| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| d.153.1 | N-terminal nucleophile aminohydrolases (Ntn hydrolases) N-terminal residue provides two catalytic groups, nucleophile and proton donor ! | Ntn hydrolase-like 4 layers: alpha/beta/beta/alpha; has an unusual sheet-to-sheet packing |
| d.153.2 | Archaeal IMP cyclohydrolase PurO has a putative active site in the same topological location as the Ntn hydrolase but lacks the N-terminal nucleophile ! | Ntn hydrolase-like 4 layers: alpha/beta/beta/alpha; has an unusual sheet-to-sheet packing |
| e.51.1 | Urocanase | Urocanase 3 domains; d1: alpha+beta [alpha(2)-beta(3); mixed sheet: 213]; d2: alpha/beta of the NAD(P)-binding Rossmann-fold superfamily (scop_sf 51735, most similar to scop_fa 51883 and scop_fa 51736); d3: alpha+beta of the glutamine synthetase/guanido kinase fold (scop_cf 55930); d1 and d3 form a single beta-sheet |
| e.7.1 | Carbohydrate phosphatase | Carbohydrate phosphatase N-terminal domain is an alpha+beta, C-terminal domain is an alpha/beta with mixed beta-sheet |
| d.96.2 | ApbE-like duplication: contains two differently decorated beta(2)-alpha(2)-beta(2) subdomains, similar to other T-fold domains; probably does not form the tunnel-shaped oligomers ! | T-fold beta(2)-alpha(2)-beta(2); 2 layers: alpha/beta; antiparallel sheet 1234 ! tunnel-shaped: its known members form wide oligomeric barrels different sizes |
| d.178.1 | Aromatic aminoacid monoxygenases, catalytic and oligomerization domains | Aromatic aminoacid monoxygenases, catalytic and oligomerization domains unusual fold |
| d.53.1 | Ribosomal protein S3 C-terminal domain | Ribosomal protein S3 C-terminal domain alpha(2)-beta(4); 2 layers: alpha/beta; antiparallel beta-sheet: order 2143 |
| d.39.1 | DLC | DLC core: beta-alpha(2)-beta-X-beta(2); 2 layers: alpha/beta; antiparallel beta-sheet: order 1342 |
| d.58.58 | TTP0101/SSO1404-like contains extra C-terminal beta-strand that integrates into the beta-sheet of the other subunit in the homodimer, a probable biological unit of this superfamily ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.215.1 | Smc hinge domain | Smc hinge domain consists of 2 different alpha+beta subdomains; forms subdomain-swapped dimers |
| e.50.1 | AF1104-like | AF1104-like 2 domains; d1: [all-alpha; 3-helical bundle, similar to the immunoglobulin/albumin-binding domain-like fold (scop_cf 46996)]; d2: [alpha/beta; 3 layers, a/b/a; 6-stranded mixed beta-sheet, order: 321456, strand 6 is antiparallel to the rest] |
| d.250.1 | Folate-binding domain some topological similarity to Formylmethanofuran:tetrahydromethanopterin formyltransferase ! | Folate-binding domain duplication: consists of two beta(2)-alpha-beta(3)-alpha subdomains swapped with the first strands |
| d.275.1 | Hut operon positive regulatory protein HutP | Hut operon positive regulatory protein HutP alpha(2)-beta-alpha(2)-beta(3); 3 layers: a/b/a; antiparallel beta-sheet: order 1234 |
| d.45.1 | ClpS-like | ClpS-like beta-alpha(2)-beta-alpha-beta; 2 layers, alpha/beta |
| d.89.1 | Origin of replication-binding domain, RBD-like | Origin of replication-binding domain, RBD-like alpha-beta-alpha-beta(2)-alpha-beta-alpha-beta; 3 layers: a/b/a; antiparallel sheet 41325 |
| d.110.6 | Sensory domain-like alpha(2)-beta(2)-alpha(2)-beta(3); possibly related to the PAS domain ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| c.52.1 | Restriction endonuclease-like | Restriction endonuclease-like core: 3 layers, a/b/a; mixed beta-sheet of 5 strands, order 12345; strands 2 &, in some families, 5 are antiparallel to the rest |
| e.1.1 | Serpins | Serpins contains a cluster of helices and a beta-sandwich |
| d.52.3 | Prokaryotic type KH domain (KH-domain type II) Prokaryotic and eukaryotic domains share a KH-motif but have different topologies ! | Alpha-lytic protease prodomain-like core: alpha-beta(2)-(alpha)-beta; 2 layers: alpha/beta |
| d.58.26 | GHMP Kinase, C-terminal domain common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.218.1 | Nucleotidyltransferase | Nucleotidyltransferase core: alpha-beta-turn-beta-X-beta-(alpha); mixed beta-sheet, order of core strands: 123 |
| b.116.1 | Viral chemokine binding protein m3 | Viral chemokine binding protein m3 consists of two different beta-sandwich domains of partial topological similarity to immunoglobulin-like folds |
| d.147.1 | Methenyltetrahydromethanopterin cyclohydrolase | Methenyltetrahydromethanopterin cyclohydrolase consists of two alpha+beta subdomains |
| e.3.1 | beta-lactamase/transpeptidase-like | beta-lactamase/transpeptidase-like contains a cluster of helices and an alpha+beta sandwich |
| c.1.19 | Cobalamin (vitamin B12)-dependent enzymes | TIM beta/alpha-barrel contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 ! the first seven superfamilies have similar phosphate-binding sites |
| d.81.1 | Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain N-terminal domain is the classic Rossmann-fold ! | FwdE/GAPDH domain-like core: alpha-beta-alpha-beta(3); mixed sheet: 2134, strand 2 is parallel to strand 1 |
| d.58.30 | 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| e.69.1 | Poly(A) polymerase catalytic subunit-like Central domain d2 is distantly related to the nucleotidyltransferase superfamily (scop_sf 81301) | Poly(A) polymerase catalytic subunit-like 3 domains; d1: all-alpha, contains HhH motif; d2: alpha+beta of nucleotidyltransferase fold (scop_cf 81302); d3: [alpha+beta; beta(3)-alpha-beta(3)-alpha(2); 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 123654, strands 2 and 5 are antiparallel to the rest |
| d.382.1 | PSTPO5379-like | PSTPO5379-like complex fold; consists of two alpha+beta subdomains, one is inserted in the other |
| d.64.2 | TM1457-like forms a homodimer via alpha-helical interface ! | eIF1-like beta(2)-alpha-beta(2)-alpha-beta; 2 layers: alpha/beta; mixed beta-sheet: order 51243 |
| d.17.4 | NTF2-like has a beta-alpha(2)-beta insertion after the main helix ! | Cystatin-like Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet |
| d.98.1 | beta-lactamase-inhibitor protein, BLIP | BLIP-like alpha(2)-beta(4); 2 layers: alpha/beta |
| d.96.1 | Tetrahydrobiopterin biosynthesis enzymes-like bind purine or pterin in topologically similar sites between subunits ! | T-fold beta(2)-alpha(2)-beta(2); 2 layers: alpha/beta; antiparallel sheet 1234 ! tunnel-shaped: its known members form wide oligomeric barrels different sizes |
| d.8.1 | Urease, gamma-subunit | Urease, gamma-subunit alpha(3)-beta(2); antiparallel hairpin |
| d.127.1 | Creatinase/aminopeptidase | Creatinase/aminopeptidase duplication: composed of two very similar alpha+beta folds |
| d.43.1 | Elongation factor Ts (EF-Ts), dimerisation domain comprises two structural repeats of this fold ! | EF-Ts domain-like beta(2)-alpha(n)-beta; 2 layers a/b; antiparallel sheet: 123 |
| d.58.14 | Ribosomal protein S6 | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.56 | CcmK-like contains extra C-terminal helix; forms compact hexameric 'tiles' of hexagonal shape ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.40 | D-ribose-5-phosphate isomerase (RpiA), lid domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| a.234.1 | Hypothetical protein MPN330 | Hypothetical protein MPN330 multihelical; consists of three different 4-helical bundles |
| d.219.1 | PP2C-like contain binuclear metal (Mn) centre ! | PP2C-like 4 layers: alpha/beta/beta/alpha; antiparallel beta sheets |
| d.122.1 | ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase | ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase 8-stranded mixed beta-sheet; 2 layers: alpha/beta |
| d.58.11 | EF-G C-terminal domain-like | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.276.1 | Hypothetical protein yfbM | Hypothetical protein yfbM beta-alpha(2)-beta-alpha(2)-beta(2)-alpha(n)-beta; 3 layers: a/b/a; antiparallel beta-sheet, order: 21543 |
| d.58.15 | Ribosomal protein S10 | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| c.109.1 | PEP carboxykinase N-terminal domain | PEP carboxykinase N-terminal domain contains mixed beta-sheets; topology is partly similar to that of the catalytic C-terminal domain |
| a.98.1 | R1 subunit of ribonucleotide reductase, N-terminal domain | R1 subunit of ribonucleotide reductase, N-terminal domain multihelical consists of two all-alpha subdomains ! subdomain 1 (residues 10-100) is a 4-helical bundle |
| d.58.28 | Peptide methionine sulfoxide reductase common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.6 | Nucleoside diphosphate kinase, NDK | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.313.1 | Prenyltransferase-like the barrel channel harbours the substrate-binding site ! | Antiparallel beta/alpha barrel (PT-barrel) tandem repeat of five alpha(2)-beta(2) motifs; antiparallel beta-sheet barrel, closed; n=10, S=10; order 123456789A; there is a channel along the barrel axis |
| d.166.1 | ADP-ribosylation | ADP-ribosylation unusual fold |
| c.134.1 | LmbE-like | LmbE-like 3 layers, a/b/a; mixed beta-sheet of 7 strands, order 3214576; strand 7 is antiparallel to the rest; topological similarity to SAM-dependent methyltransferases |
| d.58.54 | YbeD/HP0495-like | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| e.62.1 | Heme iron utilization protein-like | Heme iron utilization protein-like 2 domains; d1 - 3-helical bundle similar to the homeodomain-like fold; d2 - 6-stranded beta-barrel capped by two helices at one end, similar topology to the PH-like fold |
| d.58.33 | Formylmethanofuran:tetrahydromethanopterin formyltransferase duplication: contains two subdomains of this fold ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.44 | Multidrug efflux transporter AcrB pore domain; PN1, PN2, PC1 and PC2 subdomains duplication: the N- and C-terminal halves of the whole proteins are structurally similar; each half contains two domains of this fold ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.42 | N-utilization substance G protein NusG, N-terminal domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.48 | MTH1187/YkoF-like | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.273.1 | YjbQ-like | YjbQ-like beta(2)-alpha-beta(2)-alpha(2)-beta(3); contains a beta-sandwich: 7 strands in 2 sheets; trimerizes with orthogonally packed beta-sheets |
| d.58.19 | Bacterial exopeptidase dimerisation domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.307.1 | Nqo5-like | Nqo5-like core: alpha-beta(2)-alpha-beta(3); 2 layers, a/b; mixed beta-sheet, order 12534, strands 2 and 5 are parallel |
| d.213.1 | VSV matrix protein | VSV matrix protein beta-alpha(2)-beta(4)-alpha-beta(2); two layers: alpha/beta; bifurcated coiled beta-sheet: order of the first 5 strands: 23154 |
| d.58.25 | Killer toxin KP6 alpha-subunit | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.52.2 | GMP synthetase C-terminal dimerisation domain | Alpha-lytic protease prodomain-like core: alpha-beta(2)-(alpha)-beta; 2 layers: alpha/beta |
| d.326.1 | XisI-like | XisI-like alpha-beta(4)-alpha-beta-alpha; 2 layers, a/b; antiparallel beta-sheet, order 1234, meander; the open side of beta-sheet provides dimerization interface |
| c.1.26 | Homocysteine S-methyltransferase | TIM beta/alpha-barrel contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 ! the first seven superfamilies have similar phosphate-binding sites |
| c.123.1 | CoA-transferase family III (CaiB/BaiF) | CoA-transferase family III (CaiB/BaiF) consist of two different alpha/beta domains; N-terminal domain has a SurE-like topology with a left-handed beta-alpha-beta unit |
| d.52.6 | BolA-like | Alpha-lytic protease prodomain-like core: alpha-beta(2)-(alpha)-beta; 2 layers: alpha/beta |
| d.58.32 | FAD-linked oxidases, C-terminal domain duplication: contains two subdomains of this fold ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.358.1 | YdfO-like | YdfO-like duplication: two alpha(2)-beta(3) motifs are related by pseudo twofold symmetry; single antiparrallel beta-sheet, order:321456 |
| c.1.27 | (2r)-phospho-3-sulfolactate synthase ComA | TIM beta/alpha-barrel contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 ! the first seven superfamilies have similar phosphate-binding sites |
| c.1.1 | Triosephosphate isomerase (TIM) | TIM beta/alpha-barrel contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 ! the first seven superfamilies have similar phosphate-binding sites |
| b.2.6 | Cytochrome f, large domain | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| c.118.1 | GckA/TtuD-like | GckA/TtuD-like consists of two non-similar domains ! Domain 1 has parallel sheet of 6 strands, order 321456, Rossmann-like topology ! Domain 2 has mixed sheet of 6 strands, order 126345; strands 5 and 6 are antiparallel to the rest; some similarity to CbiF Domain 2 |
| d.58.51 | eIF-2-alpha, C-terminal domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| c.96.1 | Fe-only hydrogenase | Fe-only hydrogenase consist of two intertwined domains; contains partial duplication |
| d.227.1 | OsmC-like | OsmC-like swapped dimer of beta(3)-alpha-beta(2)-alpha(2)-beta subunits; mixed beta-sheet; order: 321[4][5][6]; buried helix |
| d.59.1 | Ribosomal protein L30p/L7e | Ribosomal protein L30p/L7e core: beta-alpha-beta-alpha-beta; antiparallel beta-sheet: order 312; some similarity to the ferredoxin-like fold |
| d.149.1 | Nitrile hydratase alpha chain duplication: contains two structural repeats ! | Nitrile hydratase alpha chain 4 layers a/b/b/a; inside is a sandwich of two 2-stranded beta-sheets |
| d.58.55 | DOPA-like probable biological unit is homodimer; the extra C-terminal strand, adjacent and antiparallel to strand 4, contributes to the dimerisation interface ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| c.56.6 | LigB-like circular permutation of the common fold, most similar to the PNP fold ! | Phosphorylase/hydrolase-like core: 3 layers, a/b/a ; mixed sheet of 5 strands: order 21354; strand 4 is antiparallel to the rest; contains crossover loops |
| d.365.1 | Ava3019-like | Ava3019-like alpha(2)-beta-alpha-beta(4); 2 layers, a/b; antiparallel beta-sheet, order: 32145; similarity to the insert domain of Glucose 6-phosphate dehydrogenase-like family (sop_fa 55376) |
| e.39.1 | YebC-like | YebC-like 3 domains: (1) 3-helical bundle; (2 and 3 ) alpha+beta of different folds: domain 3 has a ferredoxin-like fold and is inserted in domain 2 |
| d.142.1 | Glutathione synthetase ATP-binding domain-like | ATP-grasp Consists of two subdomains with different alpha+beta folds ! shares functional and structural similarities with the PIPK and protein kinase superfamilies |
| d.329.1 | PF0523-like | PF0523-like beta-alpha-beta-alpha(3)-beta-alpha-beta-alpha; 3 layers, a/b/a; antiparallel beta-sheet, order 4132; some similarity to the PurM C-terminal domain-like fold (scop_cf 56041) |
| d.193.1 | Hsp33 domain | Hsp33 domain 3 layers: beta/alpha/beta; buried helix |
| d.58.13 | Anticodon-binding domain of PheRS | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.103.1 | CytB endotoxin-like | CytB endotoxin-like core: beta-alpha(2)-beta-alpha(2)-beta(4); 3 layers: a/b/a |
| e.28.1 | Reovirus inner layer core protein p3 | Reovirus inner layer core protein p3 large protein without apparent domain division; has a number of all-alpha regions and one all beta domain near the C-end |
| d.128.1 | Glutamine synthetase/guanido kinase | Glutamine synthetase/guanido kinase duplication: common core consists of two beta-alpha-beta2-alpha repeats |
| d.377.1 | Rv2827c C-terminal domain-like | Rv2827c C-terminal domain-like multihelical array flanked by two three-stranded mixed beta-sheets |
| d.225.1 | Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains duplication: the N- and C-terminal halves of the whole proteins are structurally similar ! | Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains Intertwined pseudo hexamer of an alpha+beta motif |
| d.316.1 | MK0786-like probable biological unit is a teramer; all subunit interfaces are provided by helices ! | MK0786-like alpha(2)-beta(4); 2 layers: a/b; antiparallel beta-sheet, order 1234 (meander) |
| c.1.24 | Pyridoxine 5'-phosphate synthase | TIM beta/alpha-barrel contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 ! the first seven superfamilies have similar phosphate-binding sites |
| d.154.1 | DmpA/ArgJ-like convergent similarity to the Ntn amidohydrolases ! | DmpA/ArgJ-like duplication of beta(3)-alpha-beta-alpha motif; 4 layers: alpha/beta/beta/alpha |
| d.58.12 | eEF-1beta-like | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| c.1.20 | tRNA-guanine transglycosylase | TIM beta/alpha-barrel contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 ! the first seven superfamilies have similar phosphate-binding sites |
| d.280.1 | Sulfolobus fructose-1,6-bisphosphatase-like | Sulfolobus fructose-1,6-bisphosphatase-like 4 layers: a/b/b/a; antiparallel beta sheets; similarities to ferredoxin-like fold (scop_cf 54861) in the N-terminal part (1-120) and to the Bacterial S-adenosylmethionine decarboxylase subunit (scop_fa 997656) in the C-terminal part (121-340) |
| d.52.7 | Ribosome-binding factor A, RbfA possible distant homologue of the type I KH domain lacking the KH motif ! | Alpha-lytic protease prodomain-like core: alpha-beta(2)-(alpha)-beta; 2 layers: alpha/beta |
| d.52.9 | Cation efflux protein cytoplasmic domain-like | Alpha-lytic protease prodomain-like core: alpha-beta(2)-(alpha)-beta; 2 layers: alpha/beta |
| d.58.47 | Hypothetical protein VC0424 | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.43.2 | Band 7/SPFH domain beta(2)-alpha(3)-beta ! | EF-Ts domain-like beta(2)-alpha(n)-beta; 2 layers a/b; antiparallel sheet: 123 |
| c.1.22 | UROD/MetE-like | TIM beta/alpha-barrel contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 ! the first seven superfamilies have similar phosphate-binding sites |
| d.259.1 | Hypothetical protein HI1480 | Hypothetical protein HI1480 beta-alpha(4)-beta-alpha-beta; segregated alpha-helical and beta-sheet subdomains; dimeric beta-sheet barrel: n=6, S=10 |
| d.58.59 | Rnp2-like contains extra C-terminal helix | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.161.1 | ADC synthase the active site is formed by additional structures inserted into the core structure ! | ADC synthase duplication: contains four repeats of alpha-beta(2)-beta motif arranged in a 4 layer core structure: alpha/beta/beta/alpha; orthogonally packed beta-sheets |
| e.10.1 | Prokaryotic type I DNA topoisomerase duplication: the protein chain passing through the domains 2-4 makes two structural repeats ! The active site is formed by the toprim and "winged helix" domains (domains 1 and 4); these two domains are also found in the type II topoisomerase (DNA gyrase A) and in the alpha subunit of topoisomerase IV ! | Prokaryotic type I DNA topoisomerase 4 domains: (1) Toprim alpha/beta; (2&4) "winged helix"-like; (3) barrel: n=6, S=8 |
| e.66.1 | Api92-like | Api92-like 2 domains; d1: [alpha+beta with similarity to ferredoxin-like fold]; d2: [6 helices, bundle, one buried central helix], inserted into d1 |
| d.359.1 | BH3703-like | BH3703-like alpha-beta(3)-alpha-beta(2)-alpha(2); antiparallel beta-sheet, order:32145; duplication: two alpha-beta(2) structural repeats are arranged with pseudo twofold symmetry |
| a.8.3 | Families 57/38 glycoside transferase middle domain | immunoglobulin/albumin-binding domain-like 3 helices; bundle, closed, left-handed twist; up-and-down; mirror topology to the spectrin-like fold |
| d.58.20 | NAD-binding domain of HMG-CoA reductase | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| c.1.33 | EAL domain-like variant of the beta/alpha-barrel fold with strand 1 being antiparallel to the rest ! | TIM beta/alpha-barrel contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 ! the first seven superfamilies have similar phosphate-binding sites |
| e.2.1 | Replication terminator protein (Tus) | Replication terminator protein (Tus) contains a cluster of helices and a beta-sandwich |
| d.137.1 | Monooxygenase (hydroxylase) regulatory protein duplication: consists of two beta-alpha-(beta)-beta(2) motifs; some topological similarity to the ferredoxin-like fold ! | Monooxygenase (hydroxylase) regulatory protein corner-like structure formed by two sheets and filled in with 2-3 helices |
| d.67.1 | ThrRS/AlaRS common domain putative editing domain found in the N-terminal part of ThrRS, the C-terminal of AlaRS, and as a stand-alone protein; probable circular permutation of LuxS ( | RRF/tRNA synthetase additional domain-like core: alpha-beta(2)-alpha-beta(2); 2 layers: alpha/beta |
| a.118.4 | Lipovitellin-phosvitin complex, superhelical domain | alpha-alpha superhelix multihelical; 2 (curved) layers: alpha/alpha; right-handed superhelix |
| d.373.1 | gpW/gp25-like Contains phage tail lysozyme | gpW/gp25-like alpha(2)-beta(3); similar to one structural repeat of the Creatinase/aminopeptidase family and the C-terminal subdomain of PanC |
| d.338.1 | Oxysterol-binding protein-like | Oxysterol-binding protein-like core: large meander beta-sheet of 12 strands wrapped around the N-terminal (distorted) alpha-hairpin; some similarity to transmembrane beta-barrel proteins |
| a.102.2 | Seven-hairpin glycosidases | alpha/alpha toroid multihelical; up to seven alpha-hairpins are arranged in closed circular array; there may be sequence similarities between different superfamilies |
| d.252.1 | CheC-like | CheC-like duplication: tandem repeat of two intertwined alpha-beta-(X)-beta(2) motifs |
| a.250.1 | IpaD-like | IpaD-like 6 helices; bundle, up-and-down; can be divided into two four-helical bundles sharing two helices (3 and 6), which are twice longer than the rest |
| d.58.50 | Hypothetical protein TT1725 | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.363.1 | NMB0513-like | NMB0513-like alpha(3)-beta(2)-alpha-beta(2); some similarity to the "winged helix" DNA-binding domain fold |
| e.57.1 | Vacuolar ATP synthase subunit C | Vacuolar ATP synthase subunit C 2 alpha+beta (sub)domains [each has a ferredoxin-like fold; scop_cf 54861], connected with 3-helical bundle; duplication: two repeats of beta-alpha-beta-[alpha coiled-coil]-beta-alpha-beta motif |
| d.58.60 | Bacterial polysaccharide co-polymerase-like Decorated common fold with extra helical regions, which facilitate oligomerization | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| f.5.1 | Outer membrane efflux proteins (OEP) | Outer membrane efflux proteins (OEP) subunit fold contains tandem repeat of alpha-beta hairpin-alpha(2) motif ! trimeric fold contains barrel (n=12, S=18) formed by beta-hairpins, two from each subunit, and a bundle of helices with a channel running through it |