| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| c.37.1 | P-loop containing nucleoside triphosphate hydrolases division into families based on beta-sheet topologies ! | P-loop containing nucleoside triphosphate hydrolases 3 layers: a/b/a, parallel or mixed beta-sheets of variable sizes |
| 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 |
| 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 |
| 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.66.1 | S-adenosyl-L-methionine-dependent methyltransferases | S-adenosyl-L-methionine-dependent methyltransferases core: 3 layers, a/b/a; mixed beta-sheet of 7 strands, order 3214576; strand 7 is antiparallel to the rest |
| 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 |
| e.22.1 | Dehydroquinate synthase-like | Dehydroquinate synthase-like 2 domains: (1) alpha/beta of a Rossmann-fold topology, binds NAD (2) multihelical array |
| c.80.1 | SIS domain | SIS domain 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 21345 |
| 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.46.1 | Rhodanese/Cell cycle control phosphatase | Rhodanese/Cell cycle control phosphatase 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32451 |
| c.26.2 | Adenine nucleotide alpha hydrolases-like share similar mode of ligand (Adenosine group) binding ! can be subdivided into two group with closer relationships within each group than between the groups; the first three families form one group whereas the last two families form the other group ! | Adenine nucleotide alpha hydrolase-like core: 3 layers, a/b/a ; parallel beta-sheet of 5 strands, order 32145 |
| 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.23.6 | Cobalamin (vitamin B12)-binding domain | Flavodoxin-like 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
| c.49.1 | PK C-terminal domain-like | Pyruvate kinase C-terminal domain-like 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32145, strand 5 is antiparallel to the rest |
| c.42.1 | Arginase/deacetylase | Arginase/deacetylase 3 layers: a/b/a, parallel beta-sheet of 8 strands, order 21387456 |
| c.82.1 | ALDH-like binds NAD differently from other NAD(P)-dependent oxidoreductases ! | ALDH-like consists of two similar domains with 3 layers (a/b/a) each; duplication ! core: parallel beta-sheet of 5 strands, order 32145 |
| c.78.1 | Aspartate/ornithine carbamoyltransferase | ATC-like consists of two similar domains related by pseudo dyad; duplication ! core: 3 layers, a/b/a, parallel beta-sheet of 4 strands, order 2134 |
| d.126.1 | Pentein | Pentein, beta/alpha-propeller duplication: composed of 5 alpha-beta(2)-alpha-beta units arranged around pseudo fivefold axis |
| c.124.1 | NagB/RpiA/CoA transferase-like | NagB/RpiA/CoA transferase-like core: 3 layers: a/b/a; parallel or mixed beta-sheet of 6 strands, order 321456 |
| 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.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.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 |
| c.103.1 | MTH938-like | MTH938-like core: 3 layers, b+a/b/a ; the central mixed sheet of 5 strands: order 21534; strand 2 is antiparallel to the rest |
| 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 |
| c.59.1 | MurD-like peptide ligases, peptide-binding domain | MurD-like peptide ligases, peptide-binding domain 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 126345; strand 1 is antiparallel to the rest |
| 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 |
| d.174.1 | Nitric oxide (NO) synthase oxygenase domain | Nitric oxide (NO) synthase oxygenase domain unusual fold |
| d.79.2 | Tubulin C-terminal domain-like | Bacillus chorismate mutase-like core: beta-alpha-beta-alpha-beta(2); mixed beta-sheet: order: 1423, strand 4 is antiparallel to the rest |
| c.90.1 | Tetrapyrrole methylase | Tetrapyrrole methylase consists of two non-similar domains ! Domain 1 has parallel sheet of 5 strands, order 32415 ! Domain 2 has mixed sheet of 5 strands, order 12534; strands 4 & 5 are antiparallel to the rest |
| 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 |
| 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.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.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 |
| 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.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.61.1 | PRTase-like | PRTase-like core: 3 layers, a/b/a; mixed beta-sheet of 6 strands, order 321456; strand 3 is antiparallel to the rest |
| d.79.3 | L30e-like | Bacillus chorismate mutase-like core: beta-alpha-beta-alpha-beta(2); mixed beta-sheet: order: 1423, strand 4 is antiparallel to the rest |
| c.28.1 | Cryptochrome/photolyase, N-terminal domain | Cryptochrome/photolyase, N-terminal domain 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like |
| 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.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.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 |
| c.67.2 | PhnH-like single domain protein of similar topology to the core domain of PLP-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 |
| c.52.2 | tRNA-intron endonuclease catalytic domain-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 |
| 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.16.1 | Lumazine synthase | Lumazine synthase 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 |
| e.25.1 | Sec1/munc18-like (SM) proteins | Sec1/munc18-like (SM) proteins 3 domains: (1 and 2) alpha+beta; (3) mostly alpha, inserted in domain 2 |
| c.150.1 | EreA/ChaN-like there are four conserved residues in the putative active site: two His and two Glu | EreA/ChaN-like Core: 3 layers: a/b/a; parallel beta-sheet of 5 strands, order:51423; |
| 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 |
| d.183.1 | Major capsid protein gp5 possibly related to the hypothetical protein PF0899 superfamily ( | Major capsid protein gp5 unusual fold; contains PF0899-like core, decorated with additional structure |
| c.105.1 | 2,3-Bisphosphoglycerate-independent phosphoglycerate mutase, substrate-binding domain | 2,3-Bisphosphoglycerate-independent phosphoglycerate mutase, substrate-binding domain core:3 layers: a/b/a; mixed beta-sheet of 8 strands, order 45321678, strands 4 and 5 are antiparallel to the rest |
| c.78.2 | Aspartate/glutamate racemase | ATC-like consists of two similar domains related by pseudo dyad; duplication ! core: 3 layers, a/b/a, parallel beta-sheet of 4 strands, order 2134 |
| c.104.1 | YjeF N-terminal domain-like possible circular permutation of the ribokinase-like fold (of the YjeF C-terminal domain) ! | YjeF N-terminal domain-like 3 layers: a/b/a; mixed (mainly parallel) beta-sheet of 8 strands, order 32145678; strand 8 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 |
| c.38.1 | PTS IIb component | PTS IIb component 3 layers: a/b/a, parallel beta-sheet of 6 strands, order 324156 |
| c.135.1 | NIF3 (NGG1p interacting factor 3)-like di-iron binding protein ! | NIF3 (NGG1p interacting factor 3)-like consist of two intertwined domains; duplication: contains two structural repeats of alpha-beta-(beta-alpha)3 motif with mixed beta-sheet, order: 1432, strand 1 is antiparallel to the rest |
| c.96.1 | Fe-only hydrogenase | Fe-only hydrogenase consist of two intertwined domains; contains partial duplication |
| c.71.1 | Dihydrofolate reductase-like | Dihydrofolate reductase-like 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 34251687; strand 8 is antiparallel to the rest |
| 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.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.133.1 | RbsD-like | RbsD-like 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 251634; strand 6 is antiparallel to the rest |
| d.147.1 | Methenyltetrahydromethanopterin cyclohydrolase | Methenyltetrahydromethanopterin cyclohydrolase consists of two alpha+beta subdomains |
| 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 |
| c.26.3 | UDP-glucose/GDP-mannose dehydrogenase C-terminal domain | Adenine nucleotide alpha hydrolase-like core: 3 layers, a/b/a ; parallel beta-sheet of 5 strands, order 32145 |
| 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.116.1 | YbaK/ProRS associated domain | YbaK/ProRS associated domain core: alpha-beta-alpha-beta(2)-(alpha-beta)2-alpha-beta(2)-alpha-beta; 3 layers; bifurcated mixed sheet |
| 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.178.1 | Aromatic aminoacid monoxygenases, catalytic and oligomerization domains | Aromatic aminoacid monoxygenases, catalytic and oligomerization domains unusual fold |
| d.75.2 | DNA repair protein MutS, domain I | MutS N-terminal domain-like beta(2)-alpha-beta(2)-alpha-beta(2); 2 layers, alpha/beta |
| c.100.1 | Thiamin pyrophosphokinase, catalytic domain | Thiamin pyrophosphokinase, catalytic domain 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 432156 |
| 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 |
| 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 |
| 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 |
| 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) |