title: A soluble haemoprotein P 450 from nitrogen-fixing Rhizobium bacteroids.
mesh_terms: D001665:Binding Sites; D002850:Chromatography, Gel; D008961:Models, Structural; D008970:Molecular Weight; D009586:Nitrogen Fixation; D010084:Oxidation-Reduction; D010860:Pigments, Biological / Q000032:analysis*; D012231:Rhizobium / Q000032:analysis*; D012995:Solubility; D013053:Spectrophotometry
chemical_list: D010860:Pigments, Biological