1S67:
reference: Insights into signal transduction involving PAS domain oxygen-sensing heme proteins from the X-ray crystal structure of Escherichia coli Dos heme domain (Ec DosH)., Park H, Suquet C, Satterlee JD, Kang C, Biochemistry 2004 Mar 16;43(10):2738-46. PMID: 15005609

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