A leucine residue "Gates" solvent but not O2 access to the binding pocket of phascolopsis gouldii hemerythrin.
Farmer CS, Kurtz DM, Phillips RS, Ai J, Sanders-Loehr J. A leucine residue "Gates" solvent but not O2 access to the binding pocket of phascolopsis gouldii hemerythrin. J Biol Chem. 2000 Jun 02; 275(22):17043-50.