| Class c: Alpha and beta proteins (a/b) [51349] (148 folds) |
| Fold c.37: P-loop containing nucleoside triphosphate hydrolases [52539] (1 superfamily) 3 layers: a/b/a, parallel or mixed beta-sheets of variable sizes |
Superfamily c.37.1: P-loop containing nucleoside triphosphate hydrolases [52540] (25 families) ![]() division into families based on beta-sheet topologies |
| Family c.37.1.19: Tandem AAA-ATPase domain [81268] (24 proteins) duplication: tandem repeat of two RecA-like (AAA) domains |
| ATP-dependent RNA helicase DDX25 [142310] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [142311] (1 PDB entry) Uniprot Q9UHL0 307-474 |
| DEAD box RNA helicase rck/p54 [102387] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [102388] (1 PDB entry) |
| DEXX box DNA helicase [52701] (2 species) each AAA domain contains an all-alpha insert subdomain |
| Species Bacillus stearothermophilus, PcrA [TaxId:1422] [52702] (5 PDB entries) |
| Species Escherichia coli, RepD [TaxId:562] [52703] (1 PDB entry) |
| DNA repair protein RAD25 [142318] (1 species) shares with the DNA helicase UvsW (102396) extra N-terminal alpha+beta subdomain that might be related to the DNA repair protein MutS domain I (55271) |
| Species Archaeoglobus fulgidus [TaxId:2234] [142319] (3 PDB entries) Uniprot O29889 237-436! Uniprot O29889 238-434! Uniprot O29889 3-236! Uniprot O29889 4-209 |
| Exodeoxyribonuclease V alpha chain (RecD) [117554] (1 species) contains extra N-terminal alpha+beta (sub)domain (~100 residues) |
| Species Escherichia coli [TaxId:562] [117555] (1 PDB entry) Uniprot P04993 |
| Exodeoxyribonuclease V beta chain (RecB), N-terminal domain [117550] (1 species) each AAA domain contains an all-alpha insert subdomain |
| Species Escherichia coli [TaxId:562] [117551] (1 PDB entry) Uniprot P08394 |
| Exodeoxyribonuclease V gamma chain (RecC), N-terminal domain [117552] (1 species) each AAA domain contains an all-alpha insert subdomain |
| Species Escherichia coli [TaxId:562] [117553] (1 PDB entry) Uniprot P07648 |
| Hel308 helicase [159575] (1 species) |
| Species Archaeoglobus fulgidus [TaxId:2234] [159576] (1 PDB entry) |
| Helicase of the SNF2/Rad54 hamily [142312] (1 species) |
| Species Sulfolobus solfataricus [TaxId:2287] [142313] (2 PDB entries) Uniprot Q97XQ7 432-661! Uniprot Q97XQ7 662-802! Uniprot Q97XQ7 663-802 |
| Initiation factor 4a [52706] (2 species) homologous to UvrB |
| Species Baker's yeast (Saccharomyces cerevisiae) [TaxId:4932] [52707] (4 PDB entries) |
| Species Human (Homo sapiens) [TaxId:9606] [142305] (2 PDB entries) Uniprot P60842 21-238 4A-I |
| Nucleotide excision repair enzyme UvrB [52708] (2 species) contains large insertions in the first AAA domain |
| Species Bacillus caldotenax [TaxId:1395] [52710] (4 PDB entries) Uniprot P56981 |
| Species Thermus thermophilus [TaxId:274] [52709] (2 PDB entries) |
| Probable ATP-dependent RNA helicase DDX48 [142314] (1 species) Eukaryotic translation initiation factor 4A isoform 3 |
| Species Human (Homo sapiens) [TaxId:9606] [142315] (2 PDB entries) Uniprot P38919 22-243! Uniprot P38919 244-411 |
| Probable DEAD box RNA helicase YqfR [102383] (1 species) |
| Species Bacillus stearothermophilus [TaxId:1422] [102384] (1 PDB entry) |
| Putative ATP-dependent RNA helicase DHH1 [142322] (1 species) |
| Species Baker's yeast (Saccharomyces cerevisiae) [TaxId:4932] [142323] (1 PDB entry) Uniprot P39517 252-422! Uniprot P39517 46-251 |
| putative ATP-dependent RNA helicase PF2015 [142308] (1 species) separate structures of other domains are known: the middle nuclease domain (89718) and the C-terminal RuvA-like HhH domain (PDB 1x2i) |
| Species Pyrococcus furiosus [TaxId:2261] [142309] (1 PDB entry) Uniprot Q8TZH8 2-201! Uniprot Q8TZH8 202-487 |
| putative ATP-dependent RNA helicase VlgB [142306] (1 species) |
| Species Flatworm (Dugesia japonica) [TaxId:6161] [142307] (1 PDB entry) Uniprot O97032 164-401 |
| Putative DEAD box RNA helicase [52704] (1 species) homologous to eIF4a and UvrB |
| Species Methanococcus jannaschii [TaxId:2190] [52705] (1 PDB entry) |
| Rad54-like, Rad54L [142316] (1 species) |
| Species Zebrafish (Danio rerio) [TaxId:7955] [142317] (1 PDB entry) Uniprot Q7ZV09 390-735! Uniprot Q7ZV09 92-389 |
| RecG helicase domain [69494] (1 species) |
| Species Thermotoga maritima [TaxId:2336] [69495] (1 PDB entry) |
| RecQ helicase domain [102385] (1 species) |
| Species Escherichia coli [TaxId:562] [102386] (2 PDB entries) |
| Spliceosome RNA helicase BAT1 (UAP56) [110562] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [110563] (5 PDB entries) Uniprot Q13838 45-428 |
| Transcription-repair coupling factor, TRCF [142320] (1 species) similar to UvrB in the N-terminal part and DEAD helicases in the C-terminal part; also contains CarD-like domain in the middle and TRCF domain at the C-terminus |
| Species Escherichia coli [TaxId:562] [142321] (2 PDB entries) Uniprot P30958 2-348! Uniprot P30958 26-333! Uniprot P30958 349-465! Uniprot P30958 546-778! Uniprot P30958 779-989 |
| Translocation ATPase SecA, nucleotide-binding domains [82414] (3 species) a pre-protein crosslinking domain inserted in the first AAA domain |
| Species Bacillus subtilis [TaxId:1423] [82415] (4 PDB entries) Uniprot P28366 |
| Species Mycobacterium tuberculosis [TaxId:1773] [89687] (2 PDB entries) |
| Species Thermotoga maritima MSB8 [TaxId:243274] [267718] (1 PDB entry) |
| automated matches [190301] (5 species) not a true protein |
| Species Escherichia coli K-12 [TaxId:83333] [232480] (1 PDB entry) |
| Species Flatworm (Dugesia japonica) [TaxId:6161] [188089] (1 PDB entry) |
| Species Human (Homo sapiens) [TaxId:9606] [187108] (3 PDB entries) |
| Species Sulfolobus solfataricus [TaxId:2287] [267762] (1 PDB entry) |
| Species Sulfolobus solfataricus [TaxId:273057] [267761] (1 PDB entry) |
Timeline for Family c.37.1.19: Tandem AAA-ATPase domain: