| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| d.131.1 | DNA clamp | DNA clamp contains two helices and two beta sheets ! duplication: fold has internal pseudo two-fold symmetry |
| 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.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 |
| e.15.1 | Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment | Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment 2 domains: alpha+beta and all-beta |
| 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.144.1 | Protein kinase-like (PK-like) shares functional and structural similarities with the ATP-grasp fold and PIPK ! | Protein kinase-like (PK-like) consists of two alpha+beta domains, C-terminal domain is mostly alpha helical |
| 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 |
| a.129.1 | GroEL equatorial domain-like duplication: two 4-helical subdomains are related by a pseudo dyad passing through the ATP-binding site ! | GroEL equatorial domain-like multihelical; 8 helices arranged in 2 parallel layers |
| d.90.1 | FMN-dependent nitroreductase-like | FMN-dependent nitroreductase-like core: (alpha-beta-alpha-beta)2; 3 layers a/b/a; antiparallel beta-sheet: 1243 |
| 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.55.1 | Ribosomal protein L22 some topological similarity to prokaryotic ribosomal protein L17 ! | Ribosomal protein L22 beta-alpha(3)-beta(2); 2 layers: alpha/beta; related to the enolase/MLE N-domain fold by a circular permutation |
| d.150.1 | 4'-phosphopantetheinyl transferase possibly related to the IspF ( | 4'-phosphopantetheinyl transferase beta-alpha(3)-beta(2) motif |
| d.47.1 | Ribosomal L11/L12e N-terminal domain | Ribosomal L11/L12e N-terminal domain beta-alpha(2)-beta(2); 2 layers, alpha/beta; antiparallel beta-sheet: order 123 |
| e.6.1 | Acyl-CoA dehydrogenase NM domain-like flavoprotein: binds FAD; constituent families differ in the numbers of C-terminal domains (four-helical bundles) ! | Acyl-CoA dehydrogenase NM domain-like 2 domains: (1) all-alpha: 5 helices; (2) contains an open beta-sheet barrel: n*=5, S*=8; complex topology |
| d.345.1 | NRDP1 C-terminal domain-like | NRDP1 C-terminal domain-like alpha-beta-alpha(3)-beta(3); a pseudo barrel beta-sheet of an SH3-like topology, surrounded by helices |
| 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 |
| d.36.1 | Chalcone isomerase | Chalcone isomerase beta(3)-alpha(2)-beta-alpha(2)-beta3; 2 layers alpha/beta; antiparallel sheet: order 1234567 |
| d.340.1 | CofE-like | CofE-like consists of two different domains; d1: beta-alpha-beta-alpha-beta(2)-alpha-beta, mixed sheet of 5 strands, order:15234, strands 2 and 3 are parralel; d2 is inserted in d1 after strand 2 and comprises a helix-turn-helix motif and two 3-stranded sheets |
| d.58.32 | FAD-linked oxidases, C-terminal domain duplication: contains two subdomains of this fold ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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 |
| a.160.1 | PAP/OAS1 substrate-binding domain this domain follows the catalytic nucleotidyltransferase domain ! | PAP/OAS1 substrate-binding domain core: 5-helical bundle; up-and-down; right-handed twist |
| 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.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.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 |
| d.210.1 | Argininosuccinate synthetase, C-terminal domain | Argininosuccinate synthetase, C-terminal domain unusual fold |
| e.2.1 | Replication terminator protein (Tus) | Replication terminator protein (Tus) contains a cluster of helices and a beta-sandwich |
| a.102.2 | Seven-hairpin glycosidases | alpha/alpha toroid multihelical; up to seven alpha-hairpins are arranged in closed circular array; there may be sequence similarities between different superfamilies |
| d.29.1 | Ribosomal protein L31e | Ribosomal protein L31e beta-alpha-beta-(alpha)-beta(2); 2 layers: alpha/beta; mixed beta-sheet, order: 1342 |
| d.91.1 | N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1 | N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1 alpha-beta-alpha(2)-beta(3)-alpha; 3 layers a/b/a; antiparallel beta-sheet: 4123 |
| 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 |
| d.67.2 | Arginyl-tRNA synthetase (ArgRS), N-terminal 'additional' domain | RRF/tRNA synthetase additional domain-like core: alpha-beta(2)-alpha-beta(2); 2 layers: alpha/beta |
| e.50.1 | AF1104-like | AF1104-like 2 domains; d1: [all-alpha; 3-helical bundle, similar to the immunoglobulin/albumin-binding domain-like fold (scop_cf 46996)]; d2: [alpha/beta; 3 layers, a/b/a; 6-stranded mixed beta-sheet, order: 321456, strand 6 is antiparallel to the rest] |
| g.90.1 | E6 C-terminal domain-like | E6 C-terminal domain-like alpha+beta zinc-binding fold with topological similarity to the fold of lambda cro protein |
| d.259.1 | Hypothetical protein HI1480 | Hypothetical protein HI1480 beta-alpha(4)-beta-alpha-beta; segregated alpha-helical and beta-sheet subdomains; dimeric beta-sheet barrel: n=6, S=10 |
| 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 |
| 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] |