| Class a: All alpha proteins [46456] (284 folds) | 
| Fold a.137: Non-globular all-alpha subunits of globular proteins [48661] (14 superfamilies) not a true fold  | 
Superfamily a.137.11: Anti-sigma factor FlgM [101498] (1 family) ![]()  | 
| Family a.137.11.1: Anti-sigma factor FlgM [101499] (1 protein) | 
| Anti-sigma factor FlgM [101500] (1 species) | 
| Species Aquifex aeolicus [TaxId:63363] [101501] (2 PDB entries) | 
Timeline for Family a.137.11.1: Anti-sigma factor FlgM: