| 2XQB | A:1-112 | CRYSTAL STRUCTURE OF ANTI-IL-15 ANTIBODY IN COMPLEX WITH HUMAN IL-15 |
| 2Z3Q | C:1-112; C:1-112 | CRYSTAL STRUCTURE OF THE IL-15/IL-15RA COMPLEX |
| 2Z3R | O:1-112; O:1-112; O:1-112; O:1-112; O:1-112; O:1-112; O:1-112; O:1-112 | CRYSTAL STRUCTURE OF THE IL-15/IL-15RA COMPLEX |
| 2OQP | A:2-121 | SOLUTION STRUCTURE OF HUMAN INTERLEUKIN-21 |