Comparison of the heme-free and -bound crystal structures of human heme oxygenase-1.

Lad L, Schuller DJ, Shimizu H, Friedman J, Li H, Ortiz de Montellano PR, Poulos TL. Comparison of the heme-free and -bound crystal structures of human heme oxygenase-1. J Biol Chem. 2003 Mar 07; 278(10):7834-43.