- Natural product: Kratom (Mitragyna speciosa)
- Associated study: Inhibitory effect of mitragynine on human cytochrome P450 enzyme activities
In Vitro Enzyme Kinetics Experiment
Enzyme kinetics of CYP3A4
Metabolism was detected.
- CYP3A4 4306811
                                            Recombinant expression system  Baculovirus-insect cells
                                            
                                            
                                                
                                                Cytochrome B5  Co-expressed
                                                
                                            
                                        
Results
Km and Vmax from Table 2
| Sample | Compound measured | Value | Measurement | Study sequence | Additional information | N replicates | 
|---|
Experimental Conditions
This assay was carried out using the P450-Glo™ Screening Systems from Promega, USA.
                                                            
                                                                Metabolite formation study
                                                                
                                                                
                                                            
                                                        
                                                            
                                                                Commercially available
                                                                
                                                                
                                                            
                                                        
50 min
                                                            
                                                                NADPH regenerating system
                                                                
                                                                
                                                            
                                                        
                                                            
                                                                Not available
                                                                
                                                                
                                                            
                                                        
                                                            
                                                                Available
                                                                
                                                                
                                                            
                                                        
0–100µM
