Class a: All alpha proteins [46456] (289 folds) |
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 |
Superfamily a.177.1: Sigma2 domain of RNA polymerase sigma factors [88946] (2 families) |
a.177.1.1: Sigma2 domain of RNA polymerase sigma factors [88947] (6 proteins) |
a.177.1.0: automated matches [254327] (1 protein) not a true family |
Timeline for Superfamily a.177.1: Sigma2 domain of RNA polymerase sigma factors: