Mechanistic docking in terpene synthases using EnzyDock

Area of Science:

• Biochemistry and enzymology
• Computational chemistry and molecular modeling

Background:

• Terpene synthases (TPS) are enzymes crucial for synthesizing complex terpenes and terpenoids from linear precursors.
• Molecular docking is a valuable technique for investigating TPS mechanisms and enzyme engineering.
• Existing docking tools face limitations in accurately modeling TPS, including multistep reactions, stereocenter formation, weak hydrophobic interactions, and carbocation intermediates.

Purpose of the Study:

• To introduce EnzyDock, a specialized computational program designed to address the unique challenges associated with studying terpene synthases.
• To demonstrate the utility of EnzyDock in understanding TPS mechanisms and guiding enzyme design.
• To showcase the application of EnzyDock in research on the bacterial terpene synthase CotB2.

Main Methods:

• Development of EnzyDock, a multistate, multiscale docking program.
• Application of EnzyDock to study various terpene synthases and other enzymes.
• Review of the specific features of EnzyDock tailored for TPS challenges.

Main Results:

• EnzyDock effectively addresses limitations of standard docking programs for terpene synthases.
• The program's features are designed to handle complex reaction pathways, stereochemistry, and weak interactions.
• Successful application of EnzyDock in ongoing research, exemplified by studies on bacterial TPS CotB2.

Conclusions:

• EnzyDock represents a significant advancement in computational tools for terpene synthase research.
• The program facilitates a deeper understanding of TPS catalytic mechanisms and aids in rational enzyme design.
• EnzyDock is a powerful tool for investigating complex enzymatic systems like bacterial TPS CotB2.