2BMM:
reference: A novel thermostable hemoglobin from the actinobacterium Thermobifida fusca., Bonamore A, Ilari A, Giangiacomo L, Bellelli A, Morea V, Boffi A, FEBS J. 2005 Aug;272(16):4189-201. PMID: 16098200

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