![]() | Class a: All alpha proteins [46456] (218 folds) |
![]() | Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (13 superfamilies) core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down |
![]() | Superfamily a.4.13: Sigma3 and sigma4 domains of RNA polymerase sigma factors [88659] (3 families) ![]() |
![]() | Family a.4.13.2: Sigma4 domain [88665] (5 proteins) |
![]() | Sigma factor SigA [88668] (1 species) |
![]() | Species Thermus aquaticus [TaxId:271] [88669] (3 PDB entries) |
![]() | Sigma factor sigma-28 (FliA) [101057] (1 species) |
![]() | Species Aquifex aeolicus [TaxId:63363] [101058] (2 PDB entries) |
![]() | Sigma70 [88666] (1 species) |
![]() | Species Thermus thermophilus [TaxId:274] [88667] (2 PDB entries) |
![]() | SigmaE factor (RpoE) [88993] (1 species) |
![]() | Species Escherichia coli [TaxId:562] [88994] (1 PDB entry) |
![]() | SigmaF [74769] (1 species) |
![]() | Species Bacillus stearothermophilus [TaxId:1422] [74770] (1 PDB entry) |
Timeline for Family a.4.13.2: Sigma4 domain: