SCOP 1.75: Family a.177.1.1: Sigma2 domain of RNA polymerase sigma factors

Lineage for Family a.177.1.1: Sigma2 domain of RNA polymerase sigma factors

1. Root: SCOP 1.75

2. Class a: All alpha proteins [46456] (284 folds)

3. Fold a.177: Sigma2 domain of RNA polymerase sigma factors [88945] (1 superfamily)
   multihelical; consists of a conserved 4-helical core and a variable insert subdomain

4. Superfamily a.177.1: Sigma2 domain of RNA polymerase sigma factors [88946] (1 family)

5. Family a.177.1.1: Sigma2 domain of RNA polymerase sigma factors [88947] (5 proteins)

Proteins:

1. Sigma factor SigA [88950] (1 species)

   • Species Thermus aquaticus [TaxId:271] [88951] (1 PDB entry)

2. Sigma factor sigma-28 (FliA) [101383] (1 species)

   • Species Aquifex aeolicus [TaxId:63363] [101384] (2 PDB entries)

3. Sigma factor SigR [81883] (1 species)

   • Species Streptomyces coelicolor a3(2) [TaxId:100226] [81884] (1 PDB entry)

4. Sigma70 [88948] (2 species)

   1. Species Escherichia coli [TaxId:562] [48332] (1 PDB entry)

   2. Species Thermus thermophilus [TaxId:274] [88949] (9 PDB entries)
      Uniprot Q9WX78

5. SigmaE factor (RpoE) [89120] (1 species)

   • Species Escherichia coli [TaxId:562] [89121] (1 PDB entry)

More info for Family a.177.1.1: Sigma2 domain of RNA polymerase sigma factors

Timeline for Family a.177.1.1: Sigma2 domain of RNA polymerase sigma factors:

• Family a.177.1.1: Sigma2 domain of RNA polymerase sigma factors first appeared in SCOP 1.65
  
• Family a.177.1.1: Sigma2 domain of RNA polymerase sigma factors appears in SCOP 1.73
  
• Family a.177.1.1: Sigma2 domain of RNA polymerase sigma factors appears in SCOPe 2.01
  
• Family a.177.1.1: Sigma2 domain of RNA polymerase sigma factors appears in the current release, SCOPe 2.08