New Proluciferin Substrates for Human CYP4 Family Enzymes

Autor: Gerhard Wolber, Jingyao Liu, Matthias Bureik, Erik J. Sorensen, David Machalz
Rok vydání: 2020
Předmět:
Zdroj: Applied Biochemistry and Biotechnology. 193:218-237
ISSN: 1559-0291
0273-2289
Popis: We report the synthesis of seven new proluciferins for convenient activity determination of enzymes belonging to the cytochrome P450 (CYP) 4 family. Biotransformation of these probe substrates was monitored using each of the twelve human CYP4 family members, and eight were found to act at least on one of them. For all substrates, activity of CYP4Z1 was always highest, while that of CYP4F8 was always second highest. Site of metabolism (SOM) predictions involving SMARTCyp and docking experiments helped to rationalize the observed activity trends linked to substrate accessibility and reactivity. We further report the first homology model of CYP4F8 including suggested substrate recognition residues in a catalytically competent conformation accessed by replica exchange solute tempering (REST) simulations.
Databáze: OpenAIRE