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.26.1.2: Short-chain cytokines [47286] (14 proteins) |
Protein Interleukin-21 (IL-21) [158425] (1 species) |
Species Human (Homo sapiens) [TaxId:9606] [158426] (2 PDB entries) Uniprot Q9HBE4 23-155 |
Domain d2oqpa1: 2oqp A:2-134 [148997] |
Domain d3tgxb_: 3tgx B: [200813] automated match to d2oqpa1 complexed with ful, man, ni, so4 |
Domain d3tgxd_: 3tgx D: [200814] automated match to d2oqpa1 complexed with ful, man, ni, so4 |
Domain d3tgxf_: 3tgx F: [200815] automated match to d2oqpa1 complexed with ful, man, ni, so4 |
Domain d3tgxh_: 3tgx H: [200816] automated match to d2oqpa1 complexed with ful, man, ni, so4 |
Domain d3tgxj_: 3tgx J: [196026] automated match to d2oqpa1 complexed with ful, man, ni, so4 |
Domain d3tgxl_: 3tgx L: [200817] automated match to d2oqpa1 complexed with ful, man, ni, so4 |
Domain d3tgxn_: 3tgx N: [200818] automated match to d2oqpa1 complexed with ful, man, ni, so4 |
Domain d3tgxp_: 3tgx P: [196025] automated match to d2oqpa1 complexed with ful, man, ni, so4 |
Timeline for Species Human (Homo sapiens) [TaxId:9606] from a.26.1.2 Interleukin-21 (IL-21):