TIM beta/alpha-barrel [51350] (33) contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 the first seven superfamilies have similar phosphate-binding sites
NAD(P)-binding Rossmann-fold domains [51734] (1) core: 3 layers, a/b/a; parallel beta-sheet of 6 strands, order 321456 The nucleotide-binding modes of this and the next two folds/superfamilies are similar
FAD/NAD(P)-binding domain [51904] (1) core: 3 layers, b/b/a; central parallel beta-sheet of 5 strands, order 32145; top antiparallel beta-sheet of 3 strands, meander
Nucleotide-binding domain [51970] (1) 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; Rossmann-like
MurCD N-terminal domain [51983] (1) 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32145; incomplete Rossmann-like fold; binds UDP group
7-stranded beta/alpha barrel [51988] (3) variant of beta/alpha barrel; parallel beta-sheet barrel, closed, n=7, S=8; strand order 1234567; some members may have fewer strands
PFL-like glycyl radical enzymes [51997] (1) contains: barrel, closed; n=10, S=10; accommodates a hairpin loop inside the barrel
The "swivelling" beta/beta/alpha domain [52008] (10) 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
Barstar-like [52037] (2) 2 layers, a/b; parallel beta-sheet of 3 strands, order 123
MurF and HprK N-domain-like [63417] (2) core: 3 layers, a/b/a; parallel beta-sheet of 4 strands, order 1234; structural similarity of the MurF and HprK extends beyond the core.
DsrEFH-like [75168] (1) 3 layers: a/b/a, core: parallel beta-sheet of 5 strands, order 43215
PIN domain-like [88722] (1) 3 layers, a/b/a; core: parallel beta-sheet of 5 strands, order 32145
Ribose/Galactose isomerase RpiB/AlsB [89622] (1) 3 layers: a/b/a, core: parallel beta-sheet of 5 strands, order 21354; topological similarity to a part of the arginase/deacetylase fold
Dipeptide transport protein [63991] (1) 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456; also contains a C-terminal alpha+beta subdomain
Cell-division inhibitor MinC, N-terminal domain [64042] (1) beta(2)-(alpha-beta)2-beta; 2 layers, a/b; mixed beta-sheet of 5 strands, order 12345; strands 1 & 5 are antiparallel to the rest
DTD-like [69499] (1) beta(2)-(alpha-beta)2-beta(3); 3 layers, a/b/b; some topological similarity to the N-terminal domain of MinC
CoA-dependent acyltransferases [52776] (1) core: 2 layers, a/b; mixed beta-sheet of 6 strands, order 324561; strands 3 & 6 are antiparallel to the rest
Anticodon-binding domain-like [52953] (6) 3 layers: a/b/a; mixed beta-sheet of five strands, order 21345; strand 4 is antiparallel to the rest
MTH938-like [64075] (1) core: 3 layers, b+a/b/a ; the central mixed sheet of 5 strands: order 21534; strand 2 is antiparallel to the rest
Restriction endonuclease-like [52979] (4) 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
Resolvase-like [53040] (2) Core: 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 21345; strand 5 is antiparallel to the rest
Ribonuclease H-like motif [53066] (7) 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32145; strand 2 is antiparallel to the rest
Phosphorylase/hydrolase-like [53162] (8) core: 3 layers, a/b/a ; mixed sheet of 5 strands: order 21354; strand 4 is antiparallel to the rest; contains crossover loops
Molybdenum cofactor biosynthesis proteins [53217] (1) 3 layers: a/b/a; mixed beta-sheet of 5 strands; order: 21354, strand 5 is antiparallel to the rest; permutation of the Phosphorylase/hydrolase-like fold
CobE/GbiG C-terminal domain-like [159663] (1) 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32154; strand 5 is antiparallel to the rest
CbiG N-terminal domain-like [159671] (1) 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 213456, strand 5 is antiparallel to the rest
Bacterial fluorinating enzyme, N-terminal domain [102521] (1) 3 layers: a/b/a; mixed beta-sheet of 6 strands; order: 213546, strand 5 is antiparallel to the rest; topological similarity to the MogA-like family fold
Caspase-like [52128] (1) 3 layers, a/b/a; core: mixed beta-sheet of 6 strands, order 213456, strand 6 is antiparallel to the rest
Macro domain-like [52948] (1) 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 165243, strand 3 is antiparallel to the rest
RbsD-like [102545] (1) 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 251634; strand 6 is antiparallel to the rest
FabD/lysophospholipase-like [52150] (1) core: 3 layers, a/b/a; mixed beta-sheet of 6 strands, order 432156; strand 4 is antiparallel to the rest
L-sulfolactate dehydrogenase-like [89732] (1) core: 3 layers, a/b/a; mixed sheet of 7 strands, order 1237456; strands 1, 6 and 7 are antiparallel to the rest
Formyltransferase [53327] (1) 3 layers: a/b/a; mixed beta-sheet of 7 strands, order 3214567; strand 6 is antiparallel to the rest
LmbE-like [102587] (1) 3 layers, a/b/a; mixed beta-sheet of 7 strands, order 3214576; strand 7 is antiparallel to the rest; topological similarity to SAM-dependent methyltransferases
PLP-dependent transferase-like [53382] (3) main domain: 3 layers: a/b/a, mixed beta-sheet of 7 strands, order 3245671; strand 7 is antiparallel to the rest
RibA-like [142694] (1) 3 layers: a/b/a; mixed beta-sheet of 7 strands, order 1235467, strands 1 and 3 are antiparallel to the rest; partial topological similarity to some alpha/beta hydrolases (scop_cf 53473)
alpha/beta-Hydrolases [53473] (1) core: 3 layers, a/b/a; mixed beta-sheet of 8 strands, order 12435678, strand 2 is antiparallel to the rest
Nucleoside hydrolase [53589] (1) core: 3 layers, a/b/a ; mixed beta-sheet of 8 strands, order 32145687; strand 7 is antiparallel to the rest
Dihydrofolate reductase-like [53596] (1) 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 34251687; strand 8 is antiparallel to the rest
Ribokinase-like [53612] (3) core: 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 21345678, strand 7 is antiparallel to the rest potential superfamily: members of this fold have similar functions but different ATP-binding sites
YjeF N-terminal domain-like [64152] (1) 3 layers: a/b/a; mixed (mainly parallel) beta-sheet of 8 strands, order 32145678; strand 8 is antiparallel to the rest
Carbamate kinase-like [53632] (1) 3 layers: a/b/a; mixed (mainly parallel) beta-sheet of 8 strands, order 34215786; strand 8 is antiparallel to the rest
Alkaline phosphatase-like [53648] (1) core:3 layers: a/b/a; mixed beta-sheet of 8 strands, order 43516728, strand 7 is antiparallel to the rest
TTHA0583/YokD-like [110709] (1) 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 78612354; strands 3, 4 and 8 are antiparallel to the rest
Glycerol-3-phosphate (1)-acyltransferase [69592] (1) 3 layers: a/b/a; mixed beta-sheet of 9 strands, order 918736452; strands 1, 2 and 8 are antiparallel to the rest
AraD/HMP-PK domain-like [53638] (1) 3 layers: a/b/a; mixed (mostly antiparallel) beta-sheet of 9 strands, order 432159876; left-handed crossover between strands 4 and 5
SurE-like [64166] (1) 3 layers: a/b/a; mixed beta-sheet of 9 strands, order 342156798; strands 3, 8 and 9 are antiparallel to the rest; left-handed crossover connection between strands 6 and 7
YerB-like [159773] (1) 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
CdCA1 repeat-like [159778] (1) contains two parallel beta-strands of four strands each; the sheets contact each other with edges at a right angle
Isocitrate/Isopropylmalate dehydrogenase-like [53658] (1) consists of two intertwined (sub)domains related by pseudo dyad; duplication 3 layers: a/b/a; single mixed beta-sheet of 10 strands, order 213A945867 (A=10); strands from 5 to 9 are antiparallel to the rest
Amidase signature (AS) enzymes [75303] (1) 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
ATC-like [53670] (2) consists of two similar domains related by pseudo dyad; duplication core: 3 layers, a/b/a, parallel beta-sheet of 4 strands, order 2134
SIS domain [53696] (1) 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 21345
Formate dehydrogenase/DMSO reductase, domains 1-3 [53705] (1) contains of two similar intertwined domains related by pseudo dyad; duplication core: 3 layers: a/b/a; parallel beta-sheet of 5 strands, order 32451
ALDH-like [53719] (1) consists of two similar domains with 3 layers (a/b/a) each; duplication core: parallel beta-sheet of 5 strands, order 32145
NadA-like [142753] (1) duplication; consists of three similar domains related by pseudo threefold symmetry; 3 layers, a/b/a; parallel beta sheet, order: 2134
Aconitase iron-sulfur domain [53731] (1) consists of three similar domains with 3 layers (a/b/a) each; duplication core: parallel beta-sheet of 5 strands, order 32145
Phosphoglucomutase, first 3 domains [53737] (1) consists of three similar domains with 3 layers (a/b/a) each; duplication core: mixed beta-sheet of 4 strands, order 2134, strand 4 is antiparallel to the rest
FucI/AraA N-terminal and middle domains [53742] (1) consists of two domains of similar topology, 3 layers (a/b/a) each Domain 1 (1-173) has parallel beta-sheet of 5 strands, order 21345 Domain 2 (174-355) has parallel beta-sheet of 4 strands, order 2134
YgbK-like [142763] (1) consists of two domains with partial topological similarity to the P-loop kinases but without the P-loop motif; the domain association results in the formation of a single mixed beta-sheet of 15 strands
Phosphoglycerate kinase [53747] (1) 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
UDP-Glycosyltransferase/glycogen phosphorylase [53755] (1) consists of two non-similar domains with 3 layers (a/b/a) each domain 1: parallel beta-sheet of 7 strands, order 3214567 domain 2: parallel beta-sheet of 6 strands, order 321456
Glutaminase/Asparaginase [53773] (1) consists of two non-similar alpha/beta domains, 3 layers (a/b/a) each Domain 1 has mixed beta-sheet of 6 strands, order 213456, strand 6 is antiparallel to the rest; left-handed crossover connection between strands 4 and 5 Domain 2 has parallel beta-sheet of 4 strands, order 1234
Phosphofructokinase [53783] (1) consists of two non-similar domains, 3 layers (a/b/a) each Domain 1 has mixed sheet of 7 strands, order 3214567; strands 3 & 7 are antiparallel to the rest Domain 2 has parallel sheet of 4 strands, order 2314
Tetrapyrrole methylase [53789] (1) 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
GckA/TtuD-like [82543] (1) 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
DAK1/DegV-like [82548] (1) 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]
DHH phosphoesterases [64181] (1) consists of two non-similar domains Domain 1 has parallel sheet of 6 strands, order 321456 Domain 2 has mixed sheet of 5 strands, order 12345; strands 1 & 4 are antiparallel to the rest
Glycerate kinase I [110737] (1) consists of two different alpha/beta domains; (1) of the Flavodoxin-like fold (scop_cf 52171); (2) similar to the Restriction endonuclease-like fold (scop_cf 52979), inserted into domain 1
PEP carboxykinase-like [53794] (1) contains a P-loop NTP-binding motif; mixed beta-sheet folds into a barrel-like structure with helices packed on one side
PEP carboxykinase N-terminal domain [68922] (1) contains mixed beta-sheets; topology is partly similar to that of the catalytic C-terminal domain
Chelatase-like [53799] (3) duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134
HemD-like [69617] (1) duplication: consists of two similar 'swapped' domain with 3 layers (a/b/a) each; parallel beta-sheet of 5 strands, order 21345
CAC2185-like [142794] (1) consists of two non-similar domains, 3 layers (a/b/a) each; d1 has parallel sheet of 4 strands, order 2134; d2 has parallel sheet of 5 strands, order 21345, and antiparallel meander sheet of 3 strands
Periplasmic binding protein-like I [53821] (1) consists of two similar intertwined domain with 3 layers (a/b/a) each: duplication parallel beta-sheet of 6 strands, order 213456
Periplasmic binding protein-like II [53849] (1) 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
Thiolase-like [53900] (1) 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
NIF3 (NGG1p interacting factor 3)-like [102704] (1) consist of two intertwined domains; duplication: contains two structural repeats of alpha-beta-(beta-alpha)3 motif with mixed beta-sheet, order: 1432, strand 1 is antiparallel to the rest
Fe-only hydrogenase [53919] (1) consist of two intertwined domains; contains partial duplication
ComB-like [142822] (1) contains of two similar intertwined domains related by pseudo dyad; duplication; core: 3 layers: a/b/a; parallel beta-sheet of 4 strands, order 1423
CoA-transferase family III (CaiB/BaiF) [89795] (1) consist of two different alpha/beta domains; N-terminal domain has a SurE-like topology with a left-handed beta-alpha-beta unit
Cytidine deaminase-like [53926] (2) core: alpha-beta(2)-(alpha-beta)2; 3 layers (a/b/a); mixed beta-sheet of 4 strands, order 2134; strand 1 is antiparallel to the rest