| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| d.159.1 | Metallo-dependent phosphatases different families of this superfamily are groupped in a single Pfam family, | Metallo-dependent phosphatases 4 layers: alpha/beta/beta/alpha; mixed beta sheets; contains duplication |
| c.23.16 | Class I glutamine amidotransferase-like conserved positions of the oxyanion hole and catalytic nucleophile; different constituent families contain different additional structures ! | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| d.92.2 | beta-N-acetylhexosaminidase-like domain contains similar fold but lacks its catalytic centre ! | Zincin-like contains mixed beta sheet with connection over free side of the sheet |
| 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 |
| b.25.1 | Osmotin, thaumatin-like protein has two smaller insertion domains ! | Osmotin, thaumatin-like protein sandwich; 11 strands in 2 sheets |
| b.93.1 | Epsilon subunit of F1F0-ATP synthase N-terminal domain | Epsilon subunit of F1F0-ATP synthase N-terminal domain pseudobarrel: sandwich of two sheets packed at a positive interstrand angle and interconnected with many short turns |
| d.32.1 | Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase | Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase beta-alpha-beta(3); 2 layers: alpha/beta |
| c.56.7 | AF0625-like contains extra C-terminal alpha/beta domain: 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 2134 ! | 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 |
| c.57.1 | Molybdenum cofactor biosynthesis proteins | Molybdenum cofactor biosynthesis proteins 3 layers: a/b/a; mixed beta-sheet of 5 strands; order: 21354, strand 5 is antiparallel to the rest; permutation of the Phosphorylase/hydrolase-like fold |
| d.92.1 | Metalloproteases ("zincins"), catalytic domain | Zincin-like contains mixed beta sheet with connection over free side of the sheet |
| d.185.1 | LuxS/MPP-like metallohydrolase Share the same "active site motif" HxxEH located in the first core helix, but differ in one of the zinc-binding residues ! | LuxS/MPP-like metallohydrolase core: beta-alpha-beta(2)-alpha(2); 2 layers: alpha/beta |
| c.132.1 | Bacterial fluorinating enzyme, N-terminal domain | Bacterial fluorinating enzyme, N-terminal domain 3 layers: a/b/a; mixed beta-sheet of 6 strands; order: 213546, strand 5 is antiparallel to the rest; topological similarity to the MogA-like family fold |
| c.56.2 | Purine and uridine phosphorylases complex architecture; contains mixed beta-sheet of 8 strands, order 23415867, strands 3, 6 & 7 are antiparallel to the rest; and barrel, closed; n=5, S=8 ! | 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.56.1 | GroEL-intermediate domain like | GroEL-intermediate domain like 3-helical bundle packed against 3-stranded mixed beta-sheet |
| b.53.1 | Ribosomal protein L25-like | Ribosomal protein L25-like barrel, closed; n=6, S=10; complex topology |
| d.176.1 | Oxidoreductase molybdopterin-binding domain | Oxidoreductase molybdopterin-binding domain unusual fold; contains 3 layers of beta-sheet structure and a beta-grasp like motif |
| b.52.1 | Barwin-like endoglucanases | Double psi beta-barrel barrel, closed; n=6, S=10; complex topology with crossover (psi) loops |
| 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 |
| b.64.1 | Mannose 6-phosphate receptor domain | Mannose 6-phosphate receptor domain barrel, partly open; n*=8, S*=10; one psi loop |
| b.118.1 | FAS1 domain | FAS1 domain core: barrel, closed; n=7, S=12; meander |
| c.56.1 | HybD-like the HybD fold coincides with the consensus core structure ! | 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.152.1 | Aldehyde ferredoxin oxidoreductase, N-terminal domain | Aldehyde ferredoxin oxidoreductase, N-terminal domain contains sandwich; duplication of alpha+beta motif with single mixed sheet ! motif: beta(2)-alpha-beta(3)-alpha-beta; strand order 216345, strands 1 and 6 are parallel |
| c.77.1 | Isocitrate/Isopropylmalate dehydrogenase-like the constituent families form similar dimers ! | Isocitrate/Isopropylmalate dehydrogenase-like consists of two intertwined (sub)domains related by pseudo dyad; duplication ! 3 layers: a/b/a; single mixed beta-sheet of 10 strands, order 213A945867 (A=10); strands from 5 to 9 are antiparallel to the rest |
| d.15.7 | Immunoglobulin-binding domains | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| c.87.1 | UDP-Glycosyltransferase/glycogen phosphorylase | UDP-Glycosyltransferase/glycogen phosphorylase consists of two non-similar domains with 3 layers (a/b/a) each ! domain 1: parallel beta-sheet of 7 strands, order 3214567 ! domain 2: parallel beta-sheet of 6 strands, order 321456 |
| d.15.6 | Superantigen toxins, C-terminal domain | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| d.218.1 | Nucleotidyltransferase | Nucleotidyltransferase core: alpha-beta-turn-beta-X-beta-(alpha); mixed beta-sheet, order of core strands: 123 |
| a.104.1 | Cytochrome P450 | Cytochrome P450 multihelical |
| c.50.1 | Macro domain-like | Macro domain-like 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 165243, strand 3 is antiparallel to the rest |
| d.166.1 | ADP-ribosylation | ADP-ribosylation unusual fold |
| f.47.1 | VP4 membrane interaction domain | VP4 membrane interaction domain 2 domains; d1: complexed all-beta fold; d2: coiled-coil (trimeric) helical region |
| b.107.1 | Urease metallochaperone UreE, N-terminal domain | Urease metallochaperone UreE, N-terminal domain barrel, closed; n=6, S=8; a crossover loop topology |
| b.6.1 | Cupredoxins contains copper-binding site ! | Cupredoxin-like sandwich; 7 strands in 2 sheets, greek-key ! variations: some members have additional 1-2 strands |
| b.147.1 | BTV NS2-like ssRNA-binding domain | BTV NS2-like ssRNA-binding domain sandwich; 9 strands in 2 sheets; unusual topology with 2 crossover loops |
| c.45.1 | (Phosphotyrosine protein) phosphatases II share with the family I the common active site structure with a circularly permuted topology ! | (Phosphotyrosine protein) phosphatases II core: 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 1423 |
| d.263.1 | Hypothetical protein Yml108w | Hypothetical protein Yml108w beta(2)-alpha-beta(2)-alpha; 2 layers, alpha/beta; mixed beta-sheet 2143, strands 1 and 4 are parallel |
| 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 |
| c.56.3 | Peptidyl-tRNA hydrolase-like | 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 |
| b.40.4 | Nucleic acid-binding proteins | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| d.15.1 | Ubiquitin-like | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| c.56.5 | Zn-dependent exopeptidases core: mixed beta-sheet of 8 strands, order 12435867; strands 2, 6 & 7 are antiparallel to the rest ! | 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 |
| b.57.1 | Herpes virus serine proteinase, assemblin | Herpes virus serine proteinase, assemblin core: barrel, closed; n=7, S=8; complex topology |
| 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 |
| b.40.16 | HIN-2000 domain-like duplication: tandem repeat of two OB-fold domains | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| b.167.1 | FimD N-terminal domain-like | FimD N-terminal domain-like pseudo barrel, capped by an alpha-helix; some topological similarity to the PRC-barrel domain (scop_sf 50346) and the N-terminal domain of Glutamine synthetase (scop_sf 54368) |
| d.15.3 | MoaD/ThiS possible link between the ubiquitin-like and 2Fe-2S ferredoxin-like superfamilies ! | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| e.29.1 | beta and beta-prime subunits of DNA dependent RNA-polymerase The catalytic site is formed by the association of two double-psi beta-barrel domains, one from each subunit ! | beta and beta-prime subunits of DNA dependent RNA-polymerase Multidomain subunits of complex domain organization |
| 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.112.1 | Phoshotransferase/anion transport protein | Phoshotransferase/anion transport protein beta-alpha(2)-beta(3)-alpha(3); 3 layers, alpha/beta/alpha; mixed sheet: order 1342; loop crossing |
| e.67.1 | PH0156-like | PH0156-like 2 (sub)domains; d1: [alpha/beta with central mixed beta-sheet, order: 23415876, similarity to the G protein but no P-loop]; d2: [all-alpha, 5 helices, provides dimerization interface] |
| b.50.1 | Acid proteases | Acid proteases barrel, closed; n=6, S=10, complex topology |
| b.61.2 | beta-Barrel protease inhibitors | Streptavidin-like barrel, closed; n=8, S=10; meander |
| b.1.19 | Antigen MPT63/MPB63 (immunoprotective extracellular protein) | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.52.2 | ADC-like | Double psi beta-barrel barrel, closed; n=6, S=10; complex topology with crossover (psi) loops |
| b.41.1 | PRC-barrel domain | PRC-barrel domain core: barrel, partly opened; n*=5, S*=8; meander |
| f.11.1 | Anthrax protective antigen | Anthrax protective antigen 4 domains; I (res. 14-225) and II (226-487) are beta-sandwiches of similar gamma-crystallin like topologies; III (488-594) has a beta-grasp like fold; IV (595-735) has an Ig-like fold |
| b.3.6 | Aromatic compound dioxygenase | Prealbumin-like sandwich; 7 strands in 2 sheets, greek-key ! variations: some members have additional 1-2 strands to common fold |
| b.40.7 | CheW-like | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| d.298.1 | RelE-like Toxin component of plasmid stabilisation system ! | RelE-like beta-alpha(2)-beta(4), 2 layers; a/b, antiparallel beta-sheet; order 15432 |
| b.80.7 | beta-Roll superhelix turns are made of two short strands each ! | Single-stranded right-handed beta-helix superhelix turns are made of parallel beta-strands and (short) turns |
| d.11.1 | Penicillin-binding protein 2x (pbp-2x), c-terminal domain duplication: consists of 2 subdomains of this fold ! | Penicillin-binding protein 2x (pbp-2x), c-terminal domain alpha1-beta3; 2 layers: alpha/beta; order 132 |
| c.106.1 | SurE-like some topological similarity to the N-terminal domain of Glutaminase/Asparaginase family ! | SurE-like 3 layers: a/b/a; mixed beta-sheet of 9 strands, order 342156798; strands 3, 8 and 9 are antiparallel to the rest; left-handed crossover connection between strands 6 and 7 |
| c.70.1 | Nucleoside hydrolase | Nucleoside hydrolase core: 3 layers, a/b/a ; mixed beta-sheet of 8 strands, order 32145687; strand 7 is antiparallel to the rest |
| b.68.6 | Calcium-dependent phosphotriesterase | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.69.12 | Sema domain irregular 7-bladed beta-propeller with a large insertion in the fifth blade ! | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| c.1.28 | Radical SAM enzymes common Fe-S cluster and SAM binding sites are embedded into complete or incomplete beta/alpha-barrel ! | 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 |
| c.91.1 | PEP carboxykinase-like | PEP carboxykinase-like contains a P-loop NTP-binding motif; mixed beta-sheet folds into a barrel-like structure with helices packed on one side |
| 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.115.1 | YrdC/RibB | YrdC/RibB core: alpha-beta(2)-alpha-beta-alpha(2)-beta(2)-alpha-beta-alpha-beta; 3 layers; mixed twisted sheet of 7 strands; order 7126354; strands 7 and 1 are parallel to each other |
| b.124.1 | HesB-like domain | HesB-like domain barrel, closed; n=7, S=10; complex topology |
| c.6.2 | Glycoside hydrolase/deacetylase in the different families beta-barrels are similarly distorted but may vary in the number of strands ! | 7-stranded beta/alpha barrel variant of beta/alpha barrel; parallel beta-sheet barrel, closed, n=7, S=8; strand order 1234567; some members may have fewer strands |
| d.15.2 | CAD & PB1 domains contain extra helix; similar heterodimerization modes; possibly related to the ubiquitin-like superfamily ! | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| b.146.1 | Ctag/Cox11 | Ctag/Cox11 sandwich; 7 strands in 2 sheets, greek-key; permutation of the immunoglobulin-like fold |
| b.40.2 | Bacterial enterotoxins | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| 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 |
| b.74.1 | Carbonic anhydrase | Carbonic anhydrase single sheet; 10 strands |
| e.53.1 | QueA-like | QueA-like 2 domains; d1 (1-64,174-335) [alpha/beta; 3 layers, a/b/a; mixed beta sheet of 9 strands, order: 219863457; strands 1, 5 and 8 are antiparallel to the rest]; d2 (65-142) [all-beta; barrel, closed (n=6, S=10); greek-key; topologically similar to the split barrel fold (scop_cf 50474) |
| b.4.1 | HSP40/DnaJ peptide-binding domain | HSP40/DnaJ peptide-binding domain sandwich; 6 strands in 2 sheets |
| d.269.1 | Gamma-glutamyl cyclotransferase-like | Gamma-glutamyl cyclotransferase-like beta-alpha-beta(4)-alpha-beta(2); contains beta-sheet barrel (n=5, S=8) |
| b.1.26 | ICP-like topological variant with similarity to the Cupredoxin-like fold ( | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| 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.328.1 | CorA soluble domain-like | CorA soluble domain-like beta(2)-alpha-beta-alpha(2)-beta(4)-alpha(3); 3 layers: a/b/a; mixed beta-sheet, order 2137654; strands 3 and 7 are parallel |
| d.113.1 | Nudix | Nudix beta(2)-alpha-beta(3)-alpha; 3 layers: alpha/beta/alpha; mixed sheet ! contains beta-grasp motif |
| d.322.1 | PHP14-like | PHP14-like beta(3)-alpha-beta(2)-alpha-beta; 3 layers, a/b/a; mixed beta-sheet, half-barrel, order: 132456; strands 2 and 5 are antiparallel to the rest |
| d.148.1 | Hect, E3 ligase catalytic domain | Hect, E3 ligase catalytic domain consists of two alpha+beta domains; the N-terminal domain is array of helices and beta-hairpins; the C-terminal domain is an a/b sandwich with one left-handed beta-alpha(n)-beta unit; conformational flexibility of domain orientation |
| d.15.4 | 2Fe-2S ferredoxin-like | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| b.40.5 | Inorganic pyrophosphatase | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| b.97.1 | Cytolysin/lectin some topological similarity to osmotin ! | Cytolysin/lectin sandwich, 10 strands in 2 sheets; |
| d.271.1 | HSP90 C-terminal domain | HSP90 C-terminal domain alpha-beta(3)-alpha(3); 2 layers, a/b; mixed beta-sheet, order:132; crossing loops |
| c.56.4 | Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase) | 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.200.1 | Integrin beta tail domain | Integrin beta tail domain alpha-beta-loop-beta(3); loop across free side of beta-sheet |
| b.126.1 | Adsorption protein p2 | Adsorption protein p2 multisheet protein containing partial beta-propeller and beta-sandwich regions |
| d.177.1 | FAH | FAH unusual fold; contains 3 layers of beta-sheet structure |
| c.138.1 | Indigoidine synthase A-like | Indigoidine synthase A-like core: 3 layers, a/b/a; parallel beta-sheet of 7 strands, order 2134756 |
| b.133.1 | Dextranase, N-terminal domain | Dextranase, N-terminal domain sandwich; 9 strands in 2 sheets; greek-key |
| e.17.1 | D-aminoacid aminotransferase-like PLP-dependent enzymes | D-aminoacid aminotransferase-like PLP-dependent enzymes 2 domains: (1) alpha+beta: beta3-alpha2-beta2; (2) alpha/beta, a part of its mixed sheet forms barrel: n=6, S=8 |
| b.1.15 | Integrin domains | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| d.238.1 | Hypothetical protein TM0875 | Hypothetical protein TM0875 unusual fold; core: beta(2)-loop-beta(2)-alpha-beta; mixed beta-sheet: order 51243; parallel strands 2 and 4 |
| b.73.1 | Head domain of nucleotide exchange factor GrpE | Head domain of nucleotide exchange factor GrpE small mixed beta-sheet, 4 "generalized" strands |
| e.61.1 | ImpE-like | ImpE-like consists of two domains; d1: right-handed superhelix of five helices; d2: pseudo beta-barrel containing structurally similar part to the "Histone-like" proteins from archaea (scop_fa 54161) |
| b.110.1 | Cloacin translocation domain | Cloacin translocation domain complex fold made of several coiled beta-sheets |
| e.55.1 | Rap/Ran-GAP | Rap/Ran-GAP consists of two domains; d1: alpha+beta (78-190; alpha-beta(4)-alpha-beta-alpha; 3 layers; antiparallel beta-sheet of 5 strands; order 51234); d2: alpha/beta similar to the G-domain fold (191-381; scop_fa 52592) |
| d.114.1 | 5'-nucleotidase (syn. UDP-sugar hydrolase), C-terminal domain | 5'-nucleotidase (syn. UDP-sugar hydrolase), C-terminal domain core: alpha-beta(2)-alpha-beta(2)-alpha-beta; 3 layers; mixed sheet: order 31425 |
| 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 |
| b.40.11 | TM0957-like extra N-terminal region and large insertion after strand 3 together form an alpha-helical subdomain ! | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| e.1.1 | Serpins | Serpins contains a cluster of helices and a beta-sandwich |
| d.15.10 | TGS-like possibly related to the ubiquitin-like and MoaD/ThiS superfamilies; some similarity to the alpha-L RNA-binding motif ! | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| c.52.4 | TBP-interacting protein-like contains extra C-terminal alpha+beta domain of complex fold with an embeded C2H2 zinc-finger | 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 |
| d.15.8 | Translation initiation factor IF3, N-terminal domain | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| b.65.1 | Rap30/74 interaction domains | triple barrel dimer of two non-identical subunits; forms two similar barrels, n=8, S=10 each, that are fused together with the formation of third barrel, n=6, S=8 |
| d.377.1 | Rv2827c C-terminal domain-like | Rv2827c C-terminal domain-like multihelical array flanked by two three-stranded mixed beta-sheets |
| d.265.1 | Pseudouridine synthase the active site is the most conserved structural region of the superfamily and is located between the subdomains ! | Pseudouridine synthase consists of two alpha+beta subdomains with some similarity to the ferredoxin-like fold |
| d.133.1 | Molybdenum cofactor-binding domain duplication: consists of 4 structural repeats arranged in 2 lobes ! contains one left-hand beta-alpha-beta unit per lobe ! | Molybdenum cofactor-binding domain beta(2)-alpha-beta-alpha-beta; 2 layers: a/b; mixed sheet: order 1243: crossing loops |
| c.56.8 | Cgl1923-like | 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 |
| b.168.1 | HisI-like | HisI-like pseudo barrel, capped by an alpha-helix; contains a beta-triangle structure on one side; some topological similarity to the Ribosomal protein L25-like fold (scop_cf 50714) and the N-terminal domain of Glutamine synthetase (scop_sf 54368) |
| c.146.1 | YgbK-like | YgbK-like consists of two domains with partial topological similarity to the P-loop kinases but without the P-loop motif; the domain association results in the formation of a single mixed beta-sheet of 15 strands |
| b.40.9 | Heme chaperone CcmE | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| d.29.1 | Ribosomal protein L31e | Ribosomal protein L31e beta-alpha-beta-(alpha)-beta(2); 2 layers: alpha/beta; mixed beta-sheet, order: 1342 |
| b.40.3 | TIMP-like | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| b.51.1 | ValRS/IleRS/LeuRS editing domain | ValRS/IleRS/LeuRS editing domain core: barrel, closed; n=6, S=8; topology is similar to that of the acid proteases barrel |
| b.39.1 | Ribosomal protein L14 | Ribosomal protein L14 barrel, closed; n=5, S=8, meander |
| d.319.1 | TTHA1528-like | TTHA1528-like beta-alpha-beta(3)-alpha-beta-alpha(2)-beta; 3 layers: a/b/a; mixed beta-sheet, order: 143256, parallel strands' pairs are 1-4 and 2-5 |
| b.68.3 | Thermostable phytase (3-phytase) | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| g.41.17 | CSL zinc finger | Rubredoxin-like metal(zinc or iron)-bound fold; sequence contains two CX(n)C motifs, in most cases n = 2 |
| g.29.1 | Type X cellulose binding domain, CBDX | Type X cellulose binding domain, CBDX disulfide-rich, alpha+beta |
| b.17.1 | PEBP-like | PEBP-like sandwich; 8 strands in 2 sheets; greek-key: partial topological similarity to immunoglobulin-like folds |
| b.1.24 | Accessory protein X4 (ORF8, ORF7a) | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| d.15.5 | Staphylokinase/streptokinase | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| b.1.11 | PapD-like contains PP switch between strands D and C' ! | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| d.15.9 | Glutamine synthetase, N-terminal domain | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| d.15.11 | Doublecortin (DC) possibly related to the ubiquitin-like superfamily ! | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| b.6.2 | Major surface antigen p30, SAG1 SS-crosslinked beta-sandwich of distinct geometry but topologically similar to cupredoxins ! | Cupredoxin-like sandwich; 7 strands in 2 sheets, greek-key ! variations: some members have additional 1-2 strands |
| e.59.1 | FdhE-like | FdhE-like consists on the N-terminal five-helical bundle, a tandem repeat of two rubredoxin-like domains and the C-terminal helix packed together |
| d.260.1 | Suppressor of Fused, N-terminal domain | Suppressor of Fused, N-terminal domain unusual fold; bifurcated beta-sheet; left-handed beta-alpha-beta unit |
| d.15.12 | TmoB-like possibly related to the ubiquitin-like and/or 2Fe-2S ferredoxin-like superfamilies ! | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| d.211.2 | Plakin repeat repeats associate forming globular subdomains ! | beta-hairpin-alpha-hairpin repeat multiple repeats of beta(2)-alpha(2) motif |
| b.1.6 | Cadherin-like | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.1.27 | CalX-like | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.85.2 | Head decoration protein D (gpD, major capsid protein D) | beta-clip double-stranded ribbon sharply bent in two places; the ribbon ends form incomplete barrel; jelly-roll |
| e.52.1 | NAD kinase/diacylglycerol kinase-like | NAD kinase/diacylglycerol kinase-like 2 domains: d1 [alpha/beta; related to the PFK N-terminal domain (scop_sf 53784)]; d2 [all-beta; atypical beta-sandwich made of 4 structural repeats of beta(3) unit] |
| d.22.1 | GFP-like | GFP-like beta-sheet folds into a barrel (n=11, S=14) around the central helix |
| d.339.1 | ORC1-binding domain | ORC1-binding domain complex fold, composed of an alpha hairpin, meander beta-sheet and a five-stranded barrel of unusual topology |
| b.40.10 | Hypothetical protein YgiW | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| d.333.1 | UbiD C-terminal domain-like | UbiD C-terminal domain-like alpha-beta(2)-alpha-beta-alpha-beta(2); 3 layers, a/b/a; mixed beta-sheet, order: 12354, strands 2,3 and 5 are parallel to each other |
| b.160.1 | L,D-transpeptidase catalytic domain-like | L,D-transpeptidase catalytic domain-like barrel, closed; n=8, S=10; one overside connection |
| c.112.1 | Glycerol-3-phosphate (1)-acyltransferase some topological similarity to the dihydrofolate reductase fold ! | Glycerol-3-phosphate (1)-acyltransferase 3 layers: a/b/a; mixed beta-sheet of 9 strands, order 918736452; strands 1, 2 and 8 are antiparallel to the rest |
| d.303.1 | BB1717-like | BB1717-like complex fold with a bifurcated beta-sheet structure surrounded by helices; contains beta-sheet barrel, closed (n=5, S=8) |
| b.85.6 | MoeA C-terminal domain-like | beta-clip double-stranded ribbon sharply bent in two places; the ribbon ends form incomplete barrel; jelly-roll |
| b.40.15 | EutN/CcmL-like homohexameric unit | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| b.40.14 | HupF/HypC-like contains extra C-terminal helix packed against the beta-barrel side | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| b.40.12 | NfeD domain-like close structural similarity to some members of the Nucleic acid-binding OB-fold proteins, possibly related to this superfamily ! | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| b.2.5 | p53-like transcription factors | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| b.142.1 | DNA-binding pseudobarrel domain | DNA-binding pseudobarrel domain core: barrel, open; n=7, S*=10; capped with helices at both ends; partial similarity to the AbrB/MazE/MraZ-like fold (scop_cf 89446) |
| c.142.1 | Nqo1 FMN-binding domain-like | Nqo1 FMN-binding domain-like 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 3214 |
| e.58.1 | Viral ssDNA binding protein | Viral ssDNA binding protein 2 domains; d1: [large alpha+beta domain subdivided into the 'head', 'neck' and 'shoulders' regions; in the 'neck', there is an OB-fold interrupted by large insertions]; d2: [all-alpha, 6 helices; orthogonal array] |
| d.15.13 | Nqo1 middle domain-like possibly evolved from 2Fe-2S ferredoxins; contains no iron-sulfur cluster ! | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| d.15.14 | NSP3A-like short helical inserions in the common fold | beta-Grasp (ubiquitin-like) core: beta(2)-alpha-beta(2); mixed beta-sheet 2143 |
| b.152.1 | Flagellar hook protein flgE | Flagellar hook protein flgE consists of two different domains; d1: [complex fold made of bifurcated beta-sheets]; d2 (inserted into d1): [beta-sandwich; 8 strands in 2 sheets] |
| b.2.7 | Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor duplication: one domain of this fold is inserted into another domain of the same fold ! | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| d.220.1 | Metal cation-transporting ATPase, ATP-binding domain N | Metal cation-transporting ATPase, ATP-binding domain N unusual fold; core: beta-alpha(2)-beta(3)-alpha(2)-beta(2); 6-stranded antiparallel beta-sheet, order: 165432 |
| d.172.1 | gp120 core | gp120 core unusual fold |
| f.12.1 | Head and neck region of the ectodomain of NDV fusion glycoprotein | Head and neck region of the ectodomain of NDV fusion glycoprotein 3 intertwined all-beta domains |
| f.9.1 | Perfringolysin | Perfringolysin 2 domains: (1) alpha+beta; (2) all-beta, similar to the CalB domain fold but the two last strands are transposed |
| e.35.1 | Membrane penetration protein mu1 | Membrane penetration protein mu1 4 domains: three intertwined predominately alpha domains and one jelly-roll beta-sandwich |
| b.69.10 | 3-carboxy-cis,cis-mucoante lactonizing enzyme | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |