| SCOP superfamily ID |
superfamiily description |
corresponding fold description |
| b.82.1 | RmlC-like cupins | 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.121.4 | Positive stranded ssRNA 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 |
| 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.1.13 | Superoxide reductase-like | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.3.5 | Cna protein B-type domain | Prealbumin-like sandwich; 7 strands in 2 sheets, greek-key ! variations: some members have additional 1-2 strands to common fold |
| b.68.5 | YWTD domain | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.1.2 | Fibronectin type III | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.25.1 | Osmotin, thaumatin-like protein has two smaller insertion domains ! | Osmotin, thaumatin-like protein sandwich; 11 strands in 2 sheets |
| 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.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 |
| b.1.4 | beta-Galactosidase/glucuronidase domain | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.68.4 | TolB, C-terminal domain | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.29.1 | Concanavalin A-like lectins/glucanases | Concanavalin A-like lectins/glucanases sandwich; 12-14 strands in 2 sheets; complex topology |
| b.68.11 | Kelch motif | 6-bladed beta-propeller consists of six 4-stranded beta-sheet motifs; meander |
| b.14.1 | Calpain large subunit, middle domain (domain III) | Calpain large subunit, middle domain (domain III) sandwich; 8 strands in 2 sheets; jelly-roll |
| b.22.1 | TNF-like | TNF-like sandwich, 10 strands in 2 sheets; jelly-roll |
| 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.18.1 | Galactose-binding domain-like | Galactose-binding domain-like sandwich; 9 strands in 2 sheets; jelly-roll |
| 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 |
| b.69.11 | Putative isomerase YbhE | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.5.1 | alpha-Amylase inhibitor tendamistat | alpha-Amylase inhibitor tendamistat sandwich; 6 strands in 2 sheets |
| b.8.1 | TRAF domain-like has a circularly permuted immunoglobulin-fold topology with extra strand ! | TRAF domain-like sandwich; 8 strands in 2 sheets; greek-key |
| b.82.5 | TRAP-like shorter variant of double-helix; assembles in large ring-like structures containing from 9 to 11 domains ! | 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.19.1 | Viral protein domain forms homotrimers ! | Viral protein domain sandwich; 9 strands in 2 sheets; jelly-roll; form trimers |
| b.121.3 | Nucleoplasmin-like core domain oligomerizes into a pentameric ring structure ! | 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.1.18 | E set domains "Early" Ig-like fold families possibly related to the immunoglobulin and/or fibronectin type III superfamilies ! | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| 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 |
| b.1.7 | Actinoxanthin-like | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.115.1 | Calcium-mediated lectin | Calcium-mediated lectin sandwich; 9 strands in 2 sheets; greek-key |
| b.2.5 | p53-like transcription factors | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| b.7.2 | Periplasmic chaperone C-domain | C2 domain-like sandwich; 8 strands in 2 sheets; greek-key |
| b.116.1 | Viral chemokine binding protein m3 | Viral chemokine binding protein m3 consists of two different beta-sandwich domains of partial topological similarity to immunoglobulin-like folds |
| 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 |
| b.2.3 | Bacterial adhesins | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| b.121.2 | Group II dsDNA viruses VP duplication: consists of two domains of this fold packed together like the nucleoplasmin subunits ! trimeric; in the trimers, the domains are arranged around pseudo six-fold axis ! | 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.23.1 | Spermadhesin, CUB domain | CUB-like sandwich, 10 strands in 2 sheets; jelly-roll |
| b.69.2 | YVTN repeat-like/Quinoprotein amine dehydrogenase | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.7.5 | Smr-associated domain-like | C2 domain-like sandwich; 8 strands in 2 sheets; greek-key |
| b.135.1 | Superantigen (mitogen) Ypm | Superantigen (mitogen) Ypm sandwich; 9 strands in 2 sheets; jelly-roll |
| b.69.3 | Nitrous oxide reductase, N-terminal domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.136.1 | SspB-like | SspB-like core: barrel, open; n*=4, S*=8; meander; SH3-like topology; some similarity to the Sm-like fold |
| b.134.1 | Smp-1-like | Smp-1-like sandwich; 9 strands in 2 sheets; greek-key/jelly-roll |
| b.128.1 | Hypothetical protein YojF | Hypothetical protein YojF pseudobarrel; capped at one end by an alpha-helix |
| e.65.1 | VPA0735-like | VPA0735-like consists of a cluster of helices and two beta-sandwich domains of similar topology; probable duplication |
| 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.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.6.1 | Cupredoxins contains copper-binding site ! | Cupredoxin-like sandwich; 7 strands in 2 sheets, greek-key ! variations: some members have additional 1-2 strands |
| b.3.3 | VHL | Prealbumin-like sandwich; 7 strands in 2 sheets, greek-key ! variations: some members have additional 1-2 strands to common fold |
| 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 |
| b.11.1 | gamma-Crystallin-like | gamma-Crystallin-like sandwich; 8 strands in 2 sheets; greek-key ! duplication: has internal pseudo twofold symmetry |
| b.40.7 | CheW-like | OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key |
| b.1.12 | Purple acid phosphatase, N-terminal domain | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| 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.1.21 | Fungal immunomodulatory protein, FIP | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.91.1 | E2 regulatory, transactivation domain | E2 regulatory, transactivation domain complex fold made of bifurcated and coiled beta-sheets |
| d.219.1 | PP2C-like contain binuclear metal (Mn) centre ! | PP2C-like 4 layers: alpha/beta/beta/alpha; antiparallel beta sheets |
| c.86.1 | Phosphoglycerate kinase | Phosphoglycerate kinase consists of two non-similar domains, 3 layers (a/b/a) each ! Domain 1 has parallel beta-sheet of 6 strands, order 342156 ! Domain 2 has parallel beta-sheet of 6 strands, order 321456 |
| b.82.3 | cAMP-binding domain-like | 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.1.11 | PapD-like contains PP switch between strands D and C' ! | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.2.2 | Carbohydrate-binding domain | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| b.27.1 | Soluble secreted chemokine inhibitor, VCCI | Soluble secreted chemokine inhibitor, VCCI sandwich; 11 strands in 2 sheets; greek-key |
| b.132.1 | Supernatant protein factor (SPF), C-terminal domain | Supernatant protein factor (SPF), C-terminal domain sandwich; 8 strands in 2 sheets; jelly-roll; similarity to the Nucleoplasmin-like/VP fold |
| 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.1.15 | Integrin domains | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| 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 |
| b.82.6 | Thiamin pyrophosphokinase, substrate-binding domain | 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.3.2 | Carboxypeptidase regulatory domain-like | Prealbumin-like sandwich; 7 strands in 2 sheets, greek-key ! variations: some members have additional 1-2 strands to common fold |
| b.23.2 | Collagen-binding domain N-terminal strand appears only in calcium-free form ! | CUB-like sandwich, 10 strands in 2 sheets; jelly-roll |
| b.34.7 | DNA-binding domain of retroviral integrase | SH3-like barrel barrel, partly opened; n*=4, S*=8; meander ! the last strand is interrupted by a turn of 3-10 helix |
| b.2.7 | Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor duplication: one domain of this fold is inserted into another domain of the same fold ! | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| c.153.1 | YerB-like | YerB-like 3 layers: b/b/a; central mixed beta-sheet of 9 strands, order 541329678; strands 3 and 7 are antiparallel to the rest; an unusual "over the other end" connection between strands 3 and 4 |
| b.1.8 | Cu,Zn superoxide dismutase-like has additional strand at N-terminus ! | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.1.3 | PKD domain | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.1.27 | CalX-like | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.127.1 | Baseplate structural protein gp8 | Baseplate structural protein gp8 multisheet protein with a mixture of beta-sandwich and beta-barrel features |
| b.1.9 | CBD9-like has additional strand at N-terminus; the active site in a similar topological location as the Cu,Zn SOD site ! | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| d.172.1 | gp120 core | gp120 core unusual fold |
| b.1.23 | ApaG-like | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.1.20 | Tp47 lipoprotein, middle and C-terminal domains | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.16.1 | Ecotin, trypsin inhibitor | Ecotin, trypsin inhibitor sandwich; 8 strands in 2 sheets; complex topology with the crossing loops |
| b.1.22 | ASF1-like contains extra C-terminal strand ! | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| e.12.1 | DNA topoisomerase IV, alpha subunit | DNA topoisomerase IV, alpha subunit 2 domains: (1) toprim alpha/beta; (2) "winged helix"-like |
| b.121.1 | PHM/PNGase F members of this superfamily bind peptide substrates ! duplication: consists of two domains of this fold packed together like the adjacent nucleoplasmin subunits ! | 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.69.1 | Galactose oxidase, central domain | 7-bladed beta-propeller consists of seven 4-stranded beta-sheet motifs; meander |
| b.1.19 | Antigen MPT63/MPB63 (immunoprotective extracellular protein) | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.176.1 | AttH-like | AttH-like duplication: two flattened beta-barrels of lipocalin-like topology are orthogonally packed with a pseudo twofold symmetry |
| b.1.16 | Lamin A/C globular tail domain | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| 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 |
| 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 |
| b.2.6 | Cytochrome f, large domain | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| b.103.1 | MoeA N-terminal region -like | MoeA N-terminal region -like complex fold made of bifurcated and coiled b-sheets |
| e.35.1 | Membrane penetration protein mu1 | Membrane penetration protein mu1 4 domains: three intertwined predominately alpha domains and one jelly-roll beta-sandwich |
| b.1.10 | Clathrin adaptor appendage domain contains an additional N-terminal strand ! | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| b.3.7 | Hypothetical protein PA1324 | Prealbumin-like sandwich; 7 strands in 2 sheets, greek-key ! variations: some members have additional 1-2 strands to common fold |
| 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 |
| b.123.1 | Hypothetical protein TM1070 | Hypothetical protein TM1070 sandwich; 8 strands in 2 sheets; jelly-roll |
| 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 |
| b.166.1 | MAL13P1.257-like | MAL13P1.257-like complex fold; duplication: consists of two intertwinned structural repeats related by pseudo dyad |
| b.2.1 | Diphtheria toxin, C-terminal domain | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| b.42.2 | Ricin B-like lectins | beta-Trefoil barrel, closed; n=6, S=12; and a hairpin triplet; meander ! duplication: has internal pseudo threefold symmetry |
| 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 |
| g.41.15 | NOB1 zinc finger-like | Rubredoxin-like metal(zinc or iron)-bound fold; sequence contains two CX(n)C motifs, in most cases n = 2 |
| c.67.2 | PhnH-like single domain protein of similar topology to the core domain of PLP-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 |
| b.32.1 | gp9 | gp9 consists of two different beta-sandwich domains unrelated to other beta-sandwich folds |
| 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.112.1 | C-terminal domain of mollusc hemocyanin analogous to the Ig-like domain of arthropod hemocyanin; similar sequential but different spatial position relative the shared domain ! | C-terminal domain of mollusc hemocyanin six-stranded beta-sandwich, jelly-roll/greek-key topology |
| b.2.8 | beta-sandwich domain of Sec23/24 | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| b.121.6 | Group I dsDNA 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.177.1 | FAH | FAH unusual fold; contains 3 layers of beta-sheet structure |
| b.67.3 | Apyrase distorted propeller with an alpha helix inserted between the second and third blades ! | 5-bladed beta-propeller consists of five 4-stranded beta-sheet motifs; meander |
| d.264.1 | Prim-pol domain | Prim-pol domain consists of two alpha+beta domains |
| 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 |
| b.2.9 | Peptidylarginine deiminase Pad4, middle domain | Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold |
| g.41.1 | Methionyl-tRNA synthetase (MetRS), Zn-domain | Rubredoxin-like metal(zinc or iron)-bound fold; sequence contains two CX(n)C motifs, in most cases n = 2 |
| d.303.1 | BB1717-like | BB1717-like complex fold with a bifurcated beta-sheet structure surrounded by helices; contains beta-sheet barrel, closed (n=5, S=8) |
| 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.82.7 | Calcium ATPase, transduction domain A a distorted variant of double-helix ! | 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.1.25 | LEA14-like | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| 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.67.1 | Tachylectin-2 | 5-bladed beta-propeller consists of five 4-stranded beta-sheet motifs; meander |
| 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 |
| b.30.6 | V-region of surface antigen I/II (SA I/II, PAC) | Supersandwich sandwich; 18 strands in 2 sheets |
| b.1.17 | Thiol:disulfide interchange protein DsbD, N-terminal domain (DsbD-alpha) | Immunoglobulin-like beta-sandwich sandwich; 7 strands in 2 sheets; greek-key ! some members of the fold have additional strands |
| 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.117.1 | Obg GTP-binding protein N-terminal domain | Obg-fold this fold is formed by three glycine-rich regions inserted into a small 8-stranded beta-sandwich ! these regions form six left-handed collagen-like helices packed and H-bonded together |