| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| c.17.1 | Caspase-like mature protein may be composed of two chains folded in a single domain ! | Caspase-like 3 layers, a/b/a; core: mixed beta-sheet of 6 strands, order 213456, strand 6 is antiparallel to the rest |
| c.116.1 | alpha/beta knot known or predicted SAM-dependent methytransferases including the SPOUT 'sequence' superfamily ! all known members have dimeric structures ! | alpha/beta knot core: 3 layers: a/b/a, parallel beta-sheet of 5 strands, order 21435; contains a deep trefoil knot |
| 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 |
| c.36.1 | Thiamin diphosphate-binding fold (THDP-binding) there are two different functional modules of this fold: pyridine-binding (Pyr) and pyrophosphate-binding (PP) modules ! two Pyr and two PP modules assemble together in a conserved heterotetrameric core that binds two THDP coenzyme molecules ! | Thiamin diphosphate-binding fold (THDP-binding) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 213465 |
| d.228.1 | Replication modulator SeqA, C-terminal DNA-binding domain | Replication modulator SeqA, C-terminal DNA-binding domain consists of seven alpha-helices and three-stranded beta-sheet |
| 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.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.80.1 | SIS domain | SIS domain 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 21345 |
| c.2.1 | NAD(P)-binding Rossmann-fold domains | NAD(P)-binding Rossmann-fold domains core: 3 layers, a/b/a; parallel beta-sheet of 6 strands, order 321456 ! The nucleotide-binding modes of this and the next two folds/superfamilies are similar |
| c.67.1 | PLP-dependent transferases | PLP-dependent transferase-like main domain: 3 layers: a/b/a, mixed beta-sheet of 7 strands, order 3245671; strand 7 is antiparallel to the rest |
| d.14.1 | Ribosomal protein S5 domain 2-like | Ribosomal protein S5 domain 2-like core: beta(3)-alpha-beta-alpha; 2 layers: alpha/beta; left-handed crossover |
| 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 |
| c.69.1 | alpha/beta-Hydrolases many members have left-handed crossover connection between strand 8 and additional strand 9 ! | alpha/beta-Hydrolases core: 3 layers, a/b/a; mixed beta-sheet of 8 strands, order 12435678, strand 2 is antiparallel to the rest |
| d.277.1 | Bacillus phage protein | Bacillus phage protein alpa-beta(3)-alpha-beta(3)-alpha; 3 layers: b/a/b, 3-helical bundle flanked by two 3-stranded meander beta-sheets |
| c.65.1 | Formyltransferase | Formyltransferase 3 layers: a/b/a; mixed beta-sheet of 7 strands, order 3214567; strand 6 is antiparallel to the rest |
| c.48.1 | TK C-terminal domain-like | TK C-terminal domain-like 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 13245, strand 1 is antiparallel to the rest |
| c.129.1 | MCP/YpsA-like | MCP/YpsA-like 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 4321567 |
| c.24.1 | Methylglyoxal synthase-like contains a common phosphate-binding site ! | Methylglyoxal synthase-like 3 layers, a/b/a; parallel beta-sheet of 5 strands, order 32145 |
| c.3.1 | FAD/NAD(P)-binding domain | FAD/NAD(P)-binding domain core: 3 layers, b/b/a; central parallel beta-sheet of 5 strands, order 32145; top antiparallel beta-sheet of 3 strands, meander |
| d.178.1 | Aromatic aminoacid monoxygenases, catalytic and oligomerization domains | Aromatic aminoacid monoxygenases, catalytic and oligomerization domains unusual fold |
| c.31.1 | DHS-like NAD/FAD-binding domain binds cofactor molecules in the opposite direction than classical Rossmann fold ! | DHS-like NAD/FAD-binding domain 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456; Rossmann-like |
| d.315.1 | TRCF domain-like | TRCF domain-like beta-alpha(3)-beta(2)-alpha-beta(2)-alpha; 2 layers: alpha/beta; mixed beta sheet, order 12354, strands 1 and 2 are parallel; some topological similarity to the DCoH-like fold (scop_cf 55247) |
| c.81.1 | Formate dehydrogenase/DMSO reductase, domains 1-3 molybdopterine enzyme ! | Formate dehydrogenase/DMSO reductase, domains 1-3 contains of two similar intertwined domains related by pseudo dyad; duplication ! core: 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32451 |
| c.33.1 | Isochorismatase-like hydrolases | Isochorismatase-like hydrolases 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456 |
| d.68.2 | EPT/RTPC-like | IF3-like beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest |
| c.23.15 | Ribosomal protein S2 fold elaborated with additional structures ! | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.47.1 | Thioredoxin-like | Thioredoxin fold core: 3 layers, a/b/a; mixed beta-sheet of 4 strands, order 4312; strand 3 is antiparallel to the rest |
| c.23.5 | Flavoproteins | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.154.1 | CdCA1 repeat-like | CdCA1 repeat-like contains two parallel beta-strands of four strands each; the sheets contact each other with edges at a right angle |
| c.72.1 | Ribokinase-like has extra strand located between strands 2 and 3 ! | Ribokinase-like core: 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 21345678, strand 7 is antiparallel to the rest ! potential superfamily: members of this fold have similar functions but different ATP-binding sites |
| c.107.1 | DHH phosphoesterases constituent families have similar domain organization with variable interdomain linker and spatial arrangement of the domains ! | DHH phosphoesterases consists of two non-similar domains ! Domain 1 has parallel sheet of 6 strands, order 321456 ! Domain 2 has mixed sheet of 5 strands, order 12345; strands 1 & 4 are antiparallel to the rest |
| c.83.1 | Aconitase iron-sulfur domain | Aconitase iron-sulfur domain consists of three similar domains with 3 layers (a/b/a) each; duplication ! core: parallel beta-sheet of 5 strands, order 32145 |
| c.121.1 | Ribose/Galactose isomerase RpiB/AlsB | Ribose/Galactose isomerase RpiB/AlsB 3 layers: a/b/a, core: parallel beta-sheet of 5 strands, order 21354; topological similarity to a part of the arginase/deacetylase fold |
| c.51.1 | Class II aaRS ABD-related | Anticodon-binding domain-like 3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest |
| d.199.1 | DNA-binding C-terminal domain of the transcription factor MotA | MotA C-terminal domain-like alpha-beta(4)-alpha-beta(2)-alpha; 2 layers: alpha/beta |
| c.92.2 | "Helical backbone" metal receptor contains a long alpha helical insertion in the interdomain linker ! | Chelatase-like duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134 |
| c.23.1 | CheY-like | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.41.1 | Subtilisin-like | Subtilisin-like 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 2314567; left-handed crossover connection between strands 2 & 3 |
| d.106.1 | SCP-like | SCP-like alpha-beta(3)-(crossover)-beta-(alpha)-beta; 3 layers: a/b/a; antiparallel beta-sheet of 5 strands; order: 32145 |
| 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.111.1 | Activating enzymes of the ubiquitin-like proteins transfer adenylyl group to the C-terminal carboxyl group of the ubiquitin and MoaD/ThiS-related proteins ! the ATP nucleotide-binding site is similar to that of the NAD-binding Rossmann-folds ! | Activating enzymes of the ubiquitin-like proteins 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 32145678; strands 6 and 8 are antiparallel to the rest |
| d.92.1 | Metalloproteases ("zincins"), catalytic domain | Zincin-like contains mixed beta sheet with connection over free side of the sheet |
| d.50.3 | YcfA/nrd intein domain | dsRBD-like alpha-beta(3)-alpha; 2 layers: alpha/beta |
| d.218.1 | Nucleotidyltransferase | Nucleotidyltransferase core: alpha-beta-turn-beta-X-beta-(alpha); mixed beta-sheet, order of core strands: 123 |
| 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 |
| c.72.2 | MurD-like peptide ligases, catalytic domain has extra strand located between strands 1 and 2 ! | Ribokinase-like core: 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 21345678, strand 7 is antiparallel to the rest ! potential superfamily: members of this fold have similar functions but different ATP-binding sites |
| 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 |
| c.95.1 | Thiolase-like | Thiolase-like consists of two similar domains related by pseudo dyad; duplication ! 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32451; strand 5 is antiparallel to the rest |
| 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 |
| c.4.1 | Nucleotide-binding domain this superfamily shares the common nucleotide-binding site with and provides a link between the Rossmann-fold NAD(P)-binding and FAD/NAD(P)-binding domains ! | Nucleotide-binding domain 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like |
| c.73.1 | Carbamate kinase-like the sheet topology is similar to those of undecaprenyl diphosphate synthase and the N-terminal domain of phosphoglycerate kinase ! | Carbamate kinase-like 3 layers: a/b/a; mixed (mainly parallel) beta-sheet of 8 strands, order 34215786; strand 8 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 |
| c.5.1 | MurCD N-terminal domain | MurCD N-terminal domain 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; incomplete Rossmann-like fold; binds UDP group |
| 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 |
| c.89.1 | Phosphofructokinase | Phosphofructokinase consists of two non-similar domains, 3 layers (a/b/a) each ! Domain 1 has mixed sheet of 7 strands, order 3214567; strands 3 & 7 are antiparallel to the rest ! Domain 2 has parallel sheet of 4 strands, order 2314 |
| c.84.1 | Phosphoglucomutase, first 3 domains | Phosphoglucomutase, first 3 domains consists of three similar domains with 3 layers (a/b/a) each; duplication ! core: mixed beta-sheet of 4 strands, order 2134, strand 4 is antiparallel to the rest |
| c.141.1 | Glycerate kinase I | Glycerate kinase I consists of two different alpha/beta domains; (1) of the Flavodoxin-like fold (scop_cf 52171); (2) similar to the Restriction endonuclease-like fold (scop_cf 52979), inserted into domain 1 |
| c.62.1 | vWA-like | vWA-like core: 3 layers, a/b/a; mixed beta-sheet of 6 strands, order 321456; strand 3 is antiparallel to the rest |
| 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 |
| c.23.17 | Precorrin-8X methylmutase CbiC/CobH fold elaborated with additional structures ! | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.23.12 | Formate/glycerate dehydrogenase catalytic domain-like | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| d.198.3 | YjbR-like overall similar to the Type III secretory system chaperone subunits; different shape of the beta-sheet ! | Secretion chaperone-like alpha-beta(3)-alpha-beta(2)-alpha; 2 layers: alpha/beta |
| c.119.1 | DAK1/DegV-like domain folds and architecture show some similarity to the tubulin-like GTPases; the nucleotide-binding sites of the Dihydroxyacetone kinase and tubulin families are different ! | DAK1/DegV-like 2 different domains; d1: [core: 3 layers, a/b/a; parallel sheet of 5 strands, order: 2134]; D2: [2 layers, a/b; mixed sheet of 6 strands, order 321645; strands 2 and 6 are antiparallel to the rest] |
| d.320.1 | YojJ-like | YojJ-like alpha-beta-X-beta-alpha-beta(2)-alpha-beta(3); 3 layers: a/b/a; 7-stranded mixed beta-sheet, order 2431567; strands 1 and 3 are parallel to each other |
| d.134.1 | Nitrite and sulphite reductase 4Fe-4S domain-like duplication: contains two domains of this fold ! | Nitrite and sulphite reductase 4Fe-4S domain-like beta-alpha-beta-alpha-beta(3)-alpha(2,3); mixed sheet: order 12345; left-handed crossover connection between strands 1 and 2 |
| c.44.1 | Phosphotyrosine protein phosphatases I share the common active site structure with the family II ! | Phosphotyrosine protein phosphatases I-like 3 layers: a/b/a; parallel beta-sheet of 4 strands, order 2134 |
| c.79.1 | Tryptophan synthase beta subunit-like PLP-dependent enzymes | Tryptophan synthase beta subunit-like PLP-dependent enzymes consists of two similar domains related by pseudo dyad; duplication ! core: 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 3214 |
| c.92.3 | PrpR receptor domain-like recent PDB entry 2q5c belongs to this superfamily | Chelatase-like duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134 |
| 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 |
| e.54.1 | CbiD-like | CbiD-like 2 domains; (1) alpha+beta (res 1-192), a circularly permuted rS5 domain 2-like fold (scop_cf 54210); (2) alpha/beta with parallel beta-sheet of 4 strands, order 2134 |
| c.27.1 | Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain | Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like |
| c.23.4 | Succinyl-CoA synthetase domains | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.23.2 | Toll/Interleukin receptor TIR domain | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.23.13 | Type II 3-dehydroquinate dehydratase | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.58.1 | Aminoacid dehydrogenase-like, N-terminal domain | Aminoacid dehydrogenase-like, N-terminal domain core: 3 layers: a/b/a; parallel beta-sheet of 4 strands; 2134 |
| c.15.1 | BRCT domain | BRCT domain 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134 |
| 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 |
| c.44.2 | PTS system IIB component-like | Phosphotyrosine protein phosphatases I-like 3 layers: a/b/a; parallel beta-sheet of 4 strands, order 2134 |
| c.34.1 | Homo-oligomeric flavin-containing Cys decarboxylases, HFCD | Homo-oligomeric flavin-containing Cys decarboxylases, HFCD 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456 |
| c.72.3 | CoaB-like combination of the Rossmann-like and Ribokinase-like topologies; mixed beta-sheet of 8 strands, order 32145678, strand 7 is antiparallel to the rest ! | Ribokinase-like core: 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 21345678, strand 7 is antiparallel to the rest ! potential superfamily: members of this fold have similar functions but different ATP-binding sites |
| c.23.8 | N5-CAIR mutase (phosphoribosylaminoimidazole carboxylase, PurE) | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.115.1 | Hypothetical protein MTH777 (MT0777) | Hypothetical protein MTH777 (MT0777) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456 |
| c.23.6 | Cobalamin (vitamin B12)-binding domain | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.32.1 | Tubulin nucleotide-binding domain-like | Tubulin nucleotide-binding domain-like 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456 |
| c.51.3 | B12-dependent dehydatase associated subunit | Anticodon-binding domain-like 3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest |
| d.204.1 | Ribosome binding protein Y (YfiA homologue) | Ribosome binding protein Y (YfiA homologue) beta-alpha-beta(3)-alpha; 2 layers; mixed sheet 1234, strand 3 is antiparallel to the rest |
| 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 |
| 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.56.7 | 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.1.16 | Bacterial luciferase-like consists of clearly related families of somewhat different folds ! | 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.135.1 | The spindle assembly checkpoint protein mad2 N- and C-termini undergo large conformational rearrangement upon ligand binding ! | The spindle assembly checkpoint protein mad2 core: alpha(2)-beta(2)-alpha-beta; mixed sheet: order 213 |
| 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 |
| c.16.1 | Lumazine synthase | Lumazine synthase 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134 |
| d.193.1 | Hsp33 domain | Hsp33 domain 3 layers: beta/alpha/beta; buried helix |
| c.76.1 | Alkaline phosphatase-like | Alkaline phosphatase-like core:3 layers: a/b/a; mixed beta-sheet of 8 strands, order 43516728, strand 7 is antiparallel to the rest |
| 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 |
| 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 |
| e.26.1 | Prismane protein-like | Prismane protein-like 3 domains: (1) spectrin repeat-like 3-helical bundle; (2 and 3) alpha/beta: Rossmann-fold topology |
| c.23.14 | N-(deoxy)ribosyltransferase-like there are similar active site architectures as well as the catalytic mechanisms of functionally characterised members ! | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| 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.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.54.1 | PTS system fructose IIA component-like active dimer is formed by strand 5 swapping ! | PTS system fructose IIA component-like 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 21345; strand 5 is antiparallel to the rest |
| d.296.1 | YktB/PF0168-like | YktB/PF0168-like alpha-beta(4)-alpha-beta(2)-alpha-beta-alpha; 2 layers, a/b; antiparallel beta-sheet, order: 1234756; half-barrel shape; topological similarity to the MotA C-terminal domain-like fold (scop_cf 69651) and the Secretion chaperone-like fold (scop_cf 69634) |
| e.3.1 | beta-lactamase/transpeptidase-like | beta-lactamase/transpeptidase-like contains a cluster of helices and an alpha+beta sandwich |
| 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 |
| 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 |
| 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 |
| a.94.1 | Ribosomal protein L19 (L19e) | Ribosomal protein L19 (L19e) multihelical; consists of two different 3-helical domains connected by a long, partly helical linker |
| 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 |
| c.93.1 | Periplasmic binding protein-like I Similar in architecture to the superfamily II but partly differs in topology ! | Periplasmic binding protein-like I consists of two similar intertwined domain with 3 layers (a/b/a) each: duplication ! parallel beta-sheet of 6 strands, order 213456 |
| e.24.1 | Ribosomal protein L1 | Ribosomal protein L1 2 domains: (1) alpha+beta; (2) alpha/beta (interrupts domain 1) |
| d.270.1 | 2-isopropylmalate synthase LeuA, allosteric (dimerisation) domain | 2-isopropylmalate synthase LeuA, allosteric (dimerisation) domain duplication: consists of two beta(3)-alpha repeats; 3 layers, beta/alpha/beta |
| d.369.1 | SMI1/KNR4-like | SMI1/KNR4-like alpha(4)-beta(4)-alpha; 3 layers: a/b/a; antiparallel beta-sheet, order 1234(meander) |
| c.23.11 | Beta-D-glucan exohydrolase, C-terminal domain | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.127.1 | F420-dependent methylenetetrahydromethanopterin dehydrogenase (MTD) the sheet topology is similar to those of the Periplasmic binding protein-like I domains ! | F420-dependent methylenetetrahydromethanopterin dehydrogenase (MTD) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 213456 |
| 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.23.10 | SGNH hydrolase | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.51.2 | TolB, N-terminal domain | Anticodon-binding domain-like 3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest |
| 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] |
| c.125.1 | Creatininase | Creatininase 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134 |
| d.198.5 | YgaC/TfoX-N like overall similar to the Type III secretory system chaperone subunits; different shape of the beta-sheet | Secretion chaperone-like alpha-beta(3)-alpha-beta(2)-alpha; 2 layers: alpha/beta |
| c.126.1 | DNA polymerase III psi subunit | DNA polymerase III psi subunit 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 2134 |
| d.82.2 | Frataxin/Nqo15-like | N domain of copper amine oxidase-like alpha-beta(5)-alpha; 2 layers: alpha/beta; meander antiparallel sheet |
| c.143.1 | CofD-like | CofD-like 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 3214567; topological similarity to the CobT-like fold (scop_cf 52732) |
| 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 |
| c.113.1 | HemD-like | HemD-like duplication: consists of two similar 'swapped' domain with 3 layers (a/b/a) each; parallel beta-sheet of 5 strands, order 21345 |
| c.42.1 | Arginase/deacetylase | Arginase/deacetylase 3 layers: a/b/a, parallel beta-sheet of 8 strands, order 21387456 |
| c.145.1 | NadA-like | NadA-like duplication; consists of three similar domains related by pseudo threefold symmetry; 3 layers, a/b/a; parallel beta sheet, order: 2134 |
| c.99.1 | Dipeptide transport protein | Dipeptide transport protein 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456; also contains a C-terminal alpha+beta subdomain |
| f.1.3 | delta-Endotoxin (insectocide), N-terminal domain | Toxins' membrane translocation domains multi-helical domains of various folds which is thought to unfold in the membrane |
| d.58.16 | PAP/Archaeal CCA-adding enzyme, C-terminal domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| c.30.1 | PreATP-grasp domain precedes the ATP-grasp domain common to all superfamily members, can contain a substrate-binding function ! | PreATP-grasp domain 3 layers: a/b/a; parallel or mixed beta-sheet of 4 to 6 strands ! possible rudiment form of Rossmann-fold domain |
| c.64.1 | Pyruvate-ferredoxin oxidoreductase, PFOR, domain III | Pyruvate-ferredoxin oxidoreductase, PFOR, domain III 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 231456; strand 3 is antiparallel to the rest |
| c.1.10 | Aldolase Common fold covers whole protein structure ! | 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 |
| f.33.1 | Calcium ATPase, transmembrane domain M | Calcium ATPase, transmembrane domain M core: multihelical; consists of three transmembrane regions of 2, 2 and 6 helices, separated by cytoplasmic domains |
| d.261.1 | Hypothetical protein PH1602 | Hypothetical protein PH1602 complex alpha+beta fold; contains a region of similarity to the ferredoxin-like fold |
| d.198.1 | Type III secretory system chaperone-like | Secretion chaperone-like alpha-beta(3)-alpha-beta(2)-alpha; 2 layers: alpha/beta |
| c.74.1 | AraD/HMP-PK domain-like | AraD/HMP-PK domain-like 3 layers: a/b/a; mixed (mostly antiparallel) beta-sheet of 9 strands, order 432159876; left-handed crossover between strands 4 and 5 |
| 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 |
| c.1.13 | Malate synthase G | 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.195.1 | YopH tyrosine phosphatase N-terminal domain | YopH tyrosine phosphatase N-terminal domain consists of four alpha-helices and two beta-hairpins |
| e.23.1 | Acetyl-CoA synthetase-like | Acetyl-CoA synthetase-like 4 domains: (1&2) duplication: share the same alpha/beta fold; (3) beta-barrel; (4) alpha+beta |
| c.1.23 | FAD-linked oxidoreductase distinct cofactor-binding mode from both FMN- and NAD(P)-linked TIM-barrel oxidoreductases; families are related by a circular permutation ! | 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.86.1 | Phosphoglycerate kinase | Phosphoglycerate kinase consists of two non-similar domains, 3 layers (a/b/a) each ! Domain 1 has parallel beta-sheet of 6 strands, order 342156 ! Domain 2 has parallel beta-sheet of 6 strands, order 321456 |
| 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 |
| c.68.1 | Nucleotide-diphospho-sugar transferases | Nucleotide-diphospho-sugar transferases 3 layers: a/b/a; mixed beta-sheet of 7 strands, order 3214657; strand 6 is antiparallel to the rest |
| c.92.1 | Chelatase interdomain linker is short; swapping of C-terminal helices between the two domains ! | Chelatase-like duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134 |
| e.45.1 | Antivirulence factor | Antivirulence factor contains a helical bundle with a buried helix and an alpha+beta insert domain |
| c.51.4 | ITPase-like formerly Maf/Ham1; elaborated with additional structures inserted in the common fold ! | Anticodon-binding domain-like 3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest |
| 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 |
| c.51.5 | CinA-like | Anticodon-binding domain-like 3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest |
| d.34.1 | DNA-binding domain of Mlu1-box binding protein MBP1 has some topological similarity to the "winged helix" DNA-binding domain, to B1 and B5 domains of PheRS-beta (1PYS CH B) and to methyl-CpG-binding domain ! | DNA-binding domain of Mlu1-box binding protein MBP1 beta(4)-alpha(2)-beta(2)-alpha; antiparallel sheet: order 123465 |
| c.1.7 | NAD(P)-linked oxidoreductase | 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.1.28 | 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 |
| c.19.1 | FabD/lysophospholipase-like | FabD/lysophospholipase-like core: 3 layers, a/b/a; mixed beta-sheet of 6 strands, order 432156; strand 4 is antiparallel to the rest |
| d.352.1 | FlaG-like | FlaG-like alpha(2)-beta(3)-alpha; 2 layers: a/b; antiparallel beta-sheet, order: 123; partial similatity to the dsRBD-like fold(sop_cf 54767) |
| d.194.1 | CNF1/YfiH-like putative cysteine hydrolases | CNF1/YfiH-like putative cysteine hydrolases 4 layers: alpha/beta/beta/alpha; mixed beta sheets |
| d.128.1 | Glutamine synthetase/guanido kinase | Glutamine synthetase/guanido kinase duplication: common core consists of two beta-alpha-beta2-alpha repeats |
| b.118.1 | FAS1 domain | FAS1 domain core: barrel, closed; n=7, S=12; meander |
| d.210.1 | Argininosuccinate synthetase, C-terminal domain | Argininosuccinate synthetase, C-terminal domain unusual fold |
| c.20.1 | Initiation factor IF2/eIF5b, domain 3 | Initiation factor IF2/eIF5b, domain 3 3 layers, a/b/a; core: parallel beta-sheet of 4 strands, order 2134 |
| d.48.1 | RecA protein, C-terminal domain | Anti-LPS factor/recA domain alpha-beta(3)-alpha(2); 2 layers, alpha/beta |
| c.1.25 | Monomethylamine methyltransferase MtmB | 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.40.1 | Methylesterase CheB, C-terminal domain | Methylesterase CheB, C-terminal domain 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 3421567 |
| c.96.1 | Fe-only hydrogenase | Fe-only hydrogenase consist of two intertwined domains; contains partial duplication |
| d.58.39 | Glutamyl tRNA-reductase catalytic, N-terminal domain common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| c.1.17 | Nicotinate/Quinolinate PRTase C-terminal domain-like incomplete beta/alpha barrel with parallel beta-sheet of 7 strands ! | 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.82.4 | GAS2 domain-like this superfamily may include the most C-terminal domain of IBP39 ( | N domain of copper amine oxidase-like alpha-beta(5)-alpha; 2 layers: alpha/beta; meander antiparallel sheet |
| d.110.9 | GlcG-like alpha-beta(2)-alpha(3)-beta(2)-alpha; similar to the Roadblock/LC7 domain ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| c.85.1 | FucI/AraA N-terminal and middle domains | FucI/AraA N-terminal and middle domains consists of two domains of similar topology, 3 layers (a/b/a) each ! Domain 1 (1-173) has parallel beta-sheet of 5 strands, order 21345 ! Domain 2 (174-355) has parallel beta-sheet of 4 strands, order 2134 |
| c.148.1 | ComB-like | ComB-like contains of two similar intertwined domains related by pseudo dyad; duplication; core: 3 layers: a/b/a; parallel beta-sheet of 4 strands, order 1423 |
| 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 |
| c.52.3 | Eukaryotic RPB5 N-terminal domain | 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 |
| 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 |
| d.248.1 | Coproporphyrinogen III oxidase | Coproporphyrinogen III oxidase alpha-beta(6)-alpha(2)-beta-alpha(n); 3 layers alpha/beta/alpha; antiparallel sheet: order 1234567 |
| d.282.1 | SSo0622-like the dimer, formed in the crystals, is a probable biological unit ! | SSo0622-like alpha(2)-beta(2)-alpha-beta-alpha-beta(2)-alpha; 2 layers: a/b; antiparallel beta-sheet: order 21354; strands 1,3 and 5 and the C-terminal helix are longer than other secondary structures |
| 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.60.1 | Thermophilic metalloprotease-like | Thermophilic metalloprotease-like consists of two domains; d1: alpha/beta (3 layers, a/b/a; parralel beta-sheet, order 2134); d2: pseudo beta-barrel capped by helices |
| c.1.3 | Thiamin 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 |
| e.38.1 | Release factor | Release factor 4 domains: (1) 3-helical bundle; (2) alpha+beta of ferredoxin-like fold (3 and 4) alpha+beta of dsRDB-like fold |
| d.20.1 | UBC-like | UBC-like alpha-beta(4)-alpha(3); core: meander beta-sheet plus one helix 2 |
| d.50.2 | Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain | dsRBD-like alpha-beta(3)-alpha; 2 layers: alpha/beta |
| c.136.1 | Toprim domain this domain is also present in several multidomain proteins that are not split in scop yet: | Toprim domain 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 2134 |
| c.1.30 | CutC-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 |
| c.39.1 | Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT) | Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT) 3 layers: a/b/a, parallel beta-sheet of 7 strands, order 3214567 |
| d.258.1 | Chorismate synthase, AroC | Chorismate synthase, AroC duplication: consists of two DCoH-like beta(2)-alpha-beta(2)-alpha structural repeats; 3 layers, beta/alpha/beta |
| 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.364.1 | PA1123-like | PA1123-like irregular array of short helices and two three-stranded beta-sheets |
| c.1.31 | ThiG-like shares the common phosphate-binding site with other superfamilies ! | 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.47.2 | RNA 3'-terminal phosphate cyclase, RPTC, insert domain | Thioredoxin fold core: 3 layers, a/b/a; mixed beta-sheet of 4 strands, order 4312; strand 3 is antiparallel to the rest |
| c.51.6 | XCC0632-like short crossover loop between strands 2 and 3; the antiparallel part of the beta-sheet (strands 3, 4 and 5) and the C-terminal helix are quite long | Anticodon-binding domain-like 3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest |
| d.283.1 | Putative modulator of DNA gyrase, PmbA/TldD | Putative modulator of DNA gyrase, PmbA/TldD consists of two different alpha+beta domains; d1: [duplication of alpha-beta(3)-alpha motif; 2 layers: a/b; antiparallel beta-sheet, order: 321456; strands 1, 2, 4 and 5 are twice longer than other secondary structures]; d2 [ complex fold; contains beta-barrel (n=5, S=10)] |
| d.147.1 | Methenyltetrahydromethanopterin cyclohydrolase | Methenyltetrahydromethanopterin cyclohydrolase consists of two alpha+beta subdomains |
| c.1.14 | RuBisCo, C-terminal domain | 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.295.1 | TFB5-like | TFB5-like beta-alpha-beta(2)-alpha; 2 layers, a/b; antiparallel sheet, order: 132; dimerises in solution (PDB 2jnj) via extended N-terminal strand |
| e.43.1 | Subunits of heterodimeric actin filament capping protein Capz | Subunits of heterodimeric actin filament capping protein Capz 3 domains: (1) protozoan pheromone-like alpha-helical bundle; (2) rubredoxin-like domain lacking metal-binding site; (3) alpha+beta heterodimerisation domain: alpha-beta(5)-alpha |
| a.119.1 | Lipoxigenase | Lipoxigenase multihelical ! large nearly all-alpha domain |