| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| 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 |
| b.71.1 | Glycosyl hydrolase domain this domain is C-terminal to the catalytic beta/alpha barrel domain ! | Glycosyl hydrolase domain folded sheet; greek-key |
| d.3.1 | Cysteine proteinases the constitute families differ by insertion into and circular permutation of the common catalytic core made of one alpha-helix and 3-strands of beta-sheet ! | Cysteine proteinases consists of one alpha-helix and 4 strands of antiparallel beta-sheet and contains the catalytic triad Cys-His-Asn |
| d.17.2 | Amine oxidase N-terminal region | Cystatin-like Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet |
| d.312.1 | TM1622-like | TM1622-like alpha-beta(3)-alpha-beta(4)-alpha; 3 layers, a/b/a; antiparallel beta-sheet, order: 1237654 |
| d.156.1 | S-adenosylmethionine decarboxylase | S-adenosylmethionine decarboxylase duplication of beta-alpha-beta(4)-alpha-beta-alpha-beta(2) motif; 4 layers a/b/b/a; antiparallel beta-sheets: order 23451687 |
| b.61.2 | beta-Barrel protease inhibitors | Streptavidin-like barrel, closed; n=8, S=10; meander |
| b.113.1 | N-terminal domain of MutM-like DNA repair proteins | N-terminal domain of MutM-like DNA repair proteins pseudobarrel; capped on both ends by alpha-helices |
| 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.131.1 | DNA clamp | DNA clamp contains two helices and two beta sheets ! duplication: fold has internal pseudo two-fold symmetry |
| 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.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 |
| 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 |
| d.129.3 | Bet v1-like contains a single copy of this fold with a alpha-beta2 insertion after the first helix; there is a cavity between the beta-sheet and the long C-terminal helix ! | TBP-like beta-alpha-beta(4)-alpha |
| d.17.1 | Cystatin/monellin has a additional strand at the N-terminus ! | Cystatin-like Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet |
| e.1.1 | Serpins | Serpins contains a cluster of helices and a beta-sandwich |
| 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 |
| d.98.2 | BT0923-like Duplication: tandem repeat of two similar structural subdomains, which associate like the BLIP repeats but differ from them by transposition of the helices | BLIP-like alpha(2)-beta(4); 2 layers: alpha/beta |
| d.20.1 | UBC-like | UBC-like alpha-beta(4)-alpha(3); core: meander beta-sheet plus one helix 2 |
| d.129.2 | Phosphoglucomutase, C-terminal domain contains a single copy of this fold and an extra beta-strand at the C-terminus ! | TBP-like beta-alpha-beta(4)-alpha |
| d.136.1 | Phospholipase D/nuclease | Phospholipase D/nuclease beta-alpha-beta-alpha-beta-alpha-beta(4)-alpha; mixed sheet: order 1765234 |
| d.129.10 | YwmB-like duplication: tandem repeat of two circularly permuted motifs, alpha-beta-alpha-beta(4), assembled as in the TATA-box binding domain; forms a swapped dimer by exchanging the equivalent parts of the C-terminal motifs ! | TBP-like beta-alpha-beta(4)-alpha |
| d.98.1 | beta-lactamase-inhibitor protein, BLIP | BLIP-like alpha(2)-beta(4); 2 layers: alpha/beta |
| d.104.1 | Class II aaRS and biotin synthetases | Class II aaRS and biotin synthetases contains large mixed beta-sheet |
| b.69.14 | Nucleoporin domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| d.17.5 | Uracil-DNA glycosylase inhibitor protein has an additional strand at the C-terminus and a helix inserted after the first strand ! | Cystatin-like Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet |
| b.125.1 | Prokaryotic lipoproteins and lipoprotein localization factors | LolA-like prokaryotic lipoproteins and lipoprotein localization factors 11 stranded sheet partly folded in a corner-like structure filled with a few short helices |
| 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) |
| 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 |
| 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 |
| 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.81.3 | FwdE-like contains extra N-terminal and C-terminal structures ! | FwdE/GAPDH domain-like core: alpha-beta-alpha-beta(3); mixed sheet: 2134, strand 2 is parallel to strand 1 |
| e.41.1 | Adenylylcyclase toxin (the edema factor) Domain 1 has topological and active site similarity to the Nucleotidyltransferases (eg. 1kny N-domain); domain 3 binds calmodulin ! | Adenylylcyclase toxin (the edema factor) 3 domains: (1&2) alpha+beta, with domain 2 being inserted in domain 1; (3) all-alpha |
| d.17.7 | Putative dsDNA mimic elaborated with additional structures; some similarity to Uracil-DNA glycosylase (UGI) and Nuclease A (NuiA) inhibitors ! | Cystatin-like Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet |
| 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.383.1 | PG1388-like | PG1388-like consists of 2 alpha+beta subdomains, each having a meander beta-sheet; d1: alpha(2)-beta(7); d2: alpha(2)-beta(2)-alpha(2)-beta(2) |
| b.69.3 | Nitrous oxide reductase, N-terminal domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.67.3 | Apyrase distorted propeller with an alpha helix inserted between the second and third blades ! | 5-bladed beta-propeller consists of five 4-stranded beta-sheet motifs; meander |
| d.107.1 | Mog1p/PsbP-like | Mog1p/PsbP-like (beta-hairpin)-beta(3)-alpha-beta(4)-alpha; 3 layers: a/b/a; antiparallel beta-sheet of 7 strands; order: 1237654 |
| d.233.1 | Inhibitor of vertebrate lysozyme, Ivy | Inhibitor of vertebrate lysozyme, Ivy alpha(2)-beta(5)-alpha(2); 3 layers a/b/a; meander beta-sheet |
| d.17.3 | DsbC/DsbG N-terminal domain-like | Cystatin-like Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet |
| 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.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 |
| 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 |
| d.127.1 | Creatinase/aminopeptidase | Creatinase/aminopeptidase duplication: composed of two very similar alpha+beta folds |
| d.197.1 | Protein-L-isoaspartyl O-methyltransferase, C-terminal domain | Protein-L-isoaspartyl O-methyltransferase, C-terminal domain beta-alpha-beta(4)-alpha-beta(2); 3 layers: beta/alpha/beta; buried helix |
| d.221.1 | Nuclease A inhibitor (NuiA) some structural similarity to Uracil-DNA glycosylase inhibitor and putative dsDNA mimic HI1450 of the cystatin-like fold ! | Nuclease A inhibitor (NuiA) alpha-beta-alpha-beta-alpha(2)-beta(3); antiparallel beta-sheet; order: 15432 |
| 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.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) |
| 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.82.2 | Frataxin/Nqo15-like | N domain of copper amine oxidase-like alpha-beta(5)-alpha; 2 layers: alpha/beta; meander antiparallel sheet |
| c.88.1 | Glutaminase/Asparaginase | Glutaminase/Asparaginase consists of two non-similar alpha/beta domains, 3 layers (a/b/a) each ! Domain 1 has mixed beta-sheet of 6 strands, order 213456, strand 6 is antiparallel to the rest; left-handed crossover connection between strands 4 and 5 ! Domain 2 has parallel beta-sheet of 4 strands, order 1234 |
| d.198.4 | YdhG-like some similarity to YjbR-like (scop_sf 136320) | Secretion chaperone-like alpha-beta(3)-alpha-beta(2)-alpha; 2 layers: alpha/beta |
| d.129.7 | TT1751-like contains a single copy of this fold decorated with additional structures; forms dimer ! | TBP-like beta-alpha-beta(4)-alpha |
| b.69.2 | YVTN repeat-like/Quinoprotein amine dehydrogenase | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.28.1 | Baculovirus p35 protein has a few helices inserted in loops ! | Baculovirus p35 protein sandwich; 14 strands in 2 sheets; greek-key |
| e.47.1 | 39 kda initiator binding protein, IBP39, C-terminal domains | 39 kda initiator binding protein, IBP39, C-terminal domains 2 closely associated domains: (1) all-alpha, EF-hand like; (2) alpha+beta, Frataxin-like |
| d.342.1 | PH1570-like | PH1570-like duplication: two beta(4)-alpha structural repeats, related by pseudo twofold symmetry; two extra helices in the linker region; single 8-standed antiparallel beta-sheet, order: 12348765 |
| b.176.1 | AttH-like | AttH-like duplication: two flattened beta-barrels of lipocalin-like topology are orthogonally packed with a pseudo twofold symmetry |
| d.376.1 | Lp2179-like | Lp2179-like beta(2)-alpha-beta(4)-alpha-beta; contains two antiparallel beta-sheets (orders: 127 and 3456) packed against the longer C-terminal helix |
| 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.147.1 | Methenyltetrahydromethanopterin cyclohydrolase | Methenyltetrahydromethanopterin cyclohydrolase consists of two alpha+beta subdomains |
| d.81.2 | Serine metabolism enzymes domain contains extra C-terminal beta-hairpin ! | FwdE/GAPDH domain-like core: alpha-beta-alpha-beta(3); mixed sheet: 2134, strand 2 is parallel to strand 1 |
| e.13.1 | DNA primase core | DNA primase core 2 domains: (1) alpha+beta; (2) toprim alpha/beta |
| 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 |
| e.70.1 | MalF N-terminal region-like | MalF N-terminal region-like consists of 3 N-terminal transmembrane helices, an alpha+beta linker domain and a beta-barrel (n=7; S=8) with one overside loop |
| d.82.1 | Copper amine oxidase, domain N | N domain of copper amine oxidase-like alpha-beta(5)-alpha; 2 layers: alpha/beta; meander antiparallel sheet |
| d.82.5 | GK1464-like dimer; pseudo barrel; the true dimeric barrel formation requires swapping of the C-ternimal beta-alpha units ! | N domain of copper amine oxidase-like alpha-beta(5)-alpha; 2 layers: alpha/beta; meander antiparallel sheet |
| 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 |
| d.63.1 | CYTH-like phosphatases | CYTH-like phosphatases duplication of beta-alpha-beta(3) motif: antiparallel beta sheet forms wide barrel (n=8, S=16) with a channel running through it |
| 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 |
| 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 |
| d.83.1 | Bactericidal permeability-increasing protein, BPI duplication: consists of two clear structural repeats of this fold also containing an extra C-terminal beta-hairpin ! | Aha1/BPI domain-like core: [beta]-alpha-beta(5)-alpha; 2 layers: alpha/beta; antiparallel beta-sheet, meander |
| b.34.19 | Mib/herc2 domain-like | SH3-like barrel barrel, partly opened; n*=4, S*=8; meander ! the last strand is interrupted by a turn of 3-10 helix |
| 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.297.1 | WGR domain-like | WGR domain-like beta(4)-alpha-X-beta; 2 layers, a/b; antiparallel beta-sheet, order 51234; the beta-hairpin insetrion in strand 1 results in the formation of a beta-triangle structure |
| d.129.5 | MoaD-related protein, C-terminal domain contains a single copy of this fold ! | TBP-like beta-alpha-beta(4)-alpha |
| d.103.1 | CytB endotoxin-like | CytB endotoxin-like core: beta-alpha(2)-beta-alpha(2)-beta(4); 3 layers: a/b/a |
| 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 |
| e.32.1 | Phase 1 flagellin | Phase 1 flagellin 3 domains: (1) alpha-helical bundle; (2&3) complex all-beta folds |
| d.83.2 | Activator of Hsp90 ATPase, Aha1 consists of a single domain of this fold ! | Aha1/BPI domain-like core: [beta]-alpha-beta(5)-alpha; 2 layers: alpha/beta; antiparallel beta-sheet, meander |
| b.118.1 | FAS1 domain | FAS1 domain core: barrel, closed; n=7, S=12; meander |
| 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 |
| f.8.1 | Aerolisin/ETX pore-forming domain | Aerolisin/ETX pore-forming domain 3 domains: (1) alpha+beta; (2&3) all-beta |