| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| d.26.1 | FKBP-like | FKBP-like core: beta(2)-alpha-beta(2); antiparallel beta-sheet |
| 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 |
| e.3.1 | beta-lactamase/transpeptidase-like | beta-lactamase/transpeptidase-like contains a cluster of helices and an alpha+beta sandwich |
| 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 |
| d.110.4 | SNARE-like beta(2)-alpha-beta(3)-alpha(2) ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| d.205.1 | GTP cyclohydrolase I feedback regulatory protein, GFRP | GTP cyclohydrolase I feedback regulatory protein, GFRP beta(2)-alpha-beta(2)-alpha-beta(2); 2 layers, alpha/beta, antiparallel beta-sheet: order 342165 |
| d.110.2 | GAF domain-like alpha(2)-beta(3)-alpha-beta(3)-alpha; antiparallel beta-sheet: order 321654 ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| d.110.7 | Roadblock/LC7 domain alpha-beta(2)-alpha-beta(3)-alpha; structurally most similar to the SNARE-like superfamily with a circular permutation of the terminal helices ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| b.114.1 | N-utilization substance G protein NusG, insert domain | N-utilization substance G protein NusG, insert domain sandwich; 8 strands in 2 sheets; meander |
| d.110.5 | Pheromone-binding domain of LuxR-like quorum-sensing transcription factors alpha(2)-beta(2)-alpha(2)-beta(3)-alpha; possibly related to the PAS domain ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| d.53.1 | Ribosomal protein S3 C-terminal domain | Ribosomal protein S3 C-terminal domain alpha(2)-beta(4); 2 layers: alpha/beta; antiparallel beta-sheet: order 2143 |
| 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.23.1 | Tubby C-terminal domain-like | Tubby C-terminal domain-like beta-sheet folds into a barrel (n=12, S=12) around the central helix |
| d.110.1 | Profilin (actin-binding protein) alpha-beta(2)-alpha-beta(5)-alpha ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| 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] |
| b.22.1 | TNF-like | TNF-like sandwich, 10 strands in 2 sheets; jelly-roll |
| d.77.1 | RL5-like | RL5-like beta-alpha-beta(2)-alpha-beta(3)-alpha; 2 layers, alpha/beta; antiparallel beta-sheet: order 231654 |
| b.7.1 | C2 domain (Calcium/lipid-binding domain, CaLB) two constituent families are related by circular permutation ! | C2 domain-like sandwich; 8 strands in 2 sheets; greek-key |
| 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 |
| b.115.1 | Calcium-mediated lectin | Calcium-mediated lectin sandwich; 9 strands in 2 sheets; greek-key |
| d.110.10 | YNR034W-A-like | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| b.26.1 | SMAD/FHA domain has a few short helices inserted in loops ! | SMAD/FHA domain sandwich; 11 strands in 2 sheets; greek-key |
| d.124.1 | Ribonuclease Rh-like | Ribonuclease Rh-like alpha+beta fold |
| d.110.3 | PYP-like sensor domain (PAS domain) alpha-beta(2)-alpha(2)-beta(3) ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| c.8.4 | PA domain | The "swivelling" beta/beta/alpha domain 3 layers: b/b/a; the central sheet is parallel, and the other one is antiparallel; there are some variations in topology ! this domain is thought to be mobile in most multi-domain proteins known to contain it |
| d.264.1 | Prim-pol domain | Prim-pol domain consists of two alpha+beta domains |
| b.175.1 | FomD-like | FomD barrel-like barrel, closed; n=8, S=12; meander; similar topology to the AOC barrel-like fold (reversed to the lipocalin barrel topology) |
| b.128.1 | Hypothetical protein YojF | Hypothetical protein YojF pseudobarrel; capped at one end by an alpha-helix |
| c.8.3 | Carbamoyl phosphate synthetase, small subunit N-terminal domain | The "swivelling" beta/beta/alpha domain 3 layers: b/b/a; the central sheet is parallel, and the other one is antiparallel; there are some variations in topology ! this domain is thought to be mobile in most multi-domain proteins known to contain it |
| d.276.1 | Hypothetical protein yfbM | Hypothetical protein yfbM beta-alpha(2)-beta-alpha(2)-beta(2)-alpha(n)-beta; 3 layers: a/b/a; antiparallel beta-sheet, order: 21543 |
| d.110.6 | Sensory domain-like alpha(2)-beta(2)-alpha(2)-beta(3); possibly related to the PAS domain ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| 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 |
| b.44.1 | EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain probably related to the second domain and its superfamiy by a circular permutation ! | Elongation factor/aminomethyltransferase common domain barrel, closed; n=6, S=10; greek-key |
| d.110.8 | YeeU-like beta(2)-alpha-beta(3); 2 layers, a/b; there is an oligomerization interface instead of the 'missing' helical layer ! | Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha |
| b.61.1 | Avidin/streptavidin | Streptavidin-like barrel, closed; n=8, S=10; meander |
| 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 |
| f.4.3 | Porins | Transmembrane beta-barrels not a true fold, gathers together transmembrane barrels of different (n,S) |
| b.43.3 | Translation proteins | Reductase/isomerase/elongation factor common domain barrel, closed; n=6, S=10; greek-key |
| b.55.1 | PH domain-like | PH domain-like barrel barrel, partly opened; n*=6, S*=12; meander; capped by an alpha-helix |
| d.109.3 | FLJ32549 C-terminal domain-like alpha-beta(2)-alpha-beta(3)-alpha; similar to the Roadblock/LC7 domain | Gelsolin-like 3 layers: a/b/a; contains mixed beta-sheet |
| 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] |
| b.49.3 | Aminopeptidase/glucanase lid domain | Domain of alpha and beta subunits of F1 ATP synthase-like barrel, closed; n=6, S=8; greek-key |
| b.61.4 | Quinohemoprotein amine dehydrogenase A chain, domain 3 | Streptavidin-like barrel, closed; n=8, S=10; meander |
| b.61.2 | beta-Barrel protease inhibitors | Streptavidin-like barrel, closed; n=8, S=10; meander |
| d.26.2 | Colicin E3 immunity protein | FKBP-like core: beta(2)-alpha-beta(2); antiparallel beta-sheet |
| d.58.7 | RNA-binding domain, RBD | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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 |
| 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.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.26.3 | Chitinase insertion domain | FKBP-like core: beta(2)-alpha-beta(2); antiparallel beta-sheet |
| b.62.1 | Cyclophilin-like | Cyclophilin-like barrel, closed; n=8, S=10; complex topology |
| 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 |
| 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 |
| b.61.5 | Dipeptidyl peptidase I (cathepsin C), exclusion domain | Streptavidin-like barrel, closed; n=8, S=10; meander |
| d.171.1 | Fibrinogen C-terminal domain-like | Fibrinogen C-terminal domain-like unusual fold |
| d.347.1 | Acetoacetate decarboxylase-like | Acetoacetate decarboxylase-like complex fold: contains a 3-layer beta-sheet structure, which is folded in two conjoint barrels capped by helices; one rounded barrel has 7 strands, the other flattened barrel has 9 strands |
| b.177.1 | YmcC-like | YmcC-like 12-stranded meander beta-sheet, folded into a deformed beta-barrel; topological similarity to the LolA-like fold (scop_cf 89391) |
| f.46.1 | HlyD-like secretion proteins | HlyD-like secretion proteins consists of three domains: beta-barrel (res. 29-38,170-259; scop_cf 50412); barrel-sandwich hybrid (39-72,135-169; scop_sf 51230) and long alpha-hairpin (73-134; scop_cf 46556) |
| d.172.1 | gp120 core | gp120 core unusual fold |
| b.61.3 | D-aminopeptidase, middle and C-terminal domains | Streptavidin-like barrel, closed; n=8, S=10; meander |
| d.343.1 | MM3350-like | MM3350-like beta(2)-alpha-beta(4); antiparallel beta-sheet; order: 216534; similar to a ubiquitin-like fold with the extra C-terminal strand inserted in the middle of the beta-sheet |
| b.141.1 | Bacterial fluorinating enzyme, C-terminal domain | Bacterial fluorinating enzyme, C-terminal domain barrel, closed; n=7, S=10; greek-key topology; one overside connection |
| f.4.1 | OMPA-like forms (8,10) barrel ! | Transmembrane beta-barrels not a true fold, gathers together transmembrane barrels of different (n,S) |
| d.290.1 | AF0104/ALDC/Ptd012-like characteristic metal ion (zinc)-binding motif in the putative active site ! | AF0104/ALDC/Ptd012-like duplication: consists of two similar beta-alpha-beta(4) motifs |
| b.60.1 | Lipocalins bind hydrophobic ligands in their interior ! | Lipocalins barrel, closed or opened; n=8, S=12; meander |
| b.20.1 | ENV polyprotein, receptor-binding domain | ENV polyprotein, receptor-binding domain sandwich; 9 strands in 2 sheets; greek-key; contains a few helices in loop regions |
| 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 |
| b.161.1 | PTSIIA/GutA-like | PTSIIA/GutA-like barrel, closed; n=8, S=12; mixed sheet; two overside connections; duplication: consists of two intertwinned structural repeats |
| e.73.1 | CV3147-like | CV3147-like 2 domains; d1: [alpha/beta; 3 layers, a/b/a, mixed beta-sheet of 8 strands, order 12543876, strands 1, 7 and 8 are antiparallel to the rest]; d2: [pseudo beta-barrel of 6 strands, meander] |
| e.76.1 | Viral glycoprotein ectodomain-like | Viral glycoprotein ectodomain-like complex fold; contains three rigid, mostly-beta domains and an alpha-helical region, acting as a conformatiomal switch ("fusion stalk") |
| b.49.1 | N-terminal domain of alpha and beta subunits of F1 ATP synthase | Domain of alpha and beta subunits of F1 ATP synthase-like barrel, closed; n=6, S=8; greek-key |
| 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.86.1 | Hedgehog/intein (Hint) domain duplication: contains two intertwined structural repeats ! | Hedgehog/intein (Hint) domain complex fold made of five beta-hairpin units and a b-ribbon arc |
| d.289.1 | WWE domain | WWE domain beta(2)-alpha-beta(4); antiparallel folded beta-sheet (half-barrel), order 216543 |
| c.8.8 | Putative cyclase contains mixed beta-sheet barrel, closed n=7, S=10 ! | The "swivelling" beta/beta/alpha domain 3 layers: b/b/a; the central sheet is parallel, and the other one is antiparallel; there are some variations in topology ! this domain is thought to be mobile in most multi-domain proteins known to contain it |
| b.43.4 | Riboflavin synthase domain-like | Reductase/isomerase/elongation factor common domain barrel, closed; n=6, S=10; greek-key |
| b.111.1 | Small protein B (SmpB) | Small protein B (SmpB) barrel, closed; n=6, S=8, greek-key, partial similarity to the OB-fold |
| d.182.1 | Baseplate structural protein gp11 | Baseplate structural protein gp11 unusual fold; trimer |
| 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] |
| d.22.1 | GFP-like | GFP-like beta-sheet folds into a barrel (n=11, S=14) around the central helix |
| b.34.11 | Prokaryotic SH3-related domain | SH3-like barrel barrel, partly opened; n*=4, S*=8; meander ! the last strand is interrupted by a turn of 3-10 helix |
| 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.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 |
| b.61.7 | Extracellular hemoglobin linker subunit, receptor domain | Streptavidin-like barrel, closed; n=8, S=10; meander |
| b.54.1 | Core binding factor beta, CBF | Core binding factor beta, CBF barrel, closed; n=6, S=10; meander; capped at both ends by alpha-helices |
| b.44.2 | Aminomethyltransferase beta-barrel domain | Elongation factor/aminomethyltransferase common domain barrel, closed; n=6, S=10; greek-key |
| d.170.2 | A heparin-binding domain | SRCR-like unusual fold; disulfide-rich; core: beta-x-alpha-beta-loop-beta |
| e.5.1 | Heme-dependent catalase-like | Heme-dependent catalase-like contains an (8,10) beta-barrel and an all-alpha domain |
| 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 |
| b.42.1 | Cytokine | beta-Trefoil barrel, closed; n=6, S=12; and a hairpin triplet; meander ! duplication: has internal pseudo threefold symmetry |
| b.170.1 | WSSV envelope protein-like | WSSV envelope protein-like beta-sandwich; 9 strands in 2 sheets; greek-key |
| b.61.6 | YceI-like | Streptavidin-like barrel, closed; n=8, S=10; meander |
| b.43.2 | FucI/AraA C-terminal domain-like | Reductase/isomerase/elongation factor common domain barrel, closed; n=6, S=10; greek-key |
| d.261.1 | Hypothetical protein PH1602 | Hypothetical protein PH1602 complex alpha+beta fold; contains a region of similarity to the ferredoxin-like fold |
| b.145.1 | AXH domain | AXH domain pseudobarrel; some similarity to OB-fold |
| 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.42.5 | Actin-crosslinking proteins | beta-Trefoil barrel, closed; n=6, S=12; and a hairpin triplet; meander ! duplication: has internal pseudo threefold symmetry |
| e.42.1 | L-A virus major coat protein | L-A virus major coat protein large protein without apparent domain division |
| e.56.1 | YaeB-like | YaeB-like 2 domains; d1: [beta-barrel (n=6, S=10), similar to the Reductase/isomerase/elongation factor common domain fold (scop_cf 50412), provides homodimerisation interface]; d2: [alpha+beta (disordered)] |
| f.4.5 | Autotransporter forms (12,14) barrel; contains a long alpha-helix running along the barrel axis ! | Transmembrane beta-barrels not a true fold, gathers together transmembrane barrels of different (n,S) |
| b.42.3 | Agglutinin this superfamily is distinct from the ricin B-like lectin superfamily ! | beta-Trefoil barrel, closed; n=6, S=12; and a hairpin triplet; meander ! duplication: has internal pseudo threefold symmetry |
| f.4.2 | Outer membrane phospholipase A (OMPLA) forms (12,16) barrel ! | Transmembrane beta-barrels not a true fold, gathers together transmembrane barrels of different (n,S) |
| g.41.6 | Hypothetical protein MTH1184 contains two CXC motifs ! | Rubredoxin-like metal(zinc or iron)-bound fold; sequence contains two CX(n)C motifs, in most cases n = 2 |
| b.42.6 | MIR domain | beta-Trefoil barrel, closed; n=6, S=12; and a hairpin triplet; meander ! duplication: has internal pseudo threefold symmetry |
| b.166.1 | MAL13P1.257-like | MAL13P1.257-like complex fold; duplication: consists of two intertwinned structural repeats related by pseudo dyad |
| b.42.8 | AbfB domain | beta-Trefoil barrel, closed; n=6, S=12; and a hairpin triplet; meander ! duplication: has internal pseudo threefold symmetry |
| b.159.1 | Allene oxide cyclase-like | AOC barrel-like barrel, closed; n=8, S=10; meander; mirrored (reversed) topology to the Spreptavidin-like and Lipocalin-like folds |
| f.4.6 | Tsx-like channel forms (12,16) barrel ! | Transmembrane beta-barrels not a true fold, gathers together transmembrane barrels of different (n,S) |
| b.31.1 | EV matrix protein | EV matrix protein consists of two beta-sandwich domains of similar topologies |
| b.159.2 | SO1590-like | AOC barrel-like barrel, closed; n=8, S=10; meander; mirrored (reversed) topology to the Spreptavidin-like and Lipocalin-like folds |
| b.42.7 | DNA-binding protein LAG-1 (CSL) contains rudiment hairpin triplet lacking one hairpin ! | beta-Trefoil barrel, closed; n=6, S=12; and a hairpin triplet; meander ! duplication: has internal pseudo threefold symmetry |
| f.4.4 | OMPT-like forms (10,12) barrel ! | Transmembrane beta-barrels not a true fold, gathers together transmembrane barrels of different (n,S) |
| f.8.1 | Aerolisin/ETX pore-forming domain | Aerolisin/ETX pore-forming domain 3 domains: (1) alpha+beta; (2&3) all-beta |