title: Purification of cytochrome b1 from Escherichia coli.
mesh_terms: D001426:Bacterial Proteins; D003460:Crystallization; D003573:Cytochrome b Group; D003580:Cytochromes / Q000302:isolation & purification*; D004926:Escherichia coli / Q000201:enzymology*; D005293:Ferritins; D008970:Molecular Weight; D010084:Oxidation-Reduction; D013053:Spectrophotometry
chemical_list: D001426:Bacterial Proteins; D003573:Cytochrome b Group; D003580:Cytochromes; D005293:Ferritins; C018032:bacterioferritin