Sigma2 domain of RNA polymerase sigma factors (5 domains)
Class (a): All alpha proteins [46456]
Fold (a.177): Sigma2 domain of RNA polymerase sigma factors [88945]
Superfamily (a.177.1): Sigma2 domain of RNA polymerase sigma factors [88946]
Family (a.177.1.1): Sigma2 domain of RNA polymerase sigma factors [88947]
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