Crystal structures of the ferric, ferrous, and ferrous-NO forms of the Asp140Ala mutant of human heme oxygenase-1: catalytic implications
Lad, L., Wang, J., Li, H., Friedman, J., Bhaskar, B., Ortiz de Montellano, P.R., Poulos, T.L.(2003) J Mol Biol 330: 527-538
- PubMed: 12842469 
- DOI: 10.1016/s0022-2836(03)00578-3
- Primary Citation of Related Structures:  
1OYK, 1OYL, 1OZE, 1OZL, 1OZR, 1OZW - PubMed Abstract: 
Site-directed mutagenesis studies have shown that Asp140 in both human and rat heme oxygenase-1 is critical for enzyme activity. Here, we report the D140A mutant crystal structure in the Fe(III) and Fe(II) redox states as well as the Fe(II)-NO complex as a model for the Fe(II)-oxy complex ...