Figure 2 - full size

Figure 2. Figure 2. Structure of Receptor-Bound IL-4Ribbon representation illustrating conformational differences between free IL-4 (yellow, 1rcb [[55]; green, 1int [ [52]) and IL-4 in complex with IL4-BP (red, wild-type IL-4; blue, SeMet-IL-4).

The above figure is reprinted by permission from Cell Press: Cell (1999, 97, 271-281) copyright 1999.