2BNL:
reference: Structure of a nonheme globin in environmental stress signaling., Murray JW, Delumeau O, Lewis RJ, Proc Natl Acad Sci U S A. 2005 Nov 29;102(48):17320-5. Epub 2005 Nov 21. PMID: 16301540

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