Figure 3 - full size

 

Figure 3.
Figure 3: Structure of the Rac -Arfaptin complex. a, Rac -Arfaptin complex shown in ribbons representation, with Arfaptin in the same orientation as shown in Fig. 1b, bottom. Helices of the Rac are red, -strands are green and the nucleotide is in yellow ball-and-stick representation. One monomer of the Arfaptin dimer is shown in blue, the other in pink. b, Arfaptin -Rac interface shown as an 'open book' representation. The C positions of residues that interact are indicated by white spheres. Residue type and number are shown in black type with interacting residues from the other protein indicated in red (hydrogen-bonding interactions) or green (non-polar/van der Waals interactions). Asterisk denotes His 57 from Arfaptin molecule 'B' of the dimer (blue); all other Arfaptin residues are contributed from molecule 'A' (yellow). The two 'switch' regions of Rac are highlighted in red.

The above figure is reprinted by permission from Macmillan Publishers Ltd: Nature (2001, 411, 215-219) copyright 2001.