Figure 5 - full size

Figure 5.
Figure 5. (a) FK506 (from PDB 1FKF) modeled in the ligand-binding pocket of wild-type (violet) and E60Q (cyan) FKBP12. The rotation of W59 leads to a conformation that creates steric clash between its side chain and the docked FK506. (b) The network of interacting amino acids and Wat3 in FKBP12.