| Class a: All alpha proteins [46456] (284 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] (4 families) ![]() there are two different topoisomers of this fold with different entanglements of the two crossover connections |
| Family a.26.1.1: Long-chain cytokines [47267] (10 proteins) |
| Ciliary neurotrophic factor (CNTF) [47280] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [47281] (1 PDB entry) |
| Granulocyte-colony stimulating factor (G-CSF) [47268] (3 species) |
| Species Cow (Bos taurus) [TaxId:9913] [47270] (1 PDB entry) |
| Species Dog (Canis familiaris) [TaxId:9615] [47271] (2 PDB entries) |
| Species Human (Homo sapiens) [TaxId:9606] [47269] (4 PDB entries) |
| Growth hormone, somatotropin [47276] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [47277] (9 PDB entries) |
| Heterodimeric interleukin-12 alpha chain [63530] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [63531] (1 PDB entry) |
| Interleukin-6 [47272] (2 species) |
| Species Human (Homo sapiens) [TaxId:9606] [47273] (6 PDB entries) |
| Species Human herpesvirus 8, Kaposi's sarcoma herpes-virus [TaxId:37296] [63528] (1 PDB entry) |
| Leptin (obesity protein) [47282] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [47283] (1 PDB entry) |
| Leukemia inhibitory factor (LIF) [47274] (2 species) |
| Species Human (Homo sapiens) [TaxId:9606] [63529] (3 PDB entries) |
| Species Mouse (Mus musculus) [TaxId:10090] [47275] (2 PDB entries) |
| Oncostatin M [47284] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [47285] (1 PDB entry) |
| Prolactin (placental lactogen) [47278] (2 species) |
| Species Human (Homo sapiens) [TaxId:9606] [89035] (3 PDB entries) |
| Species Sheep (Ovis aries) [TaxId:9940] [47279] (1 PDB entry) |
| automated matches [190263] (1 species) not a true protein |
| Species Human (Homo sapiens) [TaxId:9606] [187052] (9 PDB entries) |
Timeline for Family a.26.1.1: Long-chain cytokines: