VFEELKRYVGWGDGDERALRSLHGAAAPHFPRLAEEFYDRILGHEGARTA LVGGESQVGHLKVTMIAWLDELLGGPWDEAYWDRRYRIGRVHVRIGLPQH YMFGAMNVHRTGLARLAYERFHGDPPELERVRNALGKVLDLELAVMLHTY R
5ohe Coordination and redox state-dependent structural changes of the heme-based oxygen sensor AfGcHK associated with intraprotein signal transduction.