Class a: All alpha proteins [46456] (202 folds) |
Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (12 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] (2 families) |
Family a.4.13.2: Sigma4 domain [88665] (5 proteins) |
Protein Sigma factor SigA [88668] (1 species) |
Thermus aquaticus [TaxId:271] [88669] (3 PDB entries) |
Domain d1ku3a_: 1ku3 A: [73000] sigma4 domain only mutant |
Domain d1ku7a_: 1ku7 A: [73001] |
Domain d1ku7d_: 1ku7 D: [73002] sigma4 domain only mutant |
Domain d1rioh_: 1rio H: [97515] Other proteins in same PDB: d1rioa_, d1riob_ complexed with ca, mpd |
Timeline for Protein Sigma factor SigA from a.4.13.2: Sigma4 domain: