Related Experiment Video
Updated: May 26, 2026
10:28
A Semi-High-Throughput Adaptation of the NADH-Coupled ATPase Assay for Screening Small Molecule Inhibitors
Published on: August 17, 2019
Detection of cytochrome P450 substrates by using a small-molecule droplet array on an NADH-immobilized solid surface
Hiroshi Takayama1, Shunji Takahashi, Takashi Moriya
1Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan.
Chembiochem : a European Journal of Chemical Biology
|December 14, 2011
Summary
Researchers developed a novel droplet array platform to identify substrates for P450 enzymes. This method efficiently screens potential enzyme candidates, applicable to various P450 systems using NADH or NADPH cofactors.
Area of Science:
- Biochemistry
- Enzyme kinetics
- Chemical biology
Background:
- Soluble P450 enzymes are crucial in various biological processes.
- Identifying specific substrates for P450 enzymes is essential for understanding their function.
- Current methods for substrate identification can be time-consuming and resource-intensive.
Purpose of the Study:
- To develop a high-throughput screening platform for identifying substrate candidates of soluble P450 enzymes.
- To create a versatile methodology applicable to different classes of P450 enzymes.
Main Methods:
- Development of a small-molecule droplet array platform.
- Immobilization of NADH on a solid surface.
- Utilizing a biotinylated acetophenone derivative for detection.
Main Results:
- The platform successfully identified substrate candidates for soluble P450 enzymes.
- The methodology demonstrated ease of application and potential for broad utility.
Conclusions:
- The developed droplet array platform offers an efficient approach for P450 substrate identification.
- This method is adaptable to other Class I P450 systems, including those utilizing NADPH.
