| Class a: All alpha proteins [46456] (171 folds) |
| Fold a.132: Heme oxygenase [48612] (1 superfamily) multihelical; bundle |
Superfamily a.132.1: Heme oxygenase [48613] (2 families) ![]() duplication: contains two structural repeats of 3-helical motif |
| a.132.1.1: Eukaryotic heme oxygenase [48614] (1 protein) |
| a.132.1.2: Gram-negative bacterial heme oxygenase [63627] (1 protein) |
Timeline for Superfamily a.132.1: Heme oxygenase: