Figure 1 - full size

 

Figure 1.
Fig. 1. (a) T4 Lysozyme L99A/M102Q binding site shown in complex with phenol and one ordered water molecule.^23 (b) Unwinding of helix F upon binding of certain ligands (cyan) yields an enlarged binding site relative to apo (orange).

The above figure is reprinted by permission from Elsevier: J Mol Biol (2009, 394, 747-763) copyright 2009.