Lineage for Protein: Sigma factor SigA
- Root: SCOP 1.65
Class a: All alpha proteins [46456] (179 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] (4 proteins) 
Protein Sigma factor SigA [88668] (1 species)
Species:
Thermus aquaticus [TaxId:271] [88669] (2 PDB entries) - Domain for 1ku3:
Domain d1ku3a_: 1ku3 A: [73000]
sigma4 domain only
mutant
- Domains for 1ku7:
Domain d1ku7a_: 1ku7 A: [73001] 
Domain d1ku7d_: 1ku7 D: [73002]
sigma4 domain only
mutant
- Domain for 1ku3:
More info for Protein Sigma factor SigA from a.4.13.2: Sigma4 domain
Timeline for Protein Sigma factor SigA from a.4.13.2: Sigma4 domain:
- Protein Sigma factor SigA from a.4.13.2: Sigma4 domain is new in SCOP 1.65
- Protein Sigma factor SigA from a.4.13.2: Sigma4 domain appears in SCOP 1.67
- Protein Sigma factor SigA from a.4.13.2: Sigma4 domain last appears in SCOP 1.69