| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| b.69.5 | RCC1/BLIP-II two families are clearly related but differ by the number of strands per blade ! | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| d.151.1 | DNase I-like | DNase I-like contains beta-sandwich; duplication of alpha+beta motif |
| b.29.1 | Concanavalin A-like lectins/glucanases | Concanavalin A-like lectins/glucanases sandwich; 12-14 strands in 2 sheets; complex topology |
| b.69.1 | Galactose oxidase, central domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.70.2 | C-terminal (heme d1) domain of cytochrome cd1-nitrite reductase | 8-bladed beta-propeller consists of eight 4-stranded beta-sheet motifs; meander ! also found in some members of the WD40-repeat superfamily |
| b.69.3 | Nitrous oxide reductase, N-terminal domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.30.5 | Galactose mutarotase-like probable carbohydrate-binding domain in enzymes acting on sugars ! | Supersandwich sandwich; 18 strands in 2 sheets |
| b.69.9 | Tricorn protease domain 2 distorted 7-bladed beta-propeller fold; possibly related to the N-terminal domain of tricorn protease (a 6-bladed beta-propeller) ! | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.69.4 | WD40 repeat-like also contains 8-bladed propellers ! | 7-bladed beta-propeller consists of seven 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 |
| b.69.13 | Oligoxyloglucan reducing end-specific cellobiohydrolase duplication: # two beta-propeller domains are swapped with the N-terminal strands; similar domain arrangment to the Actin interacting protein 1 ( | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.69.2 | YVTN repeat-like/Quinoprotein amine dehydrogenase | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.69.11 | Putative isomerase YbhE | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.69.14 | Nucleoporin domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.77.3 | Mannose-binding lectins | beta-Prism I consists of 3 4-stranded sheets; strands are parallel to the 3-fold axis ! duplication: has internal pseudo threefold symmetry |
| b.69.8 | Integrin alpha N-terminal domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.69.6 | Clathrin heavy-chain terminal domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.68.11 | Kelch motif | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.68.10 | GyrA/ParC C-terminal domain-like beta-pinwheel, a variant of beta-propeller fold; unlike an canonical beta-propeller, strands 1 and 4 of each four-strand repeat unit are in one blade whereas strands 2 and 3 are in the next blade ! | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.68.4 | TolB, C-terminal domain | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.69.10 | 3-carboxy-cis,cis-mucoante lactonizing enzyme | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.68.6 | Calcium-dependent phosphotriesterase | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.69.7 | Peptidase/esterase 'gauge' domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| 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 |
| b.70.3 | DPP6 N-terminal domain-like | 8-bladed beta-propeller consists of eight 4-stranded beta-sheet motifs; meander ! also found in some members of the WD40-repeat superfamily |
| b.68.9 | NHL repeat | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| 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] |
| b.3.4 | Transthyretin (synonym: prealbumin) | Prealbumin-like sandwich; 7 strands in 2 sheets, greek-key ! variations: some members have additional 1-2 strands to common fold |
| 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) |
| 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 |
| d.36.1 | Chalcone isomerase | Chalcone isomerase beta(3)-alpha(2)-beta-alpha(2)-beta3; 2 layers alpha/beta; antiparallel sheet: order 1234567 |
| b.68.1 | Sialidases | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.11.1 | gamma-Crystallin-like | gamma-Crystallin-like sandwich; 8 strands in 2 sheets; greek-key ! duplication: has internal pseudo twofold symmetry |
| 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 |
| b.68.2 | Soluble quinoprotein glucose dehydrogenase | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.130.1 | Heat shock protein 70kD (HSP70), peptide-binding domain | Heat shock protein 70kD (HSP70), peptide-binding domain beta-sandwich: 8 strands in 2 sheets |
| b.47.1 | Trypsin-like serine proteases | Trypsin-like serine proteases barrel, closed; n=6, S=8; greek-key ! duplication: consists of two domains of the same fold |
| b.67.2 | Arabinanase/levansucrase/invertase | 5-bladed beta-propeller consists of five 4-stranded beta-sheet motifs; meander |
| 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 |
| b.68.3 | Thermostable phytase (3-phytase) | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.70.1 | Quinoprotein alcohol dehydrogenase-like | 8-bladed beta-propeller consists of eight 4-stranded beta-sheet motifs; meander ! also found in some members of the WD40-repeat superfamily |
| b.163.1 | Bacteriophage trimeric proteins domain found in phage proteins that form trimers, but is not involved in the trimerisation ! | Pseudo beta-prism beta-sandwich with one regular beta-sheet and the other beta-sheet bent in the middle with a set of aligned beta-bulges |
| d.96.2 | ApbE-like duplication: contains two differently decorated beta(2)-alpha(2)-beta(2) subdomains, similar to other T-fold domains; probably does not form the tunnel-shaped oligomers ! | T-fold beta(2)-alpha(2)-beta(2); 2 layers: alpha/beta; antiparallel sheet 1234 ! tunnel-shaped: its known members form wide oligomeric barrels different sizes |
| b.9.1 | Neurophysin II duplication: composed of two structural repeats ! | Neurophysin II sandwich; 8 strands in 2 sheets; meander |
| 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 |
| g.93.1 | Zinc hairpin stack | Zinc hairpin stack stack of beta-hairpins; in the middle hairpins, there is HCxxCxxC motif, the first and the last residues of which contribute to the zinc-binding site on one side of hairpin, whereas the middle residues contribute to the zinc-binding site on the other side |
| 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 |
| b.68.5 | YWTD domain | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.66.1 | Hemopexin-like domain | 4-bladed beta-propeller consists of four 4-stranded beta-sheet motifs; meander |
| b.68.8 | Fucose-specific lectin | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.115.1 | Calcium-mediated lectin | Calcium-mediated lectin sandwich; 9 strands in 2 sheets; greek-key |
| b.68.7 | Tricorn protease N-terminal domain possibly related to the second domain of tricorn protease (a distorted 7-bladed beta-propeller) ! | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| 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.194.1 | CNF1/YfiH-like putative cysteine hydrolases | CNF1/YfiH-like putative cysteine hydrolases 4 layers: alpha/beta/beta/alpha; mixed beta sheets |
| d.177.1 | FAH | FAH unusual fold; contains 3 layers of beta-sheet structure |
| f.10.1 | Viral glycoprotein, central and dimerisation domains | Viral glycoprotein, central and dimerisation domains 2 intertwined domains; all-beta and alpha+beta |
| b.40.7 | CheW-like | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| b.64.1 | Mannose 6-phosphate receptor domain | Mannose 6-phosphate receptor domain barrel, partly open; n*=8, S*=10; one psi loop |
| b.78.1 | alpha-D-mannose-specific plant lectins | beta-Prism II consists of 3 4-stranded sheets; strands are perpendicular to the 3-fold axis ! duplication: consists of two domains of this fold |
| g.3.19 | Bubble protein | Knottins (small inhibitors, toxins, lectins) disulfide-bound fold; contains beta-hairpin with two adjacent disulfides |
| e.68.1 | YacF-like probable biological unit is a dimer | YacF-like 2 domains; d1: kinked four-helical bundle, inserted in d2: beta-sandwich of 7 strands in two sheets |
| d.256.1 | Ta1353-like | Ta1353-like core: beta-alpha-beta(2)-alpha-beta-alpha-beta; 3 layers: a/b/a; antiparallel beta-sheet of 5 strands; order: 51423; |
| d.137.1 | Monooxygenase (hydroxylase) regulatory protein duplication: consists of two beta-alpha-(beta)-beta(2) motifs; some topological similarity to the ferredoxin-like fold ! | Monooxygenase (hydroxylase) regulatory protein corner-like structure formed by two sheets and filled in with 2-3 helices |
| b.33.1 | ISP domain | ISP domain consists of two all-beta subdomains: conserved small domain has a rubredoxin-like fold; larger domain consists of 6 beta-stands packed in either sandwich of two 3-stranded sheets or closed barrel (n=6; S=8) |
| b.67.1 | Tachylectin-2 | 5-bladed beta-propeller consists of five 4-stranded beta-sheet motifs; meander |
| b.30.2 | Amine oxidase catalytic domain | Supersandwich sandwich; 18 strands in 2 sheets |
| b.80.3 | Cell-division inhibitor MinC, C-terminal domain superhelix turns are made of three short strands each ! | Single-stranded right-handed beta-helix superhelix turns are made of parallel beta-strands and (short) turns |
| b.30.6 | V-region of surface antigen I/II (SA I/II, PAC) | Supersandwich sandwich; 18 strands in 2 sheets |
| b.149.1 | Beta-galactosidase LacA, domain 3 | Beta-galactosidase LacA, domain 3 sandwich; 8 strands in 2 sheets |
| b.32.1 | gp9 | gp9 consists of two different beta-sandwich domains unrelated to other beta-sandwich folds |
| b.84.3 | Duplicated hybrid motif half-barrel sheet of 8 strands sandwiched with two 3-stranded sheets ! | Barrel-sandwich hybrid sandwich of half-barrel shaped beta-sheets |
| b.155.1 | L21p-like | L21p-like core: sandwich, 6 strands in 2 sheets |
| b.119.1 | C-terminal autoproteolytic domain of nucleoporin nup98 | C-terminal autoproteolytic domain of nucleoporin nup98 multisheet protein with a mixture of beta-sandwich and beta-prism features |
| b.84.1 | Single hybrid motif 7 to 8 strands in 2 beta-sheets ! | Barrel-sandwich hybrid sandwich of half-barrel shaped beta-sheets |
| 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 |
| b.126.1 | Adsorption protein p2 | Adsorption protein p2 multisheet protein containing partial beta-propeller and beta-sandwich regions |
| 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 |
| b.77.1 | Vitelline membrane outer protein-I (VMO-I) | beta-Prism I consists of 3 4-stranded sheets; strands are parallel to the 3-fold axis ! duplication: has internal pseudo threefold symmetry |
| b.91.1 | E2 regulatory, transactivation domain | E2 regulatory, transactivation domain complex fold made of bifurcated and coiled beta-sheets |
| d.35.1 | Heme-binding protein A (HasA) | Heme-binding protein A (HasA) beta-alpha-beta(6)-alpha(2); antiparallel sheet: order 165432 |
| b.176.1 | AttH-like | AttH-like duplication: two flattened beta-barrels of lipocalin-like topology are orthogonally packed with a pseudo twofold symmetry |
| f.4.3 | Porins | Transmembrane beta-barrels not a true fold, gathers together transmembrane barrels of different (n,S) |
| 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.27.1 | Soluble secreted chemokine inhibitor, VCCI | Soluble secreted chemokine inhibitor, VCCI sandwich; 11 strands in 2 sheets; greek-key |
| b.172.1 | YopX-like conmrises proteins of plasmid and phage origins | YopX-like consists of two domains: the N-terminal dimerisation domain of variable structure and the C-terminal domain with similarity to the SH3-like fold |
| 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 |
| b.1.5 | Transglutaminase, two C-terminal domains | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.129.1 | AbrB/MazE/MraZ-like members of this superfamily are known or predicted to have DNA-binding function ! | Double-split beta-barrel pseudobarrel; capped on both ends by alpha-helices |
| 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) |
| 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) |
| f.6.1 | Leukocidin-like | Leukocidin-like subunit fold contains beta-sandwich of Ig-like (grerk-key) topology and a beta-ribbon arm that forms an oligomeric transmembrane barrel |
| b.128.1 | Hypothetical protein YojF | Hypothetical protein YojF pseudobarrel; capped at one end by an alpha-helix |
| b.90.1 | Head-binding domain of phage P22 tailspike protein | Head-binding domain of phage P22 tailspike protein complex fold made of bifurcated and partly folded beta-sheet |
| b.105.1 | Penicillin-binding protein associated domain | Penicillin-binding protein associated domain sandwich; 6 strands in 2 sheets |
| d.281.1 | Hemolytic lectin CEL-III, C-terminal domain | Hemolytic lectin CEL-III, C-terminal domain unusual fold |
| a.102.5 | Family 10 polysaccharide lyase | alpha/alpha toroid multihelical; up to seven alpha-hairpins are arranged in closed circular array; there may be sequence similarities between different superfamilies |
| f.7.1 | Lipovitellin-phosvitin complex; beta-sheet shell regions | Lipovitellin-phosvitin complex; beta-sheet shell regions contains several large open beta-sheets |
| b.59.1 | XRCC4, N-terminal domain an HTH motif connects strands 4 and 5 ! | XRCC4, N-terminal domain barrel, closed; n=7, S=10; order: 1234765; strands 1 and 5 are parallel to each other |
| d.62.1 | Pepsin inhibitor-3 | Pepsin inhibitor-3 duplication of beta(3)-alpha(2) motif: meander beta sheets form barrel-like structure |
| d.125.1 | Ornithine decarboxylase C-terminal domain | Ornithine decarboxylase C-terminal domain complex alpha+beta motif |
| e.2.1 | Replication terminator protein (Tus) | Replication terminator protein (Tus) contains a cluster of helices and a beta-sandwich |
| 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 |