Figure 2 - full size

 

Figure 2.
Figure 2 Comparison of Eph receptor KD crystal structures. (A) Superposition of active Eph KD structures with auto-inhibited EphB2 structures (PDB ID 1JPA). KDs were aligned using C^ atoms of the C-lobes (left panel) and C^ atoms of the N-lobes (right panel). Spheres represent the ordered boundaries of the KD activation segment. (B) Stereo view of kinked KD helices C. The Eph receptor KDs (colored as in panel A) were superimposed using C^ atoms of helix C. The kink stabilizing side chains of Ser677 and Ser680 in auto-inhibited EphB2 JMS-KD are shown in dark blue. (C) View of the inter-lobe cleft, highlighting the ordered regions of the KD activation segments (colored as in panel A). (D) Superposition of EphB2 JMS-KD with the active Eph KD structures, highlighting the region surrounding Tyr750. Backbone traces are colored as in panel A, with all side chains colored according to their respective backbones. The backbone of a typical activation segment conformation from the active insulin RTK (1IR3) is shown in magenta.

The above figure is reprinted by permission from Macmillan Publishers Ltd: EMBO J (2006, 25, 4686-4696) copyright 2006.