| Class a: All alpha proteins [46456] (179 folds) |
| Fold a.26: 4-helical cytokines [47265] (1 superfamily) core: 4 helices; bundle, closed; left-handed twist; 2 crossover connections |
Superfamily a.26.1: 4-helical cytokines [47266] (3 families) ![]() there are two different topoisomers of this fold with different entanglments of the two crossover connections |
| Family a.26.1.1: Long-chain cytokines [47267] (9 proteins) |
| Protein Interleukin-6 [47272] (2 species) |
| Species Human (Homo sapiens) [TaxId:9606] [47273] (4 PDB entries) |
| Domain d1alu__: 1alu - [16826] complexed with so4, tar |
| Domain d1il6__: 1il6 - [16827] |
| Domain d2il6__: 2il6 - [16828] |
Timeline for Species Human (Homo sapiens) [TaxId:9606] from a.26.1.1 Interleukin-6: