| 57 | 53 | 26 | 9 | SCOP 52540 | P-loop containing nucleoside triphosphate hydrolases |
| 24 | 18 | 14 | 3 | SCOP 50249 | Nucleic acid-binding proteins |
| 18 | 17 | 12 | 5 | SCOP 51735 | NAD(P)-binding Rossmann-fold domains |
| 14 | 14 | 10 | 3 | SCOP 52374 | Nucleotidylyl transferase |
| 13 | 13 | 9 | 2 | SCOP 55681 | Class II aaRS and biotin synthetases |
| 11 | 6 | 3 | 2 | SCOP 53067 | Actin-like ATPase domain |
| 11 | 9 | 9 | 6 | SCOP 54211 | Ribosomal protein S5 domain 2-like |
| 9 | 8 | 4 | 3 | SCOP 56059 | Glutathione synthetase ATP-binding domain-like |
| 9 | 8 | 5 | 2 | SCOP 51905 | FAD/NAD(P)-binding domain |
| 9 | 9 | 2 | 4 | SCOP 53335 | S-adenosyl-L-methionine-dependent methyltransferases |
| 9 | 9 | 1 | 3 | SCOP 53383 | PLP-dependent transferases |
| 8 | 4 | 3 | 2 | SCOP 52518 | Thiamin diphosphate-binding fold (THDP-binding) |
| 8 | 7 | 3 | 2 | SCOP 52440 | PreATP-grasp domain |
| 6 | 6 | 1 | 4 | SCOP 51569 | Aldolase |
| 6 | 6 | 3 | 2 | SCOP 53448 | Nucleotide-diphospho-sugar transferases |
| 6 | 6 | 1 | 4 | SCOP 53098 | Ribonuclease H-like |
| 6 | 5 | 5 | 2 | SCOP 50447 | Translation proteins |
| 6 | 6 | 5 | 1 | SCOP 47323 | Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases |
| 6 | 2 | 2 | 0 | SCOP 53738 | Phosphoglucomutase, first 3 domains |
| 5 | 5 | 1 | 2 | SCOP 52833 | Thioredoxin-like |
| 5 | 5 | 4 | 3 | SCOP 50104 | Translation proteins SH3-like domain |
| 5 | 5 | 5 | 2 | SCOP 52402 | Adenine nucleotide alpha hydrolases-like |
| 5 | 5 | 2 | 1 | SCOP 102114 | Radical SAM enzymes |
| 5 | 4 | 2 | 2 | SCOP 52096 | ClpP/crotonase |
| 5 | 3 | 3 | 1 | SCOP 88659 | Sigma3 and sigma4 domains of RNA polymerase sigma factors |
| 5 | 3 | 3 | 0 | SCOP 56024 | Phospholipase D/nuclease |
| 5 | 5 | 3 | 1 | SCOP 53244 | MurD-like peptide ligases, peptide-binding domain |
| 5 | 5 | 3 | 2 | SCOP 55347 | Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain |
| 5 | 5 | 3 | 2 | SCOP 53623 | MurD-like peptide ligases, catalytic domain |
| 4 | 4 | 4 | 1 | SCOP 52317 | Class I glutamine amidotransferase-like |
| 4 | 4 | 3 | 3 | SCOP 51161 | Trimeric LpxA-like enzymes |
| 4 | 4 | 4 | 2 | SCOP 56235 | N-terminal nucleophile aminohydrolases (Ntn hydrolases) |
| 4 | 4 | 4 | 1 | SCOP 56601 | beta-lactamase/transpeptidase-like |
| 4 | 3 | 3 | 1 | SCOP 51230 | Single hybrid motif |
| 4 | 4 | 2 | 1 | SCOP 48179 | 6-phosphogluconate dehydrogenase C-terminal domain-like |
| 4 | 2 | 2 | 0 | SCOP 50156 | PDZ domain-like |
| 4 | 2 | 2 | 1 | SCOP 54980 | EF-G C-terminal domain-like |
| 4 | 3 | 2 | 1 | SCOP 56042 | PurM C-terminal domain-like |
| 4 | 3 | 2 | 1 | SCOP 55326 | PurM N-terminal domain-like |
| 4 | 3 | 3 | 0 | SCOP 117892 | Band 7/SPFH domain |
| 3 | 3 | 3 | 2 | SCOP 53271 | PRTase-like |
| 3 | 3 | 3 | 2 | SCOP 53927 | Cytidine deaminase-like |
| 3 | 3 | 3 | 2 | SCOP 53697 | SIS domain |
| 3 | 3 | 2 | 1 | SCOP 57716 | Glucocorticoid receptor-like (DNA-binding domain) |
| 3 | 3 | 3 | 3 | SCOP 55120 | Pseudouridine synthase |
| 3 | 3 | 1 | 1 | SCOP 52218 | Flavoproteins |
| 3 | 3 | 1 | 0 | SCOP 103473 | MFS general substrate transporter |
| 3 | 3 | 3 | 1 | SCOP 55174 | Alpha-L RNA-binding motif |
| 3 | 3 | 1 | 1 | SCOP 48557 | L-aspartase-like |
| 3 | 3 | 2 | 0 | SCOP 89360 | HesB-like domain |
| 3 | 3 | 1 | 1 | SCOP 53756 | UDP-Glycosyltransferase/glycogen phosphorylase |
| 3 | 3 | 2 | 1 | SCOP 117143 | Flagellar hook protein flgE |
| 3 | 3 | 1 | 1 | SCOP 64518 | Phase 1 flagellin |
| 3 | 3 | 3 | 2 | SCOP 53187 | Zn-dependent exopeptidases |
| 3 | 3 | 3 | 0 | SCOP 50182 | Sm-like ribonucleoproteins |
| 3 | 3 | 3 | 1 | SCOP 53328 | Formyltransferase |
| 3 | 3 | 3 | 0 | SCOP 54534 | FKBP-like |
| 3 | 3 | 3 | 0 | SCOP 52954 | Class II aaRS ABD-related |
| 3 | 3 | 3 | 0 | SCOP 54631 | CBS-domain pair |
| 3 | 3 | 3 | 1 | SCOP 88946 | Sigma2 domain of RNA polymerase sigma factors |
| 3 | 2 | 2 | 1 | SCOP 54814 | Prokaryotic type KH domain (KH-domain type II) |
| 3 | 3 | 1 | 1 | SCOP 90123 | ABC transporter transmembrane region |
| 3 | 1 | 1 | 0 | SCOP 55979 | DNA clamp |
| 3 | 3 | 1 | 1 | SCOP 51246 | Rudiment single hybrid motif |
| 3 | 3 | 1 | 0 | SCOP 48019 | post-AAA+ oligomerization domain-like |
| 3 | 3 | 2 | 1 | SCOP 52922 | TK C-terminal domain-like |
| 3 | 1 | 1 | 1 | SCOP 55973 | S-adenosylmethionine synthetase |
| 3 | 2 | 2 | 2 | SCOP 63380 | Riboflavin synthase domain-like |
| 3 | 3 | 2 | 1 | SCOP 50677 | ValRS/IleRS/LeuRS editing domain |
| 2 | 2 | 1 | 2 | SCOP 51556 | Metallo-dependent hydrolases |
| 2 | 2 | 1 | 0 | SCOP 161098 | MetI-like |
| 2 | 2 | 1 | 0 | SCOP 57829 | Zn-binding ribosomal proteins |
| 2 | 2 | 1 | 2 | SCOP 51366 | Ribulose-phoshate binding barrel |
| 2 | 2 | 1 | 1 | SCOP 53137 | Translational machinery components |
| 2 | 2 | 2 | 1 | SCOP 55920 | Creatinase/aminopeptidase |
| 2 | 2 | 1 | 0 | SCOP 56300 | Metallo-dependent phosphatases |
| 2 | 2 | 2 | 0 | SCOP 69593 | Glycerol-3-phosphate (1)-acyltransferase |
| 2 | 2 | 2 | 1 | SCOP 53597 | Dihydrofolate reductase-like |
| 2 | 2 | 1 | 2 | SCOP 47240 | Ferritin-like |
| 2 | 2 | 1 | 1 | SCOP 46785 | "Winged helix" DNA-binding domain |
| 2 | 2 | 1 | 1 | SCOP 143800 | L28p-like |
| 2 | 2 | 1 | 1 | SCOP 75620 | Release factor |
| 2 | 2 | 2 | 2 | SCOP 53659 | Isocitrate/Isopropylmalate dehydrogenase-like |
| 2 | 2 | 2 | 2 | SCOP 75217 | alpha/beta knot |
| 2 | 2 | 2 | 2 | SCOP 52980 | Restriction endonuclease-like |
| 2 | 2 | 2 | 0 | SCOP 109998 | Triger factor/SurA peptide-binding domain-like |
| 2 | 2 | 2 | 2 | SCOP 55486 | Metalloproteases ("zincins"), catalytic domain |
| 2 | 2 | 2 | 1 | SCOP 53850 | Periplasmic binding protein-like II |
| 2 | 2 | 2 | 1 | SCOP 53633 | Carbamate kinase-like |
| 2 | 2 | 1 | 2 | SCOP 64484 | beta and beta-prime subunits of DNA dependent RNA-polymerase |
| 2 | 2 | 2 | 0 | SCOP 52821 | Rhodanese/Cell cycle control phosphatase |
| 2 | 2 | 1 | 2 | SCOP 55821 | YrdC/RibB |
| 2 | 2 | 1 | 1 | SCOP 51283 | dUTPase-like |
| 2 | 2 | 1 | 0 | SCOP 48452 | TPR-like |
| 2 | 2 | 2 | 2 | SCOP 51621 | Phosphoenolpyruvate/pyruvate domain |
| 2 | 2 | 1 | 1 | SCOP 56281 | Metallo-hydrolase/oxidoreductase |
| 2 | 2 | 1 | 1 | SCOP 56655 | Carbohydrate phosphatase |
| 2 | 2 | 1 | 1 | SCOP 48576 | Terpenoid synthases |
| 2 | 2 | 2 | 1 | SCOP 51419 | PLP-binding barrel |
| 2 | 2 | 2 | 2 | SCOP 50475 | FMN-binding split barrel |
| 2 | 1 | 1 | 0 | SCOP 54506 | Diaminopimelate epimerase-like |
| 2 | 2 | 1 | 1 | SCOP 81343 | Fumarate reductase respiratory complex transmembrane subunits |
| 2 | 2 | 2 | 1 | SCOP 101960 | Stabilizer of iron transporter SufD |
| 2 | 2 | 1 | 1 | SCOP 55620 | Tetrahydrobiopterin biosynthesis enzymes-like |
| 2 | 2 | 2 | 2 | SCOP 55931 | Glutamine synthetase/guanido kinase |
| 2 | 2 | 2 | 1 | SCOP 51717 | Dihydropteroate synthetase-like |
| 2 | 2 | 2 | 0 | SCOP 46955 | Putative DNA-binding domain |
| 2 | 2 | 2 | 2 | SCOP 55874 | ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase |
| 2 | 2 | 2 | 1 | SCOP 52507 | Homo-oligomeric flavin-containing Cys decarboxylases, HFCD |
| 2 | 2 | 2 | 1 | SCOP 53955 | Lysozyme-like |
| 2 | 2 | 2 | 0 | SCOP 82689 | Mechanosensitive channel protein MscS (YggB), C-terminal domain |
| 2 | 2 | 1 | 1 | SCOP 89392 | Prokaryotic lipoproteins and lipoprotein localization factors |
| 2 | 2 | 2 | 1 | SCOP 103088 | OmpA-like |
| 2 | 2 | 2 | 1 | SCOP 52335 | Methylglyoxal synthase-like |
| 2 | 2 | 1 | 0 | SCOP 101801 | Surface presentation of antigens (SPOA) |
| 2 | 2 | 2 | 0 | SCOP 50486 | FMT C-terminal domain-like |
| 2 | 1 | 1 | 1 | SCOP 53901 | Thiolase-like |
| 2 | 2 | 2 | 1 | SCOP 55186 | ThrRS/AlaRS common domain |
| 2 | 2 | 2 | 1 | SCOP 52777 | CoA-dependent acyltransferases |
| 2 | 2 | 1 | 0 | SCOP 46589 | tRNA-binding arm |
| 2 | 1 | 1 | 0 | SCOP 81273 | H-NS histone-like proteins |
| 2 | 2 | 2 | 1 | SCOP 56719 | Type II DNA topoisomerase |
| 2 | 1 | 1 | 0 | SCOP 53681 | Aspartate/glutamate racemase |
| 2 | 2 | 2 | 1 | SCOP 52210 | Succinyl-CoA synthetase domains |
| 2 | 2 | 2 | 0 | SCOP 116726 | TrkA C-terminal domain-like |
| 2 | 1 | 1 | 1 | SCOP 48029 | FliG |
| 2 | 2 | 2 | 0 | SCOP 47364 | Domain of the SRP/SRP receptor G-proteins |
| 2 | 2 | 1 | 0 | SCOP 63418 | MurE/MurF N-terminal domain |
| 2 | 2 | 1 | 1 | SCOP 51984 | MurCD N-terminal domain |
| 2 | 2 | 2 | 1 | SCOP 54768 | dsRNA-binding domain-like |
| 2 | 1 | 1 | 0 | SCOP 47794 | Rad51 N-terminal domain-like |
| 2 | 2 | 2 | 0 | SCOP 82861 | Mechanosensitive channel protein MscS (YggB), transmembrane region |
| 2 | 1 | 1 | 1 | SCOP 56053 | Ribosomal protein L6 |
| 2 | 2 | 2 | 0 | SCOP 55957 | Phosphoglucomutase, C-terminal domain |
| 2 | 2 | 1 | 0 | SCOP 50615 | N-terminal domain of alpha and beta subunits of F1 ATP synthase |
| 2 | 2 | 2 | 0 | SCOP 81271 | TGS-like |
| 2 | 1 | 1 | 0 | SCOP 49493 | HSP40/DnaJ peptide-binding domain |
| 2 | 1 | 1 | 0 | SCOP 55666 | Ribonuclease PH domain 2-like |
| 2 | 2 | 1 | 1 | SCOP 47917 | C-terminal domain of alpha and beta subunits of F1 ATP synthase |
| 2 | 2 | 2 | 0 | SCOP 56519 | Penicillin binding protein dimerisation domain |
| 1 | 1 | 1 | 1 | SCOP 56731 | DNA primase core |
| 1 | 1 | 1 | 1 | SCOP 53474 | alpha/beta-Hydrolases |
| 1 | 1 | 1 | 0 | SCOP 48013 | NusB-like |
| 1 | 1 | 1 | 1 | SCOP 53167 | Purine and uridine phosphorylases |
| 1 | 1 | 1 | 0 | SCOP 53790 | Tetrapyrrole methylase |
| 1 | 1 | 1 | 0 | SCOP 74982 | Small protein B (SmpB) |
| 1 | 1 | 1 | 1 | SCOP 53613 | Ribokinase-like |
| 1 | 1 | 1 | 1 | SCOP 56808 | Ribosomal protein L1 |
| 1 | 1 | 1 | 1 | SCOP 53178 | Peptidyl-tRNA hydrolase-like |
| 1 | 1 | 1 | 1 | SCOP 47973 | Ribosomal protein S7 |
| 1 | 1 | 1 | 1 | SCOP 46911 | Ribosomal protein S18 |
| 1 | 1 | 1 | 1 | SCOP 52141 | Uracil-DNA glycosylase-like |
| 1 | 1 | 1 | 1 | SCOP 56420 | Peptide deformylase |
| 1 | 1 | 1 | 0 | SCOP 56112 | Protein kinase-like (PK-like) |
| 1 | 1 | 1 | 0 | SCOP 56784 | HAD-like |
| 1 | 1 | 1 | 1 | SCOP 111331 | NAD kinase/diacylglycerol kinase-like |
| 1 | 1 | 1 | 0 | SCOP 54197 | HIT-like |
| 1 | 1 | 1 | 1 | SCOP 82607 | YbaB-like |
| 1 | 1 | 1 | 1 | SCOP 89919 | Ribosome-binding factor A, RbfA |
| 1 | 1 | 1 | 1 | SCOP 54999 | Ribosomal protein S10 |
| 1 | 1 | 1 | 1 | SCOP 52166 | Ribosomal protein L4 |
| 1 | 1 | 1 | 0 | SCOP 54189 | Ribosomal proteins S24e, L23 and L15e |
| 1 | 1 | 1 | 1 | SCOP 54570 | Ribosomal protein S19 |
| 1 | 1 | 1 | 1 | SCOP 54843 | Ribosomal protein L22 |
| 1 | 1 | 1 | 1 | SCOP 54686 | Ribosomal protein L16p/L10e |
| 1 | 1 | 1 | 1 | SCOP 50193 | Ribosomal protein L14 |
| 1 | 1 | 1 | 1 | SCOP 55282 | RL5-like |
| 1 | 1 | 1 | 1 | SCOP 56047 | Ribosomal protein S8 |
| 1 | 1 | 1 | 1 | SCOP 52080 | Ribosomal proteins L15p and L18e |
| 1 | 1 | 1 | 0 | SCOP 103491 | Preprotein translocase SecY subunit |
| 1 | 1 | 1 | 0 | SCOP 57840 | Ribosomal protein L36 |
| 1 | 1 | 1 | 1 | SCOP 46946 | S13-like H2TH domain |
| 1 | 1 | 1 | 1 | SCOP 64263 | Prokaryotic ribosomal protein L17 |
| 1 | 1 | 1 | 1 | SCOP 64182 | DHH phosphoesterases |
| 1 | 1 | 1 | 0 | SCOP 143034 | L35p-like |
| 1 | 1 | 1 | 1 | SCOP 74731 | Ribosomal protein L20 |
| 1 | 1 | 1 | 0 | SCOP 56214 | 4'-phosphopantetheinyl transferase |
| 1 | 1 | 1 | 1 | SCOP 55831 | Thymidylate synthase/dCMP hydroxymethylase |
| 1 | 1 | 1 | 0 | SCOP 141091 | L21p-like |
| 1 | 1 | 1 | 0 | SCOP 110324 | Ribosomal L27 protein-like |
| 1 | 1 | 1 | 1 | SCOP 100950 | NagB/RpiA/CoA transferase-like |
| 1 | 1 | 1 | 1 | SCOP 47336 | ACP-like |
| 1 | 1 | 1 | 1 | SCOP 53748 | Phosphoglycerate kinase |
| 1 | 1 | 1 | 1 | SCOP 82649 | SufE/NifU |
| 1 | 1 | 1 | 1 | SCOP 50324 | Inorganic pyrophosphatase |
| 1 | 1 | 1 | 1 | SCOP 47729 | IHF-like DNA-binding proteins |
| 1 | 1 | 1 | 0 | SCOP 160369 | Ribosomal protein L10-like |
| 1 | 1 | 1 | 0 | SCOP 46992 | Ribosomal protein S20 |
| 1 | 1 | 1 | 1 | SCOP 50129 | GroES-like |
| 1 | 1 | 1 | 1 | SCOP 52943 | ATP synthase (F1-ATPase), gamma subunit |
| 1 | 1 | 1 | 1 | SCOP 81333 | F1F0 ATP synthase subunit C |
| 1 | 1 | 1 | 1 | SCOP 52161 | Ribosomal protein L13 |
| 1 | 1 | 1 | 0 | SCOP 47060 | S15/NS1 RNA-binding domain |
| 1 | 1 | 1 | 1 | SCOP 51351 | Triosephosphate isomerase (TIM) |
| 1 | 1 | 1 | 1 | SCOP 55194 | Ribosome recycling factor, RRF |
| 1 | 1 | 1 | 0 | SCOP 54565 | Ribosomal protein S16 |
| 1 | 1 | 1 | 1 | SCOP 69765 | IpsF-like |
| 1 | 1 | 1 | 1 | SCOP 51730 | FAD-linked oxidoreductase |
| 1 | 1 | 1 | 0 | SCOP 51261 | Duplicated hybrid motif |
| 1 | 1 | 1 | 1 | SCOP 53720 | ALDH-like |
| 1 | 1 | 1 | 1 | SCOP 48150 | DNA-glycosylase |
| 1 | 1 | 1 | 1 | SCOP 50715 | Ribosomal protein L25-like |
| 1 | 1 | 1 | 1 | SCOP 54292 | 2Fe-2S ferredoxin-like |
| 1 | 1 | 1 | 1 | SCOP 51412 | Inosine monophosphate dehydrogenase (IMPDH) |
| 1 | 1 | 1 | 1 | SCOP 52313 | Ribosomal protein S2 |
| 1 | 1 | 1 | 1 | SCOP 64005 | Undecaprenyl diphosphate synthase |
| 1 | 1 | 1 | 1 | SCOP 142695 | RibA-like |
| 1 | 1 | 1 | 1 | SCOP 54637 | Thioesterase/thiol ester dehydrase-isomerase |
| 1 | 1 | 1 | 1 | SCOP 102705 | NIF3 (NGG1p interacting factor 3)-like |
| 1 | 1 | 1 | 1 | SCOP 53254 | Phosphoglycerate mutase-like |
| 1 | 1 | 1 | 1 | SCOP 55205 | EPT/RTPC-like |
| 1 | 1 | 1 | 0 | SCOP 81345 | ABC transporter involved in vitamin B12 uptake, BtuC |
| 1 | 1 | 1 | 0 | SCOP 55229 | Cell division protein MinE topological specificity domain |
| 1 | 1 | 1 | 0 | SCOP 56935 | Porins |
| 1 | 1 | 1 | 1 | SCOP 51395 | FMN-linked oxidoreductases |
| 1 | 1 | 1 | 0 | SCOP 82657 | BolA-like |
| 1 | 1 | 1 | 1 | SCOP 52121 | Lumazine synthase |
| 1 | 1 | 1 | 1 | SCOP 81452 | Cytochrome c oxidase subunit III-like |
| 1 | 1 | 1 | 0 | SCOP 55129 | Ribosomal protein L30p/L7e |
| 1 | 1 | 1 | 0 | SCOP 46561 | Ribosomal protein L29 (L29p) |
| 1 | 1 | 1 | 0 | SCOP 111148 | YggX-like |
| 1 | 1 | 1 | 1 | SCOP 54995 | Ribosomal protein S6 |
| 1 | 1 | 1 | 0 | SCOP 49764 | HSP20-like chaperones |
| 1 | 1 | 1 | 1 | SCOP 56104 | SAICAR synthase-like |
| 1 | 1 | 1 | 0 | SCOP 52949 | Macro domain-like |
| 1 | 1 | 1 | 0 | SCOP 109604 | HD-domain/PDEase-like |
| 1 | 1 | 1 | 0 | SCOP 55315 | L30e-like |
| 1 | 1 | 1 | 1 | SCOP 102886 | Coproporphyrinogen III oxidase |
| 1 | 1 | 1 | 1 | SCOP 51726 | UROD/MetE-like |
| 1 | 1 | 1 | 0 | SCOP 55729 | Acyl-CoA N-acyltransferases (Nat) |
| 1 | 1 | 1 | 1 | SCOP 88723 | PIN domain-like |
| 1 | 1 | 1 | 0 | SCOP 56317 | Carbon-nitrogen hydrolase |
| 1 | 1 | 1 | 1 | SCOP 51306 | LexA/Signal peptidase |
| 1 | 1 | 1 | 1 | SCOP 52972 | ITPase-like |
| 1 | 1 | 1 | 1 | SCOP 54919 | Nucleoside diphosphate kinase, NDK |
| 1 | 1 | 1 | 0 | SCOP 88713 | Glycoside hydrolase/deacetylase |
| 1 | 1 | 1 | 1 | SCOP 55257 | RBP11-like subunits of RNA polymerase |
| 1 | 1 | 1 | 0 | SCOP 55961 | Bet v1-like |
| 1 | 1 | 1 | 1 | SCOP 52151 | FabD/lysophospholipase-like |
| 1 | 1 | 1 | 0 | SCOP 69618 | HemD-like |
| 1 | 1 | 1 | 0 | SCOP 52283 | Formate/glycerate dehydrogenase catalytic domain-like |
| 1 | 1 | 1 | 0 | SCOP 63562 | RPB6/omega subunit-like |
| 1 | 1 | 1 | 1 | SCOP 81442 | Cytochrome c oxidase subunit I-like |
| 1 | 1 | 1 | 1 | SCOP 53800 | Chelatase |
| 1 | 1 | 1 | 1 | SCOP 52172 | CheY-like |
| 1 | 1 | 1 | 1 | SCOP 53795 | PEP carboxykinase-like |
| 1 | 1 | 1 | 1 | SCOP 51998 | PFL-like glycyl radical enzymes |
| 1 | 1 | 1 | 1 | SCOP 50494 | Trypsin-like serine proteases |
| 1 | 1 | 1 | 0 | SCOP 47598 | Ribbon-helix-helix |
| 1 | 1 | 1 | 1 | SCOP 52255 | N5-CAIR mutase (phosphoribosylaminoimidazole carboxylase, PurE) |
| 1 | 1 | 1 | 0 | SCOP 47413 | lambda repressor-like DNA-binding domains |
| 1 | 1 | 1 | 1 | SCOP 142754 | NadA-like |
| 1 | 1 | 1 | 0 | SCOP 57783 | Zinc beta-ribbon |
| 1 | 1 | 1 | 0 | SCOP 82697 | PurS-like |
| 1 | 1 | 1 | 0 | SCOP 117916 | Fe-S cluster assembly (FSCA) domain-like |
| 1 | 1 | 1 | 1 | SCOP 55083 | 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK |
| 1 | 1 | 1 | 1 | SCOP 49503 | Cupredoxins |
| 1 | 1 | 1 | 0 | SCOP 81301 | Nucleotidyltransferase |
| 1 | 1 | 1 | 0 | SCOP 89550 | PHP domain-like |
| 1 | 1 | 1 | 1 | SCOP 64167 | SurE-like |
| 1 | 1 | 1 | 1 | SCOP 63892 | Pyridoxine 5'-phosphate synthase |
| 1 | 1 | 1 | 0 | SCOP 54913 | GlnB-like |
| 1 | 1 | 1 | 1 | SCOP 110399 | ThiG-like |
| 1 | 1 | 1 | 0 | SCOP 46894 | C-terminal effector domain of the bipartite response regulators |
| 1 | 1 | 1 | 0 | SCOP 54736 | ClpS-like |
| 1 | 1 | 1 | 0 | SCOP 50800 | PK beta-barrel domain-like |
| 1 | 1 | 1 | 0 | SCOP 69065 | RNase III domain-like |
| 1 | 1 | 1 | 1 | SCOP 56219 | DNase I-like |
| 1 | 1 | 1 | 1 | SCOP 55200 | Translation initiation factor IF3, C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 158997 | Trm112p-like |
| 1 | 1 | 1 | 0 | SCOP 102829 | Cell division protein ZapA-like |
| 1 | 1 | 1 | 0 | SCOP 51391 | Thiamin phosphate synthase |
| 1 | 1 | 1 | 1 | SCOP 143456 | VC0467-like |
| 1 | 1 | 1 | 1 | SCOP 48173 | Cryptochrome/photolyase FAD-binding domain |
| 1 | 1 | 1 | 0 | SCOP 52425 | Cryptochrome/photolyase, N-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 88697 | PUA domain-like |
| 1 | 1 | 1 | 0 | SCOP 109910 | YgfY-like |
| 1 | 1 | 1 | 0 | SCOP 101307 | YutG-like |
| 1 | 1 | 1 | 0 | SCOP 103481 | Multidrug resistance efflux transporter EmrE |
| 1 | 1 | 1 | 0 | SCOP 55826 | YbaK/ProRS associated domain |
| 1 | 1 | 1 | 1 | SCOP 103025 | Folate-binding domain |
| 1 | 1 | 1 | 0 | SCOP 55021 | ACT-like |
| 1 | 1 | 1 | 1 | SCOP 111384 | OmpH-like |
| 1 | 1 | 1 | 0 | SCOP 101116 | Flagellar export chaperone FliS |
| 1 | 1 | 1 | 1 | SCOP 51604 | Enolase C-terminal domain-like |
| 1 | 1 | 1 | 0 | SCOP 47781 | RuvA domain 2-like |
| 1 | 1 | 1 | 0 | SCOP 74653 | TolA/TonB C-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 56091 | DNA ligase/mRNA capping enzyme, catalytic domain |
| 1 | 1 | 1 | 1 | SCOP 63592 | Flagellar transcriptional activator FlhD |
| 1 | 1 | 1 | 1 | SCOP 160930 | FlhC-like |
| 1 | 1 | 1 | 1 | SCOP 46565 | Chaperone J-domain |
| 1 | 1 | 1 | 1 | SCOP 46548 | alpha-helical ferredoxin |
| 1 | 1 | 1 | 1 | SCOP 52490 | Tubulin nucleotide-binding domain-like |
| 1 | 1 | 1 | 0 | SCOP 141523 | L,D-transpeptidase catalytic domain-like |
| 1 | 1 | 1 | 1 | SCOP 53092 | Creatinase/prolidase N-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 50465 | EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 55424 | FAD/NAD-linked reductases, dimerisation (C-terminal) domain |
| 1 | 1 | 1 | 1 | SCOP 52343 | Ferredoxin reductase-like, C-terminal NADP-linked domain |
| 1 | 1 | 1 | 1 | SCOP 48024 | N-terminal domain of DnaB helicase |
| 1 | 1 | 1 | 0 | SCOP 143865 | CorA soluble domain-like |
| 1 | 1 | 1 | 1 | SCOP 48592 | GroEL equatorial domain-like |
| 1 | 1 | 1 | 1 | SCOP 51690 | Nicotinate/Quinolinate PRTase C-terminal domain-like |
| 1 | 1 | 1 | 1 | SCOP 57938 | DnaJ/Hsp40 cysteine-rich domain |
| 1 | 1 | 1 | 1 | SCOP 56176 | FAD-binding/transporter-associated domain-like |
| 1 | 1 | 1 | 1 | SCOP 68989 | Hemolysin expression modulating protein HHA |
| 1 | 1 | 1 | 0 | SCOP 58042 | Outer membrane lipoprotein |
| 1 | 1 | 1 | 0 | SCOP 82114 | Riboflavin kinase-like |
| 1 | 1 | 1 | 0 | SCOP 46906 | Ribosomal protein L11, C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 69304 | Tricorn protease N-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 141255 | YccV-like |
| 1 | 1 | 1 | 1 | SCOP 102645 | CoaB-like |
| 1 | 1 | 1 | 1 | SCOP 53223 | Aminoacid dehydrogenase-like, N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 56014 | Nitrite and sulphite reductase 4Fe-4S domain-like |
| 1 | 1 | 1 | 0 | SCOP 160544 | EscU C-terminal domain-like |
| 1 | 1 | 1 | 1 | SCOP 54821 | Ribosomal protein S3 C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 81573 | F1F0 ATP synthase subunit B, membrane domain |
| 1 | 1 | 1 | 0 | SCOP 63848 | Cell-division inhibitor MinC, C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 52935 | PK C-terminal domain-like |
| 1 | 1 | 1 | 1 | SCOP 81935 | N-terminal domain of bifunctional PutA protein |
| 1 | 1 | 1 | 1 | SCOP 81336 | F1F0 ATP synthase subunit A |
| 1 | 1 | 1 | 1 | SCOP 47789 | C-terminal domain of RNA polymerase alpha subunit |
| 1 | 1 | 1 | 1 | SCOP 51344 | Epsilon subunit of F1F0-ATP synthase N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 55658 | L9 N-domain-like |
| 1 | 1 | 1 | 1 | SCOP 68923 | PEP carboxykinase N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 82679 | N-utilization substance G protein NusG, N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 55190 | Arginyl-tRNA synthetase (ArgRS), N-terminal 'additional' domain |
| 1 | 1 | 1 | 1 | SCOP 69055 | 1-deoxy-D-xylulose-5-phosphate reductoisomerase, C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 56037 | PheT/TilS domain |
| 1 | 1 | 1 | 0 | SCOP 58014 | Coiled-coil domain of nucleotide exchange factor GrpE |
| 1 | 1 | 1 | 1 | SCOP 81464 | Cytochrome c oxidase subunit II-like, transmembrane region |
| 1 | 1 | 1 | 1 | SCOP 55307 | Tubulin C-terminal domain-like |
| 1 | 1 | 1 | 1 | SCOP 140990 | FtsH protease domain-like |
| 1 | 1 | 1 | 1 | SCOP 53671 | Aspartate/ornithine carbamoyltransferase |
| 1 | 1 | 1 | 1 | SCOP 50621 | Alanine racemase C-terminal domain-like |
| 1 | 1 | 1 | 0 | SCOP 52964 | TolB, N-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 54719 | Fe,Mn superoxide dismutase (SOD), C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 48163 | An anticodon-binding domain of class I aminoacyl-tRNA synthetases |
| 1 | 1 | 1 | 1 | SCOP 143968 | UbiD C-terminal domain-like |
| 1 | 1 | 1 | 1 | SCOP 52021 | Carbamoyl phosphate synthetase, small subunit N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 54791 | Eukaryotic type KH-domain (KH-domain type I) |
| 1 | 1 | 1 | 1 | SCOP 54826 | Enolase N-terminal domain-like |
| 1 | 1 | 1 | 1 | SCOP 52029 | GroEL apical domain-like |
| 1 | 1 | 1 | 0 | SCOP 55060 | GHMP Kinase, C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 46575 | DNA polymerase III theta subunit-like |
| 1 | 1 | 1 | 0 | SCOP 81891 | Poly A polymerase C-terminal region-like |
| 1 | 1 | 1 | 0 | SCOP 68912 | Rho N-terminal domain-like |
| 1 | 1 | 1 | 1 | SCOP 54810 | GMP synthetase C-terminal dimerisation domain |
| 1 | 1 | 1 | 1 | SCOP 56425 | Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain |
| 1 | 1 | 1 | 1 | SCOP 101904 | GyrA/ParC C-terminal domain-like |
| 1 | 1 | 1 | 0 | SCOP 57825 | Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 46977 | Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 48300 | Ribosomal protein L7/12, oligomerisation (N-terminal) domain |
| 1 | 1 | 1 | 1 | SCOP 100920 | Heat shock protein 70kD (HSP70), peptide-binding domain |
| 1 | 1 | 1 | 0 | SCOP 110997 | Sporulation related repeat |
| 1 | 1 | 1 | 0 | SCOP 144083 | Magnesium transport protein CorA, transmembrane region |
| 1 | 1 | 1 | 0 | SCOP 46934 | UBA-like |
| 1 | 1 | 1 | 0 | SCOP 46604 | Epsilon subunit of F1F0-ATP synthase C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 69075 | Glutamyl tRNA-reductase dimerization domain |
| 1 | 1 | 1 | 0 | SCOP 141259 | CarD-like |
| 1 | 1 | 1 | 0 | SCOP 52413 | UDP-glucose/GDP-mannose dehydrogenase C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 54752 | RecA protein, C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 54782 | Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 102735 | Trigger factor ribosome-binding domain |
| 1 | 1 | 1 | 0 | SCOP 55031 | Bacterial exopeptidase dimerisation domain |
| 1 | 1 | 1 | 1 | SCOP 46557 | GreA transcript cleavage protein, N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 54675 | Nicotinate/Quinolinate PRTase N-terminal domain-like |
| 1 | 1 | 1 | 0 | SCOP 69189 | Penicillin-binding protein associated domain |
| 1 | 1 | 1 | 0 | SCOP 47807 | 5' to 3' exonuclease, C-terminal subdomain |
| 1 | 1 | 1 | 1 | SCOP 47446 | Signal peptide-binding domain |
| 1 | 1 | 1 | 0 | SCOP 54991 | Anticodon-binding domain of PheRS |
| 1 | 1 | 1 | 0 | SCOP 55048 | Probable ACP-binding domain of malonyl-CoA ACP transacylase |
| 1 | 1 | 1 | 0 | SCOP 47928 | N-terminal domain of the delta subunit of the F1F0-ATP synthase |
| 1 | 1 | 1 | 1 | SCOP 48108 | Carbamoyl phosphate synthetase, large subunit connection domain |
| 1 | 1 | 1 | 1 | SCOP 82051 | Obg GTP-binding protein N-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 54368 | Glutamine synthetase, N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 55261 | GAD domain-like |
| 1 | 1 | 1 | 1 | SCOP 54713 | Elongation factor Ts (EF-Ts), dimerisation domain |
| 1 | 1 | 1 | 1 | SCOP 110942 | HSP90 C-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 54747 | Ribosomal L11/L12e N-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 46609 | Fe,Mn superoxide dismutase (SOD), N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 69742 | Glutamyl tRNA-reductase catalytic, N-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 48168 | R1 subunit of ribonucleotide reductase, N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 160527 | V-type ATPase subunit E-like |
| 1 | 1 | 1 | 1 | SCOP 81886 | Helical scaffold and wing domains of SecA |
| 1 | 1 | 1 | 1 | SCOP 54849 | GroEL-intermediate domain like |
| 1 | 1 | 1 | 1 | SCOP 56194 | Uridine diphospho-N-Acetylenolpyruvylglucosamine reductase, MurB, C-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 52156 | Initiation factor IF2/eIF5b, domain 3 |
| 1 | 1 | 1 | 0 | SCOP 51064 | Head domain of nucleotide exchange factor GrpE |
| 1 | 1 | 1 | 0 | SCOP 47005 | Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex |
| 1 | 1 | 1 | 0 | SCOP 55653 | Ribosomal protein L9 C-domain |
| 1 | 1 | 1 | 1 | SCOP 75445 | D-ribose-5-phosphate isomerase (RpiA), lid domain |
| 1 | 1 | 1 | 0 | SCOP 101790 | Aminomethyltransferase beta-barrel domain |
| 1 | 1 | 1 | 1 | SCOP 143517 | TRCF domain-like |
| 1 | 1 | 1 | 1 | SCOP 101353 | Putative anticodon-binding domain of alanyl-tRNA synthetase (AlaRS) |
| 1 | 1 | 1 | 1 | SCOP 56553 | Insert subdomain of RNA polymerase alpha subunit |
| 1 | 1 | 1 | 1 | SCOP 117023 | DNA primase DnaG, C-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 54893 | Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 54364 | Translation initiation factor IF3, N-terminal domain |
| 1 | 1 | 1 | 0 | SCOP 69705 | Transcription factor NusA, N-terminal domain |
| 1 | 1 | 1 | 1 | SCOP 81767 | Pre-protein crosslinking domain of SecA |
| 1 | 1 | 1 | 0 | SCOP 81799 | Putative methyltransferase TM0872, insert domain |
| 1 | 1 | 1 | 0 | SCOP 82829 | MesJ substrate recognition domain-like |
| 1 | 1 | 1 | 0 | SCOP 46915 | Polynucleotide phosphorylase/guanosine pentaphosphate synthase (PNPase/GPSI), domain 3 |
| 1 | 1 | 1 | 0 | SCOP 109736 | FGAM synthase PurL, linker domain |
| 1 | 1 | 1 | 0 | SCOP 57770 | Methionyl-tRNA synthetase (MetRS), Zn-domain |
