| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| 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 |
| 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 |
| b.2.4 | Alpha-macroglobulin receptor domain | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| d.74.3 | RBP11-like subunits of RNA polymerase form homo and heterodimers ! | DCoH-like beta(2)-alpha-beta(2)-alpha; 2 layers, alpha/beta |
| d.58.24 | CheY-binding domain of CheA | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.7 | RNA-binding domain, RBD | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.8 | Viral DNA-binding domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.6 | Nucleoside diphosphate kinase, NDK | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.17 | HMA, heavy metal-associated domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.360.1 | PG1857-like | PG1857-like alpha-beta-alpha-beta(2)-alpha(3); 3 layers, a/b/a; antiparallel beta-sheet, order: 132 |
| 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.89.1 | Origin of replication-binding domain, RBD-like | Origin of replication-binding domain, RBD-like alpha-beta-alpha-beta(2)-alpha-beta-alpha-beta; 3 layers: a/b/a; antiparallel sheet 41325 |
| d.122.1 | ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase | ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase 8-stranded mixed beta-sheet; 2 layers: alpha/beta |
| d.318.1 | SARS receptor-binding domain-like | SARS receptor-binding domain-like core: 3 layers, a/b/a; antiparallel beta-sheet of 5 strands, order 13542 |
| d.58.18 | ACT-like regulatory domain linked to a wide range of metabolic enzymes ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.136.1 | Phospholipase D/nuclease | Phospholipase D/nuclease beta-alpha-beta-alpha-beta-alpha-beta(4)-alpha; mixed sheet: order 1765234 |
| d.95.2 | Homing endonucleases | Homing endonuclease-like alpha-beta(2)-alpha-beta(2)-alpha; 2 layers: a/b; antiparallel sheet 1243 |
| d.58.10 | Acylphosphatase/BLUF domain-like | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.68.3 | SirA-like | IF3-like beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest |
| d.68.2 | EPT/RTPC-like | IF3-like beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest |
| 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.58.31 | Methyl-coenzyme M reductase subunits each of the three different subunits, alpha, beta and gamma, contains this fold decorated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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 |
| 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] |
| d.140.1 | Ribosomal protein S8 | Ribosomal protein S8 consists of 2 different alpha+beta subdomains arranged in a 4-layer structure: b/a/b/a |
| d.58.3 | Protease propeptides/inhibitors | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.74.4 | GAD domain-like | DCoH-like beta(2)-alpha-beta(2)-alpha; 2 layers, alpha/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.58.11 | EF-G C-terminal domain-like | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| b.82.2 | Clavaminate synthase-like Iron and ketoglutarate-dependent enzymes; elaborated version of this common fold ! | Double-stranded beta-helix one turn of helix is made by two pairs of antiparallel strands linked with short turns ! has appearance of a sandwich of distinct architecture and jelly-roll topology |
| 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 |
| d.74.1 | PCD-like has additional alpha helix at the N-terminus ! | DCoH-like beta(2)-alpha-beta(2)-alpha; 2 layers, alpha/beta |
| 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 |
| d.58.26 | GHMP Kinase, C-terminal domain common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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 |
| 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 |
| c.131.1 | Peptidyl-tRNA hydrolase II | Peptidyl-tRNA hydrolase II 3 layers: a/b/a; mixed beta-sheet of 4 strands, order 2143, strand 4 is antiparallel to the rest |
| 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 |
| c.122.1 | L-sulfolactate dehydrogenase-like topological similarity to the domain 2 of TM1585 ! | L-sulfolactate dehydrogenase-like core: 3 layers, a/b/a; mixed sheet of 7 strands, order 1237456; strands 1, 6 and 7 are antiparallel to the rest |
| d.58.28 | Peptide methionine sulfoxide reductase common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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 |
| c.94.1 | Periplasmic binding protein-like II Similar in architecture to the superfamily I but partly differs in topology ! | Periplasmic binding protein-like II consists of two similar intertwined domain with 3 layers (a/b/a) each: duplication ! mixed beta-sheet of 5 strands, order 21354; strand 5 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 |
| d.58.39 | Glutamyl tRNA-reductase catalytic, N-terminal domain common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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.86.1 | eIF4e-like | eIF4e-like beta(2)-alpha-beta(2)-alpha-beta(2)-alpha-beta-2; 2 layers: alpha/beta; antiparallel sheet: 21356478 |
| c.117.1 | Amidase signature (AS) enzymes | Amidase signature (AS) enzymes possible duplication: the topologies of N- and C-terminal halves are similar; 3 layers: a/b/a; single mixed beta-sheet of 10 strands, order 213549A867 (A=10); strands from 5 to 9 are antiparallel to the rest |
| d.58.5 | GlnB-like form timeric structures with the orthogonally packed beta-sheets ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.56 | CcmK-like contains extra C-terminal helix; forms compact hexameric 'tiles' of hexagonal shape ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| e.11.1 | Type II DNA topoisomerase | Type II DNA topoisomerase 4 domains: (1) toprim alpha/beta; (2) "winged helix"-like; (3) alpha+beta; (4) all-alpha |
| d.58.2 | Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| c.8.5 | GroEL apical domain-like | 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.68.4 | YhbY-like | IF3-like beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest |
| 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 |
| d.58.57 | Transposase IS200-like contains extra N-terminal hairpin and C-terminal helix, both are involved in dimerization; there can be helix-swapping in the dimer ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.230.4 | D-lysine 5,6-aminomutase beta subunit KamE, N-terminal domain | Dodecin subunit-like beta-alpha-beta(2); 2 layers: alpha/beta; antiparallel beta-sheet: order 132 |
| c.95.1 | Thiolase-like | Thiolase-like consists of two similar domains related by pseudo dyad; duplication ! 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32451; strand 5 is antiparallel to the rest |
| d.68.7 | R3H domain possibly lacks the N-terminal strand of the common fold ! | IF3-like beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest |
| d.58.23 | Probable ACP-binding domain of malonyl-CoA ACP transacylase | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.185.1 | LuxS/MPP-like metallohydrolase Share the same "active site motif" HxxEH located in the first core helix, but differ in one of the zinc-binding residues ! | LuxS/MPP-like metallohydrolase core: beta-alpha-beta(2)-alpha(2); 2 layers: alpha/beta |
| d.151.1 | DNase I-like | DNase I-like contains beta-sandwich; duplication of alpha+beta motif |
| d.77.1 | RL5-like | RL5-like beta-alpha-beta(2)-alpha-beta(3)-alpha; 2 layers, alpha/beta; antiparallel beta-sheet: order 231654 |
| d.60.1 | Probable bacterial effector-binding domain | Probable bacterial effector-binding domain duplication of beta-alpha-beta(2) motif: antiparallel beta sheet forms barrel (n=6, S=12) |
| d.67.3 | Ribosome recycling factor, RRF | RRF/tRNA synthetase additional domain-like core: alpha-beta(2)-alpha-beta(2); 2 layers: alpha/beta |
| d.58.49 | YajQ-like duplication: consists of two domains of this fold swapped with their N-terminal strands ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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 |
| d.51.1 | Eukaryotic type KH-domain (KH-domain type I) Prokaryotic and eukaryotic domains share a KH-motif but have different topologies ! | Eukaryotic type KH-domain (KH-domain type I) beta-alpha(2)-beta(2)-alpha; 2 layers: alpha/beta |
| d.258.1 | Chorismate synthase, AroC | Chorismate synthase, AroC duplication: consists of two DCoH-like beta(2)-alpha-beta(2)-alpha structural repeats; 3 layers, beta/alpha/beta |
| d.104.1 | Class II aaRS and biotin synthetases | Class II aaRS and biotin synthetases contains large mixed beta-sheet |
| c.74.1 | AraD/HMP-PK domain-like | AraD/HMP-PK domain-like 3 layers: a/b/a; mixed (mostly antiparallel) beta-sheet of 9 strands, order 432159876; left-handed crossover between strands 4 and 5 |
| d.308.1 | THUMP domain-like predicted RNA-binding function ! | THUMP domain contains mixed 8-stranded beta-sheet, folded into a half-barrel and covered with 4 helices on the outside; order 32148756; strands 5, 6 and 7 are parallel |
| c.56.6 | LigB-like circular permutation of the common fold, most similar to the PNP fold ! | Phosphorylase/hydrolase-like core: 3 layers, a/b/a ; mixed sheet of 5 strands: order 21354; strand 4 is antiparallel to the rest; contains crossover loops |
| 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 |
| d.320.1 | YojJ-like | YojJ-like alpha-beta-X-beta-alpha-beta(2)-alpha-beta(3); 3 layers: a/b/a; 7-stranded mixed beta-sheet, order 2431567; strands 1 and 3 are parallel to each other |
| d.128.1 | Glutamine synthetase/guanido kinase | Glutamine synthetase/guanido kinase duplication: common core consists of two beta-alpha-beta2-alpha repeats |
| d.58.40 | D-ribose-5-phosphate isomerase (RpiA), lid domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| e.39.1 | YebC-like | YebC-like 3 domains: (1) 3-helical bundle; (2 and 3 ) alpha+beta of different folds: domain 3 has a ferredoxin-like fold and is inserted in domain 2 |
| c.64.1 | Pyruvate-ferredoxin oxidoreductase, PFOR, domain III | Pyruvate-ferredoxin oxidoreductase, PFOR, domain III 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 231456; strand 3 is antiparallel to the rest |
| d.58.4 | Dimeric alpha+beta barrel dimerizes through the beta-sheet; forms beta-sheet barrel, closed (n=8, S=12); dimers may assemble in higher oligomers ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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 |
| d.58.9 | RuBisCO, large subunit, small (N-terminal) domain C-terminal domain is beta/alpha barrel ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.139.1 | PurM C-terminal domain-like | PurM C-terminal domain-like 3 layers: alpha/beta/alpha; partial topological similarity to the ferredoxin-like fold |
| d.230.3 | Amyloid beta a4 protein copper binding domain (domain 2) | Dodecin subunit-like beta-alpha-beta(2); 2 layers: alpha/beta; antiparallel beta-sheet: order 132 |
| d.312.1 | TM1622-like | TM1622-like alpha-beta(3)-alpha-beta(4)-alpha; 3 layers, a/b/a; antiparallel beta-sheet, order: 1237654 |
| b.45.1 | FMN-binding split barrel related to the ferredoxin reductase-like FAD-binding domain ! | Split barrel-like barrel; n=6, S=10; greek-key |
| d.67.4 | General secretion pathway protein M, EpsM | RRF/tRNA synthetase additional domain-like core: alpha-beta(2)-alpha-beta(2); 2 layers: alpha/beta |
| d.356.1 | SP0830-like | SP0830-like duplication: two beta-alpha-beta(2)-alpha-beta-alpha motifs are organized in ferredoxin-like subdomains swapped with the extra C-terminal helices |
| d.240.1 | Lesion bypass DNA polymerase (Y-family), little finger domain | Lesion bypass DNA polymerase (Y-family), little finger domain beta-alpha-beta(2)-alpha-beta; antiparallel beta-sheet: order 1423; "reversed" ferredoxin-like topology |
| d.41.1 | CO dehydrogenase molybdoprotein N-domain-like | alpha/beta-Hammerhead core: beta-BETA-alpha-beta-BETA-beta-alpha; contains a beta-hammerhead motif similar to that in barrel-sandwich hybrids |
| d.142.1 | Glutathione synthetase ATP-binding domain-like | ATP-grasp Consists of two subdomains with different alpha+beta folds ! shares functional and structural similarities with the PIPK and protein kinase superfamilies |
| d.278.1 | Ligand-binding domain in the NO signalling and Golgi transport | Ligand-binding domain in the NO signalling and Golgi transport an N-terminal helical bundle and the C-terminal alpha-beta(2)-alpha-beta(2) subdomain enclose a ligand-binding cavity |
| 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.94.1 | HPr-like | HPr-like beta-alpha-beta(2)-alpha-beta-alpha; 2 layers: a/b; antiparallel sheet 1423 |
| d.41.2 | Nicotinate/Quinolinate PRTase N-terminal domain-like | alpha/beta-Hammerhead core: beta-BETA-alpha-beta-BETA-beta-alpha; contains a beta-hammerhead motif similar to that in barrel-sandwich hybrids |
| d.58.42 | N-utilization substance G protein NusG, N-terminal domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.74.2 | C-terminal domain of arginine repressor forms trimers with three closely packed beta-sheets ! | DCoH-like beta(2)-alpha-beta(2)-alpha; 2 layers, alpha/beta |
| d.64.1 | eIF1-like | eIF1-like beta(2)-alpha-beta(2)-alpha-beta; 2 layers: alpha/beta; mixed beta-sheet: order 51243 |
| e.8.1 | DNA/RNA polymerases "palm" domain has a ferredoxin-like fold, related to that of an adenylyl cyclase domain ! | DNA/RNA polymerases divided into morphological domains including "palm", "thumb" and "fingers"; the catalytic "palm" domain is conserved to all members |
| 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 |
| 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.207.1 | Thymidylate synthase-complementing protein Thy1 | Thymidylate synthase-complementing protein Thy1 complex alpha+beta fold; contains antiparallel 5-stranded beta-sheet: order 12354 |
| 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.58.34 | Formiminotransferase domain of formiminotransferase-cyclodeaminase. duplication: contains two subdomains of this fold ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| g.10.1 | Hairpin loop containing domain-like the middle part is structurally similar to some knottins and defensins but differs in the disulfide pattern ! | Hairpin loop containing domain-like alpha+beta fold with two crossing loops |
| d.321.1 | STIV B116-like | STIV B116-like subunit fold consists of mixed 5-stranded beta-sheet, order:31452, strand 5 is antiparallel to the rest, with 3 helices on one side; dimerises with the formation of a single 10-stranded beta-sheet; strand 2 is in the dimer interface |
| d.58.14 | Ribosomal protein S6 | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.64.2 | TM1457-like forms a homodimer via alpha-helical interface ! | eIF1-like beta(2)-alpha-beta(2)-alpha-beta; 2 layers: alpha/beta; mixed beta-sheet: order 51243 |
| 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.65.1 | Hedgehog/DD-peptidase zinc-binding motif ! | Hedgehog/DD-peptidase alpha-beta(2)-alpha-beta(2); 2 layers: alpha/beta |
| d.264.1 | Prim-pol domain | Prim-pol domain consists of two alpha+beta domains |
| d.265.1 | Pseudouridine synthase the active site is the most conserved structural region of the superfamily and is located between the subdomains ! | Pseudouridine synthase consists of two alpha+beta subdomains with some similarity to the ferredoxin-like fold |
| d.267.1 | Hypothetical protein SAV1430 | Hypothetical protein SAV1430 beta(3)-alpha-beta(2)-alpha; 2 layers, alpha/beta; antiparallel beta-sheet, order: 12543 |
| d.58.53 | CRISPR-associated protein duplication: contains two subdomains of this fold ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.15 | Ribosomal protein S10 | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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.95.1 | Glucose permease domain IIB | Homing endonuclease-like alpha-beta(2)-alpha-beta(2)-alpha; 2 layers: a/b; antiparallel sheet 1243 |
| 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; |
| b.85.7 | SET domain duplication: the core is composed of two structural repeats similar to (circularly permuted) repeats of AFPIII ! also contains a substrate-binding alpha+beta subdomain inserted in the core ! | beta-clip double-stranded ribbon sharply bent in two places; the ribbon ends form incomplete barrel; jelly-roll |
| d.68.5 | C-terminal domain of ProRS contains a metal (zinc)-binding site ! | IF3-like beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest |
| d.94.2 | Putative transcriptional regulator TM1602, C-terminal domain | HPr-like beta-alpha-beta(2)-alpha-beta-alpha; 2 layers: a/b; antiparallel sheet 1423 |
| b.38.4 | Dom34/Pelota N-terminal domain-like | Sm-like fold core: barrel, open; n*=4, S*=8; meander; SH3-like topology |
| d.250.1 | Folate-binding domain some topological similarity to Formylmethanofuran:tetrahydromethanopterin formyltransferase ! | Folate-binding domain duplication: consists of two beta(2)-alpha-beta(3)-alpha subdomains swapped with the first strands |
| 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.58.52 | Sporulation related repeat duplication: one domain contains two repeats of similar sequence and structure ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.230.6 | YdgH-like extra N-terminal structures: short strand and short helix; topological similarity to the YbjQ-like superfamily | Dodecin subunit-like beta-alpha-beta(2); 2 layers: alpha/beta; antiparallel beta-sheet: order 132 |
| d.58.30 | 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.115.1 | YrdC/RibB | YrdC/RibB core: alpha-beta(2)-alpha-beta-alpha(2)-beta(2)-alpha-beta-alpha-beta; 3 layers; mixed twisted sheet of 7 strands; order 7126354; strands 7 and 1 are parallel to each other |
| d.382.1 | PSTPO5379-like | PSTPO5379-like complex fold; consists of two alpha+beta subdomains, one is inserted in the other |
| d.58.19 | Bacterial exopeptidase dimerisation domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.145.1 | FAD-binding/transporter-associated domain-like | FAD-binding/transporter-associated domain-like consists of two alpha+beta subdomains |
| d.58.38 | Urease metallochaperone UreE, C-terminal domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.208.1 | MTH1598-like | MTH1598-like beta(2)-alpha-beta-alpha-beta(4); 3 layers: beta/alpha/beta; some similarity to the Hsp33 fold |
| d.12.1 | Ribosomal proteins S24e, L23 and L15e | Ribosomal proteins S24e, L23 and L15e beta-(alpha)-beta-alpha-beta(2); 3 layers: alpha/beta/alpha; antiparallel beta-sheet: order 1243 |
| d.79.1 | YjgF-like forms trimers with three closely packed beta-sheets; possibly related to the IspF ( | Bacillus chorismate mutase-like core: beta-alpha-beta-alpha-beta(2); mixed beta-sheet: order: 1423, strand 4 is antiparallel to the rest |
| b.38.5 | TrmB C-terminal domain-like sugar-binding domain; permuted OB-fold? | Sm-like fold core: barrel, open; n*=4, S*=8; meander; SH3-like topology |
| d.58.36 | Nitrite/Sulfite reductase N-terminal domain-like duplication: contains two subdomains of this fold ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.295.1 | TFB5-like | TFB5-like beta-alpha-beta(2)-alpha; 2 layers, a/b; antiparallel sheet, order: 132; dimerises in solution (PDB 2jnj) via extended N-terminal strand |
| d.41.4 | Ribosomal protein L16p/L10e | alpha/beta-Hammerhead core: beta-BETA-alpha-beta-BETA-beta-alpha; contains a beta-hammerhead motif similar to that in barrel-sandwich hybrids |
| d.68.6 | AlbA-like | IF3-like beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest |
| d.79.8 | YueI-like | Bacillus chorismate mutase-like core: beta-alpha-beta-alpha-beta(2); mixed beta-sheet: order: 1423, strand 4 is antiparallel to the rest |
| d.201.1 | SRP19 | SRP19 beta-alpha-beta(2)-alpha; 2 layers: alpha/beta |
| 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 |
| 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.58.55 | DOPA-like probable biological unit is homodimer; the extra C-terminal strand, adjacent and antiparallel to strand 4, contributes to the dimerisation interface ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.44 | Multidrug efflux transporter AcrB pore domain; PN1, PN2, PC1 and PC2 subdomains duplication: the N- and C-terminal halves of the whole proteins are structurally similar; each half contains two domains of this fold ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.20 | NAD-binding domain of HMG-CoA reductase | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.292.1 | DNA mismatch repair protein MutL | DNA mismatch repair protein MutL consists of two different alpha+beta (sub)domains; d1: [beta(3)-alpha-(insert of d2)-alpha(2)-beta; 2 layers, a/b; antiparallel sheet, order: 1234]; d2: [beta-alpha-beta(2)-alpha(2); 2 layers, a/b; antiparallel sheet, order: 132] |
| d.198.2 | Arp2/3 complex subunits | Secretion chaperone-like alpha-beta(3)-alpha-beta(2)-alpha; 2 layers: alpha/beta |
| e.57.1 | Vacuolar ATP synthase subunit C | Vacuolar ATP synthase subunit C 2 alpha+beta (sub)domains [each has a ferredoxin-like fold; scop_cf 54861], connected with 3-helical bundle; duplication: two repeats of beta-alpha-beta-[alpha coiled-coil]-beta-alpha-beta motif |
| d.237.1 | Hypothetical protein YjiA, C-terminal domain | Hypothetical protein YjiA, C-terminal domain beta-alpha-beta(4)-alpha; 2 layers: a/b; antiparallel sheet 15234; topological similarity to the HPr-like fold |
| d.58.12 | eEF-1beta-like | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.143.1 | SAICAR synthase-like shares functional and structural similarities with the ATP-grasp fold and protein kinase superfamilies ! | SAICAR synthase-like consists of two alpha+beta subdomains |
| b.157.1 | Hcp1-like probable biological unit is a ring-like hexamer containing a 24-stranded beta-barrel made of the subunit beta-sheets ! | Hcp1-like barrel, closed; n=6, S=12; contains extra, non-barrel strand 7 at the C-terminus |
| d.58.16 | PAP/Archaeal CCA-adding enzyme, C-terminal domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.81.1 | Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain N-terminal domain is the classic Rossmann-fold ! | FwdE/GAPDH domain-like core: alpha-beta-alpha-beta(3); mixed sheet: 2134, strand 2 is parallel to strand 1 |
| d.111.1 | PR-1-like | PR-1-like alpha-beta-alpha-beta-alpha(2)-beta(2); 3 layers, alpha/beta/alpha; mixed sheet: order 1342 |
| d.58.61 | MTH889-like assembles into hexameric ring-like structures with the formation of a singe beta-barrel sheet of 24 strands | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.371.1 | YehR-like | YehR-like beta(3)-alpha-beta(2)-alpha(3)-beta; 2 layers, a/b; antiparallel beta-sheet, order: 612354 |
| 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 |
| e.66.1 | Api92-like | Api92-like 2 domains; d1: [alpha+beta with similarity to ferredoxin-like fold]; d2: [6 helices, bundle, one buried central helix], inserted into d1 |
| d.13.1 | HIT-like | HIT-like alpha-beta(3)-alpha-beta(2); 3 layers: alpha/beta/alpha |
| 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 |
| d.129.4 | Cell-division protein ZipA, C-terminal domain contains a single copy of this fold ! | TBP-like beta-alpha-beta(4)-alpha |
| d.302.1 | Coronavirus NSP8-like | Coronavirus NSP8-like core: alpha-beta(2)-alpha-beta(4)-alpha-beta; bifurcated barrel-like beta-sheet |
| d.58.29 | Nucleotide cyclase common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.272.1 | Dystroglycan, domain 2 | Dystroglycan, domain 2 beta-alpha-beta-X-beta(2)-alpha(2)-beta; antiparallel beta-sheet, order 24153; topological similarity to the ferredoxin-like fold (scop_cf 54861) |
| d.188.1 | Prokaryotic ribosomal protein L17 some topological similarity to ribosomal protein L22 ! | Prokaryotic ribosomal protein L17 alpha-beta-alpha(3)-beta(2); 2 layers: alpha/beta; |
| c.43.1 | CoA-dependent acyltransferases | CoA-dependent acyltransferases core: 2 layers, a/b; mixed beta-sheet of 6 strands, order 324561; strands 3 & 6 are antiparallel to the rest |
| 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.110.3 | 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 |
| b.57.1 | Herpes virus serine proteinase, assemblin | Herpes virus serine proteinase, assemblin core: barrel, closed; n=7, S=8; complex topology |
| d.58.54 | YbeD/HP0495-like | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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.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 |
| b.153.1 | PheT/TilS domain contains putative tRNA-binding structural motif ! | PheT/TilS domain core: 3 layers; contains beta-sandwich of unusual topology |
| d.41.3 | Pyrimidine nucleoside phosphorylase C-terminal domain | alpha/beta-Hammerhead core: beta-BETA-alpha-beta-BETA-beta-alpha; contains a beta-hammerhead motif similar to that in barrel-sandwich hybrids |
| d.179.1 | Substrate-binding domain of HMG-CoA reductase | Substrate-binding domain of HMG-CoA reductase unusual fold |
| b.85.5 | Tlp20, baculovirus telokin-like protein similar to dUTPase in fold and trimeric assembly ! | beta-clip double-stranded ribbon sharply bent in two places; the ribbon ends form incomplete barrel; jelly-roll |
| d.206.1 | YggU-like | YggU-like beta(2)-loop-alpha-beta(2)-alpha; 2 layers: a/b; antiparallel sheet 1243; some similarity to the Homing endonuclease-like fold |
| d.124.1 | Ribonuclease Rh-like | Ribonuclease Rh-like alpha+beta fold |
| d.198.1 | Type III secretory system chaperone-like | Secretion chaperone-like alpha-beta(3)-alpha-beta(2)-alpha; 2 layers: alpha/beta |
| d.58.27 | Translational regulator protein regA common fold is elaborated with additional secondary structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.68.1 | Translation initiation factor IF3, C-terminal domain | IF3-like beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest |
| d.150.1 | 4'-phosphopantetheinyl transferase possibly related to the IspF ( | 4'-phosphopantetheinyl transferase beta-alpha(3)-beta(2) motif |
| d.182.1 | Baseplate structural protein gp11 | Baseplate structural protein gp11 unusual fold; trimer |
| 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.74.5 | PH0987 N-terminal domain-like | DCoH-like beta(2)-alpha-beta(2)-alpha; 2 layers, alpha/beta |
| d.273.1 | YjbQ-like | YjbQ-like beta(2)-alpha-beta(2)-alpha(2)-beta(3); contains a beta-sandwich: 7 strands in 2 sheets; trimerizes with orthogonally packed beta-sheets |
| b.52.2 | ADC-like | Double psi beta-barrel barrel, closed; n=6, S=10; complex topology with crossover (psi) loops |
| d.58.48 | MTH1187/YkoF-like | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| b.28.1 | Baculovirus p35 protein has a few helices inserted in loops ! | Baculovirus p35 protein sandwich; 14 strands in 2 sheets; greek-key |
| d.58.62 | Ribosomal protein L10-like consists of globular N-terminal domain, structurally similar to NDK, and the L7/L12-binding C-terminal alpha-helical tail | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.79.7 | OmpA-like | Bacillus chorismate mutase-like core: beta-alpha-beta-alpha-beta(2); mixed beta-sheet: order: 1423, strand 4 is antiparallel to the rest |
| d.323.1 | Phage tail protein-like Can form ring, tube-like oligomers, where the subunit beta-sheets are joined in a single beta-sheet (or barrel) ! | Phage tail protein-like alpha-beta-X-beta(2)-alpha-beta(2); 2 layers: a/b; mixed beta-sheet: order 12354, strands 1 and 2 are parallel |
| b.169.1 | MFPT repeat-like | MFPT repeat-like consists of two similar pseudo barrel subdomains with structural similarity to a circularly permuted SAND domain (scop_fa 63764) |
| d.329.1 | PF0523-like | PF0523-like beta-alpha-beta-alpha(3)-beta-alpha-beta-alpha; 3 layers, a/b/a; antiparallel beta-sheet, order 4132; some similarity to the PurM C-terminal domain-like fold (scop_cf 56041) |
| d.123.1 | Sporulation response regulatory protein Spo0B Histidine kinase-like fold lacking the kinase ATP-binding site ! | Sporulation response regulatory protein Spo0B core: alpha-beta-alpha-beta(2)-(alpha)-beta(2) |
| d.66.1 | Alpha-L RNA-binding motif common motif in otherwise different folds ! | Alpha-L RNA-binding motif alpha(2)-beta(2)-loop-beta; 2 layers: alpha/beta |
| d.68.8 | SMR domain-like | IF3-like beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest |
| d.58.46 | eEF1-gamma domain elaborated with additional structures ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.41.5 | Molybdopterin synthase subunit MoaE | alpha/beta-Hammerhead core: beta-BETA-alpha-beta-BETA-beta-alpha; contains a beta-hammerhead motif similar to that in barrel-sandwich hybrids |
| 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.58.43 | Mechanosensitive channel protein MscS (YggB), C-terminal domain the last strand of the fold is flipped away and involved in oligomerisation ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| b.23.3 | Acetamidase/Formamidase-like decorated fold with additional structures; contains extra C-terminal alpha+beta subdomain: beta(2)-alpha(2)-beta(2): antiparallel beta-sheet, order 1243 ! | CUB-like sandwich, 10 strands in 2 sheets; jelly-roll |
| d.315.1 | TRCF domain-like | TRCF domain-like beta-alpha(3)-beta(2)-alpha-beta(2)-alpha; 2 layers: alpha/beta; mixed beta sheet, order 12354, strands 1 and 2 are parallel; some topological similarity to the DCoH-like fold (scop_cf 55247) |
| 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 |
| d.58.59 | Rnp2-like contains extra C-terminal helix | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| b.85.4 | dUTPase-like forms tight trimer through an additional beta-sheet in each subunit ! subunit beta-sheets are orthogonally packed around the three-fold axis ! | beta-clip double-stranded ribbon sharply bent in two places; the ribbon ends form incomplete barrel; jelly-roll |
| d.79.5 | IpsF-like forms trimers with three closely packed beta-sheets; possible link between the YjgF-like ( | Bacillus chorismate mutase-like core: beta-alpha-beta-alpha-beta(2); mixed beta-sheet: order: 1423, strand 4 is antiparallel to the rest |
| d.171.1 | Fibrinogen C-terminal domain-like | Fibrinogen C-terminal domain-like unusual fold |
| 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 |
| a.296.1 | PMT central region-like | PMT central region-like multihelical; comprises two four-helical bundles of different topologies and an irregular helical array packed against a small beta-sheet |
| d.230.1 | N-terminal, heterodimerisation domain of RBP7 (RpoE) | Dodecin subunit-like beta-alpha-beta(2); 2 layers: alpha/beta; antiparallel beta-sheet: order 132 |
| d.58.47 | Hypothetical protein VC0424 | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.13 | Anticodon-binding domain of PheRS | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.75.1 | tRNA-intron endonuclease N-terminal domain-like | MutS N-terminal domain-like beta(2)-alpha-beta(2)-alpha-beta(2); 2 layers, alpha/beta |
| d.58.58 | TTP0101/SSO1404-like contains extra C-terminal beta-strand that integrates into the beta-sheet of the other subunit in the homodimer, a probable biological unit of this superfamily ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| 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") |
| d.58.33 | Formylmethanofuran:tetrahydromethanopterin formyltransferase duplication: contains two subdomains of this fold ! | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.79.4 | PurM N-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 |
| d.193.1 | Hsp33 domain | Hsp33 domain 3 layers: beta/alpha/beta; buried helix |
| d.314.1 | PUG domain-like | PUG domain-like alpha(2)-beta-alpha(2)-beta(2)-alpha; cluster of helices with a small antiparallel beta-sheet on one side; order 132; topological similarity to the fold of an extended R3H domain (PDB 1whr) |
| d.146.1 | Uridine diphospho-N-Acetylenolpyruvylglucosamine reductase, MurB, C-terminal domain | Uridine diphospho-N-Acetylenolpyruvylglucosamine reductase, MurB, C-terminal domain consists of two alpha+beta subdomains |
| d.282.1 | SSo0622-like the dimer, formed in the crystals, is a probable biological unit ! | SSo0622-like alpha(2)-beta(2)-alpha-beta-alpha-beta(2)-alpha; 2 layers: a/b; antiparallel beta-sheet: order 21354; strands 1,3 and 5 and the C-terminal helix are longer than other secondary structures |
| 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 |
| 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 |
| 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 |
| d.241.2 | Trigger factor ribosome-binding domain | Ribosome binding domain-like beta-(2)-alpha(2)-beta(2); 2 layers: beta/alpha; antiparallel beta-sheet: order 1243; topological similarity to the common core of ribosomal proteins L23 and L15e |
| 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.346.1 | SARS Nsp1-like | SARS Nsp1-like complex alpha+beta fold; contains mixed beta-sheet barrel, n=6, S=10 |
| 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 |
| d.58.60 | Bacterial polysaccharide co-polymerase-like Decorated common fold with extra helical regions, which facilitate oligomerization | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.261.1 | Hypothetical protein PH1602 | Hypothetical protein PH1602 complex alpha+beta fold; contains a region of similarity to the ferredoxin-like fold |
| d.58.51 | eIF-2-alpha, C-terminal domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.13.2 | Rotavirus NSP2 fragment, C-terminal domain | HIT-like alpha-beta(3)-alpha-beta(2); 3 layers: alpha/beta/alpha |
| d.129.6 | KA1-like contains a single copy of this fold ! | TBP-like beta-alpha-beta(4)-alpha |
| 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 |
| 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 |
| d.58.22 | TRADD, N-terminal domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.103.1 | CytB endotoxin-like | CytB endotoxin-like core: beta-alpha(2)-beta-alpha(2)-beta(4); 3 layers: a/b/a |
| 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.58.41 | SEA domain | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.67.1 | ThrRS/AlaRS common domain putative editing domain found in the N-terminal part of ThrRS, the C-terminal of AlaRS, and as a stand-alone protein; probable circular permutation of LuxS ( | RRF/tRNA synthetase additional domain-like core: alpha-beta(2)-alpha-beta(2); 2 layers: alpha/beta |
| d.129.9 | RalF, C-terminal domain contains a single copy of this fold decorated with additional structures ! | TBP-like beta-alpha-beta(4)-alpha |
| d.173.1 | Methionine synthase activation domain-like | Methionine synthase activation domain-like unusual fold; core: beta-alpha(2)-beta(2)-alpha(2)-beta-alpha-beta; antiparallel beta-sheet: order 12354 |
| d.58.25 | Killer toxin KP6 alpha-subunit | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.58.21 | Molybdenum cofactor biosynthesis protein C, MoaC | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.230.2 | Dodecin-like | Dodecin subunit-like beta-alpha-beta(2); 2 layers: alpha/beta; antiparallel beta-sheet: order 132 |
| 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.230.5 | YbjQ-like pentamer, beta/alpha-propeller; additional short beta-strands promote oligomeric assembly ! | Dodecin subunit-like beta-alpha-beta(2); 2 layers: alpha/beta; antiparallel beta-sheet: order 132 |
| d.22.1 | GFP-like | GFP-like beta-sheet folds into a barrel (n=11, S=14) around the central helix |
| d.79.9 | BB2672-like contains extra N-terminal strand and a beta-hairpin insertion between strands 3 and 4 that packs against the main beta-sheet | Bacillus chorismate mutase-like core: beta-alpha-beta-alpha-beta(2); mixed beta-sheet: order: 1423, strand 4 is antiparallel to the rest |
| 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.170.2 | A heparin-binding domain | SRCR-like unusual fold; disulfide-rich; core: beta-x-alpha-beta-loop-beta |
| b.121.5 | ssDNA viruses | Nucleoplasmin-like/VP (viral coat and capsid proteins) sandwich; 8 strands in 2 sheets; jelly-roll; some members can have additional 1-2 strands ! characteristic interaction between the domains of this fold allows the formation of five-fold and pseudo six-fold assemblies |
| b.121.7 | Satellite viruses | Nucleoplasmin-like/VP (viral coat and capsid proteins) sandwich; 8 strands in 2 sheets; jelly-roll; some members can have additional 1-2 strands ! characteristic interaction between the domains of this fold allows the formation of five-fold and pseudo six-fold assemblies |
| d.129.5 | MoaD-related protein, C-terminal domain contains a single copy of this fold ! | TBP-like beta-alpha-beta(4)-alpha |
| d.102.1 | Regulatory factor Nef | Regulatory factor Nef alpha(2)-beta(4)-alpha; 3 layers: alpha/beta/alpha |
| 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 |
| d.58.50 | Hypothetical protein TT1725 | Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2 |
| d.309.1 | AMMECR1-like | AMMECR1-like duplication; contains two beta(2)-alpha-beta(2) structural repeats, swapped with C-terminal strands; extra N-terminal helix and C-terminal strand |
| 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 |
| d.283.1 | Putative modulator of DNA gyrase, PmbA/TldD | Putative modulator of DNA gyrase, PmbA/TldD consists of two different alpha+beta domains; d1: [duplication of alpha-beta(3)-alpha motif; 2 layers: a/b; antiparallel beta-sheet, order: 321456; strands 1, 2, 4 and 5 are twice longer than other secondary structures]; d2 [ complex fold; contains beta-barrel (n=5, S=10)] |
| d.34.1 | DNA-binding domain of Mlu1-box binding protein MBP1 has some topological similarity to the "winged helix" DNA-binding domain, to B1 and B5 domains of PheRS-beta (1PYS CH B) and to methyl-CpG-binding domain ! | DNA-binding domain of Mlu1-box binding protein MBP1 beta(4)-alpha(2)-beta(2)-alpha; antiparallel sheet: order 123465 |
| b.120.1 | Tp47 lipoprotein, N-terminal domain | Tp47 lipoprotein, N-terminal domain complex fold; consists of two intertwined subdomains |
| f.12.1 | Head and neck region of the ectodomain of NDV fusion glycoprotein | Head and neck region of the ectodomain of NDV fusion glycoprotein 3 intertwined all-beta domains |