| Class a: All alpha proteins [46456] (226 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 entanglements of the two crossover connections |
| Family a.26.1.2: Short-chain cytokines [47286] (11 proteins) |
| Protein Interleukin-4 (IL-4) [47291] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [47292] (13 PDB entries) |
| Domain d1bbn__: 1bbn - [16861] |
| Domain d1bcn__: 1bcn - [16862] |
| Domain d1cyl__: 1cyl - [16860] |
| Domain d1hij__: 1hij - [16857] mutant |
| Domain d1hik__: 1hik - [16856] |
| Domain d1hzia_: 1hzi A: [61449] complexed with so4; mutant |
| Domain d1iara_: 1iar A: [16853] Other proteins in same PDB: d1iarb1, d1iarb2 mutant |
| Domain d1iti__: 1iti - [16864] mutant |
| Domain d1itl__: 1itl - [16859] mutant |
| Domain d1itm__: 1itm - [16858] |
| Domain d1rcb__: 1rcb - [16854] |
| Domain d2cyk__: 2cyk - [16863] |
| Domain d2int__: 2int - [16855] |
Timeline for Species Human (Homo sapiens) [TaxId:9606] from a.26.1.2 Interleukin-4 (IL-4):