6IYH:
reference: Novel X-ray sequences and crystal structures of Persian and Starry sturgeon methemoglobins: Highlighting the role of heme pocket waters in causing autoxidation., Seyedarabi A, Ariaeenejad S, Moosavi-Movahedi AA, Rayati S, Poursasan N, Asiaie N, Seraj Z, Mehraban F, Seyedarabi SE, Biochim Biophys Acta Proteins Proteom. 2019 Mar 21;1867(6):586-594. doi:, 10.1016/j.bbapap.2019.03.008. PMID: 30904680

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).