| 2YKZ: reference: Carbon monoxide poisoning is prevented by the energy costs of conformational changes in gas-binding haemproteins., Antonyuk SV, Rustage N, Petersen CA, Arnst JL, Heyes DJ, Sharma R, Berry NG, Scrutton NS, Eady RR, Andrew CR, Hasnain SS, Proc Natl Acad Sci U S A. 2011 Sep 20;108(38):15780-5. Epub 2011 Sep 7. PMID: 21900609 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).