| Class h: Coiled coil proteins [57942] (7 folds) | 
| Fold h.1: Parallel coiled-coil [57943] (35 superfamilies) this is not a true fold; includes oligomers of shorter identical helices  | 
Superfamily h.1.3: Leucine zipper domain [57959] (1 family) ![]()  | 
| Family h.1.3.1: Leucine zipper domain [57960] (16 proteins) | 
| Protein C/ebp beta [57985] (2 species) | 
| Species Mouse (Mus musculus) [TaxId:10090] [57986] (1 PDB entry) | 
| Domain d1ci6b_: 1ci6 B: [45549] Other proteins in same PDB: d1ci6a_ heterodimer with Atf4 complexed with bme, fe  | 
Timeline for Species Mouse (Mus musculus) [TaxId:10090] from h.1.3.1 C/ebp beta: