factor IF3, C-terminal domain |
| 1 | 1 | SCOP 63976 | Pantothenate synthetase (Pantoate-beta-alanine ligase, PanC) |
| 1 | 1 | SCOP 55258 | RNA polymerase alpha subunit dimerisation domain |
| 1 | 1 | SCOP 55283 | Ribosomal protein L5 |
| 1 | 1 | SCOP 55308 | Tubulin, C-terminal domain |
| 1 | 1 | SCOP 63893 | Pyridoxine 5'-phosphate synthase |
| 1 | 1 | SCOP 69084 | Ketopantoate reductase PanE |
| 1 | 1 | SCOP 55368 | Dihydrodipicolinate reductase-like |
| 1 | 1 | SCOP 55875 | Heat shock protein 90, HSP90, N-terminal domain |
| 1 | 1 | SCOP 56809 | Ribosomal protein L1 |
| 1 | 1 | SCOP 56054 | Ribosomal protein L6 |
| 1 | 1 | SCOP 56323 | ADC synthase |
| 1 | 1 | SCOP 56288 | Glyoxalase II (hydroxyacylglutathione hydrolase) |
| 1 | 1 | SCOP 56251 | Proteasome subunits |
| 1 | 1 | SCOP 56081 | Succinyl-CoA synthetase, beta-chain, N-terminal domain |
| 1 | 1 | SCOP 56096 | Adenylation domain of NAD+-dependent DNA ligase |
| 1 | 1 | SCOP 56236 | Class II glutamine amidotransferases |
| 1 | 1 | SCOP 56195 | Uridine diphospho-N-Acetylenolpyruvylglucosamine reductase, MurB, C-terminal domain |
| 1 | 1 | SCOP 56421 | Peptide deformylase |
| 1 | 1 | SCOP 56048 | Ribosomal protein S8 |
| 1 | 1 | SCOP 56426 | Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain |
| 1 | 1 | SCOP 56797 | Dehydroquinate synthase, DHQS |
| 1 | 1 | SCOP 56753 | D-aminoacid aminotransferase-like PLP-dependent enzymes |
| 1 | 1 | SCOP 55879 | DNA gyrase/MutL, N-terminal domain |
| 1 | 1 | SCOP 55921 | Creatinase/aminopeptidase |
| 1 | 1 | SCOP 55621 | GTP cyclohydrolase I |
| 1 | 1 | SCOP 56720 | Type II DNA topoisomerase |
| 1 | 1 | SCOP 56554 | Insert subdomain of RNA polymerase alpha subunit |
| 1 | 1 | SCOP 56184 | Uridine diphospho-N-Acetylenolpyruvylglucosamine reductase (MurB), N-terminal domain |
| 1 | 1 | SCOP 56220 | DNase I-like |
| 1 | 1 | SCOP 143801 | Ribosomal protein L28 |
| 1 | 1 | SCOP 103132 | Predicted metal-dependent hydrolase |
| 1 | 1 | SCOP 102769 | ATP-dependent protease Lon (La), catalytic domain |
| 1 | 1 | SCOP 102755 | Hsp90 middle domain |
| 1 | 1 | SCOP 102726 | Endonuclease I |
| 1 | 1 | SCOP 102663 | Phosphotransacetylase |
| 1 | 1 | SCOP 102656 | PdxA-like |
| 1 | 1 | SCOP 102646 | CoaB-like |
| 1 | 1 | SCOP 102115 | Biotin synthase |
| 1 | 1 | SCOP 101961 | Stabilizer of iron transporter SufD |
| 1 | 1 | SCOP 101905 | GyrA/ParC C-terminal domain-like |
| 1 | 1 | SCOP 101354 | Putative anticodon-binding domain of alanyl-tRNA synthetase (AlaRS) |
| 1 | 1 | SCOP 100921 | Heat shock protein 70kD (HSP70), peptide-binding domain |
| 1 | 1 | SCOP 109636 | DnaK suppressor protein DksA, alpha-hairpin domain |
| 1 | 1 | SCOP 110902 | FabZ-like |
| 1 | 1 | SCOP 110910 | Monomeric nicotinate phosphoribosyltransferase C-terminal domain |
| 1 | 1 | SCOP 143642 | LplA-like |
| 1 | 1 | SCOP 143457 | VC0467-like |
| 1 | 1 | SCOP 142721 | PyrH-like |
| 1 | 1 | SCOP 142696 | RibA-like |
| 1 | 1 | SCOP 142611 | YhhF-like |
| 1 | 1 | SCOP 141723 | LON domain-like |
| 1 | 1 | SCOP 141368 | UbiD middle domain-like |
| 1 | 1 | SCOP 141245 | Ribosomal protein L19 |
| 1 | 1 | SCOP 140991 | FtsH protease domain-like |
| 1 | 1 | SCOP 118090 | Glutamate-cysteine ligase |
| 1 | 1 | SCOP 117888 | Ribosomal protein L16p |
| 1 | 1 | SCOP 110943 | HSP90 C-terminal domain |
| 1 | 1 | SCOP 89800 | Deoxycytidylate deaminase-like |
| 1 | 1 | SCOP 89743 | N5-glutamine methyltransferase, HemK |
| 1 | 1 | SCOP 75176 | D-ribose-5-phosphate isomerase (RpiA), catalytic domain |
| 1 | 1 | SCOP 74732 | Ribosomal protein L20 |
| 1 | 1 | SCOP 69766 | IpsF-like |
| 1 | 1 | SCOP 69599 | mono-SIS domain |
| 1 | 1 | SCOP 69544 | Hypothetical protein HI0319 (YecO) |
| 1 | 1 | SCOP 103264 | Chorismate synthase, AroC |
| 1 | 1 | SCOP 69056 | 1-deoxy-D-xylulose-5-phosphate reductoisomerase, C-terminal domain |
| 1 | 1 | SCOP 68901 | Cytidylytransferase |
| 1 | 1 | SCOP 64490 | RNA-polymerase beta-prime |
| 1 | 1 | SCOP 64485 | RNA-polymerase beta |
| 1 | 1 | SCOP 64372 | 3,4-dihydroxy-2-butanone 4-phosphate synthase, DHBP synthase, RibB |
| 1 | 1 | SCOP 64264 | Prokaryotic ribosomal protein L17 |
| 1 | 1 | SCOP 75218 | SpoU-like RNA 2'-O ribose methyltransferase |
| 1 | 1 | SCOP 81441 | Cytochrome c oxidase subunit I-like |
| 1 | 1 | SCOP 81451 | Cytochrome c oxidase subunit III-like |
| 1 | 1 | SCOP 89629 | tRNA(m1G37)-methyltransferase TrmD |
| 1 | 1 | SCOP 143969 | UbiD C-terminal domain-like |
| 1 | 1 | SCOP 89503 | Ketopantoate hydroxymethyltransferase PanB |
| 1 | 1 | SCOP 88784 | rRNA adenine dimethylase-like |
| 1 | 1 | SCOP 88665 | Sigma4 domain |
| 1 | 1 | SCOP 82650 | SufE-like |
| 1 | 1 | SCOP 82509 | Biotin biosynthesis protein BioH |
| 1 | 1 | SCOP 82359 | PP-loop ATPase |
| 1 | 1 | SCOP 82267 | TatD Mg-dependent DNase-like |
| 1 | 1 | SCOP 82052 | Obg GTP-binding protein N-terminal domain |
| 1 | 1 | SCOP 81887 | Helical scaffold and wing domains of SecA |
| 1 | 1 | SCOP 81768 | Pre-protein crosslinking domain of SecA |
| 1 | 1 | SCOP 64006 | Undecaprenyl diphosphate synthase |
| 1 | 1 | SCOP 55195 | Ribosome recycling factor, RRF |
| 1 | 1 | SCOP 52167 | Ribosomal protein L4 |
| 1 | 1 | SCOP 51599 | Class I DAHP synthetase |
| 1 | 1 | SCOP 51591 | Class II FBP aldolase |
| 1 | 1 | SCOP 51420 | Alanine racemase-like, N-terminal domain |
| 1 | 1 | SCOP 51413 | Inosine monophosphate dehydrogenase (IMPDH) |
| 1 | 1 | SCOP 51372 | D-ribulose-5-phosphate 3-epimerase |
| 1 | 1 | SCOP 51352 | Triosephosphate isomerase (TIM) |
| 1 | 1 | SCOP 51312 | Type 1 signal peptidase |
| 1 | 1 | SCOP 51171 | GlmU C-terminal domain-like |
| 1 | 1 | SCOP 51165 | Tetrahydrodipicolinate-N-succinlytransferase, THDP-succinlytransferase, DapD |
| 1 | 1 | SCOP 50801 | Pyruvate kinase beta-barrel domain |
| 1 | 1 | SCOP 50719 | Gln-tRNA synthetase (GlnRS), C-terminal (anticodon-binding) domain |
| 1 | 1 | SCOP 51605 | Enolase |
| 1 | 1 | SCOP 51622 | Pyruvate kinase |
| 1 | 1 | SCOP 51718 | Dihydropteroate synthetase |
| 1 | 1 | SCOP 52162 | Ribosomal protein L13 |
| 1 | 1 | SCOP 52152 | FabD-like |
| 1 | 1 | SCOP 52142 | Uracil-DNA glycosylase |
| 1 | 1 | SCOP 52122 | Lumazine synthase |
| 1 | 1 | SCOP 52097 | Clp protease, ClpP subunit |
| 1 | 1 | SCOP 52081 | Ribosomal proteins L15p and L18e |
| 1 | 1 | SCOP 52030 | GroEL-like chaperone, apical domain |
| 1 | 1 | SCOP 52002 | R1 subunit of ribonucleotide reductase, C-terminal domain |
| 1 | 1 | SCOP 51934 | Succinate dehydrogenase/fumarate reductase flavoprotein N-terminal domain |
| 1 | 1 | SCOP 51900 | CoA-binding domain |
| 1 | 1 | SCOP 51868 | 6-phosphogluconate dehydrogenase-like, N-terminal domain |
| 1 | 1 | SCOP 50678 | ValRS/IleRS/LeuRS editing domain |
| 1 | 1 | SCOP 50495 | Prokaryotic proteases |
| 1 | 1 | SCOP 50466 | EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain |
| 1 | 1 | SCOP 48025 | N-terminal domain of DnaB helicase |
| 1 | 1 | SCOP 47974 | Ribosomal protein S7 |
| 1 | 1 | SCOP 47832 | Enzyme I of the PEP:sugar phosphotransferase system HPr-binding (sub)domain |
| 1 | 1 | SCOP 47790 | C-terminal domain of RNA polymerase alpha subunit |
| 1 | 1 | SCOP 47447 | Signal peptide-binding domain |
| 1 | 1 | SCOP 47253 | Ribonucleotide reductase-like |
| 1 | 1 | SCOP 46978 | Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain |
| 1 | 1 | SCOP 46947 | Ribosomal protein S13 |
| 1 | 1 | SCOP 46912 | Ribosomal protein S18 |
| 1 | 1 | SCOP 46566 | Chaperone J-domain |
| 1 | 1 | SCOP 46558 | GreA transcript cleavage protein, N-terminal domain |
| 1 | 1 | SCOP 48151 | Endonuclease III |
| 1 | 1 | SCOP 48154 | Mismatch glycosylase |
| 1 | 1 | SCOP 48169 | R1 subunit of ribonucleotide reductase, N-terminal domain |
| 1 | 1 | SCOP 50461 | Ribosomal protein L3 |
| 1 | 1 | SCOP 50448 | Elongation factors |
| 1 | 1 | SCOP 50325 | Inorganic pyrophosphatase |
| 1 | 1 | SCOP 50250 | Anticodon-binding domain |
| 1 | 1 | SCOP 50194 | Ribosomal protein L14 |
| 1 | 1 | SCOP 50130 | GroES |
| 1 | 1 | SCOP 50114 | C-terminal domain of ribosomal protein L2 |
| 1 | 1 | SCOP 49541 | Periplasmic domain of cytochrome c oxidase subunit II |
| 1 | 1 | SCOP 48593 | GroEL chaperone, ATPase domain |
| 1 | 1 | SCOP 48577 | Isoprenyl diphosphate synthases |
| 1 | 1 | SCOP 48558 | L-aspartase/fumarase |
| 1 | 1 | SCOP 46549 | Fumarate reductase/Succinate dehydogenase iron-sulfur protein, C-terminal domain |
| 1 | 1 | SCOP 52219 | Flavodoxin-related |
| 1 | 1 | SCOP 55178 | Ribosomal protein S4 |
| 1 | 1 | SCOP 54232 | GHMP Kinase, N-terminal domain |
| 1 | 1 | SCOP 54224 | DNA gyrase/MutL, second domain |
| 1 | 1 | SCOP 53914 | Chalcone synthase-like |
| 1 | 1 | SCOP 53851 | Phosphate binding protein-like |
| 1 | 1 | SCOP 53785 | Phosphofructokinase |
| 1 | 1 | SCOP 53760 | Peptidoglycan biosynthesis glycosyltransferase MurG |
| 1 | 1 | SCOP 53749 | Phosphoglycerate kinase |
| 1 | 1 | SCOP 53701 | Phosphoglucose isomerase, PGI |
| 1 | 1 | SCOP 53698 | double-SIS domain |
| 1 | 1 | SCOP 53629 | Folylpolyglutamate synthetase |
| 1 | 1 | SCOP 53598 | Dihydrofolate reductases |
| 1 | 1 | SCOP 54312 | 2Fe-2S ferredoxin domains from multidomain proteins |
| 1 | 1 | SCOP 54571 | Ribosomal protein S19 |
| 1 | 1 | SCOP 54641 | beta-Hydroxydecanol thiol ester dehydrase |
| 1 | 1 | SCOP 55121 | Pseudouridine synthase I TruA |
| 1 | 1 | SCOP 55084 | 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK |
| 1 | 1 | SCOP 55000 | Ribosomal protein S10 |
| 1 | 1 | SCOP 54996 | Ribosomal protein S6 |
| 1 | 1 | SCOP 54981 | EF-G/eEF-2 domains III and V |
| 1 | 1 | SCOP 54844 | Ribosomal protein L22 |
| 1 | 1 | SCOP 54827 | Enolase N-terminal domain-like |
| 1 | 1 | SCOP 54822 | Ribosomal protein S3 C-terminal domain |
| 1 | 1 | SCOP 54815 | Prokaryotic type KH domain (KH-domain type II) |
| 1 | 1 | SCOP 54811 | GMP synthetase C-terminal dimerisation domain |
| 1 | 1 | SCOP 54720 | Fe,Mn superoxide dismutase (SOD), C-terminal domain |
| 1 | 1 | SCOP 53461 | UDP-glucose pyrophosphorylase |
| 1 | 1 | SCOP 53402 | Cystathionine synthase-like |
| 1 | 1 | SCOP 53339 | RNA methyltransferase FtsJ |
| 1 | 1 | SCOP 52936 | Pyruvate kinase, C-terminal domain |
| 1 | 1 | SCOP 52901 | Glutathione peroxidase-like |
| 1 | 1 | SCOP 52729 | PTS IIb component |
| 1 | 1 | SCOP 52584 | Phosphoribulokinase/pantothenate kinase |
| 1 | 1 | SCOP 52566 | Shikimate kinase (AroK) |
| 1 | 1 | SCOP 52508 | Homo-oligomeric flavin-containing Cys decarboxylases, HFCD |
| 1 | 1 | SCOP 52491 | Tubulin, GTPase domain |
| 1 | 1 | SCOP 52457 | Prokaryotic glutathione synthetase, N-terminal domain |
| 1 | 1 | SCOP 52403 | N-type ATP pyrophosphatases |
| 1 | 1 | SCOP 52397 | Adenylyltransferase |
| 1 | 1 | SCOP 52344 | Reductases |
| 1 | 1 | SCOP 52950 | Leucine aminopeptidase (Aminopeptidase A), N-terminal domain |
| 1 | 1 | SCOP 53063 | EIIA-man component-like |
| 1 | 1 | SCOP 53099 | Ribonuclease H |
| 1 | 1 | SCOP 53329 | Formyltransferase |
| 1 | 1 | SCOP 53296 | Phosphoribosylpyrophosphate synthetase-like |
| 1 | 1 | SCOP 53255 | Cofactor-dependent phosphoglycerate mutase |
| 1 | 1 | SCOP 53240 | Malic enzyme N-domain |
| 1 | 1 | SCOP 53235 | Tetrahydrofolate dehydrogenase/cyclohydrolase |
| 1 | 1 | SCOP 53224 | Aminoacid dehydrogenases |
| 1 | 1 | SCOP 53204 | Bacterial dinuclear zinc exopeptidases |
| 1 | 1 | SCOP 53201 | Leucine aminopeptidase, C-terminal domain |
| 1 | 1 | SCOP 53179 | Peptidyl-tRNA hydrolase-like |
| 1 | 1 | SCOP 53168 | Purine and uridine phosphorylases |
| 1 | 1 | SCOP 53134 | RuvC resolvase |
| 1 | 1 | SCOP 52314 | Ribosomal protein S2 |
