title: A hemoprotein from azotobacter containing non-heme iron: isolation and crystallization.
mesh_terms: D001395:Azotobacter / Q000032:analysis*; D003460:Crystallization; D003580:Cytochromes / Q000032:analysis*; D004591:Electrophoresis, Polyacrylamide Gel; D006418:Heme / Q000032:analysis; D006420:Hemeproteins / Q000032:analysis* / Q000302:isolation & purification*; D007501:Iron / Q000032:analysis*; D010084:Oxidation-Reduction; D013053:Spectrophotometry
chemical_list: D003580:Cytochromes; D006420:Hemeproteins; D006418:Heme; D007501:Iron