Differences in P-450 cytochromes from livers of rats treated with phenobarbital and with 3-methylcholanthrene.

Ammonium Sulfate Animals Chromatography, DEAE-Cellulose Cytochrome P-450 Enzyme System/metabolism Cytochrome Reductases/metabolism Drug Synergism Glycerol/pharmacology Hemeproteins/metabolism Hydrogen-Ion Concentration Liver/cytology,drug effects,enzymology,metabolism Male Methylcholanthrene/pharmacology Microsomes, Liver/drug effects,enzymology,metabolism Oxidation-Reduction Phenobarbital/pharmacology Rats Spectrophotometry Spectrophotometry, Ultraviolet Subcellular Fractions/metabolism Surface-Active Agents/pharmacology

Hemeproteins Surface-Active Agents Methylcholanthrene Cytochrome P-450 Enzyme System Cytochrome Reductases Glycerol Ammonium Sulfate Phenobarbital