alexa Measurement of cytochrome P450 and NADPH-cytochrome P450 reductase.
Pharmaceutical Sciences

Pharmaceutical Sciences

Journal of Applied Pharmacy

Author(s): Guengerich FP, Martin MV, Sohl CD, Cheng Q

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Abstract Cytochrome P450 (P450) enzymes are important in the metabolism of steroids, vitamins, carcinogens, drugs and other compounds. Two of the commonly used assays in this field are the measurements of total P450 and NADPH-P450 reductase in biological preparations. A detailed protocol is presented for the measurement of P450 by its spectral properties, along with a protocol for measuring NADPH-P450 reductase by its NADPH-cytochrome c reduction activity. Each assay can be completed in 5-10 min. Detailed explanations for the rationale of particular sequences in the protocols are provided, along with potential confounding problems.
This article was published in Nat Protoc and referenced in Journal of Applied Pharmacy

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