>3R0G_1|Chains A, B|Methanosarcina acetivorans protoglobin|METHANOSARCINA ACETIVORANS (2214) MSVEKIPGYTYGETENRAPFNLEDLKLLKEAVMFTAEDEEYIQKAGEVLEDQVEEILDTWYGFVGSHPHLLYYFTSPDGTPNEKYLAAVRKRFSRWILDTSNRSYDQAWLDYQYEIGLRHHRTKKNQTDNVESVPNIGYRYLVAFIYPFTATMKPFLARKGHTPEEVEKMYQAWFKATTLQVALWSYPYVKYGDF