Detection of microwave radiation of cytochrome CYP102 A1 solution during the enzyme reaction

• Microwave radiation can be observed during Cytochrome P450 BM3 enzyme reaction.
• Microwave radiation generation depends on the enzyme activity.
• Microwave radiation is associated with the change of state of microenvironment.

Microwave radiation at 3.4–4.2 GHz frequency of the cytochrome P450 CYP102 A1 (BM3) solution was registered during the lauric acid hydroxylation reaction. The microwave radiation generation was shown to occur following the addition of electron donor NADPH to a system containing an enzyme and a substrate. The radiation occurs for the enzyme solutions with enzyme concentrations of 10−8 and 10−9 М. The microwave radiation effect elicited by the aqueous enzyme solution was observed for the first time. The results obtained can be used to elaborate a new approach to enzyme systems research, including studying of the mechanism of interaction of a functioning enzyme system with microenvironment.