Abstract
Molecular docking is a popular computational tool in drug discovery. Leveraging structural information, docking software predicts binding poses of small molecules to cavities on the surfaces of proteins. Virtual screening for ligand discovery is a useful application of docking software. In this chapter, using the enigmatic KRAS protein as an example system, we endeavor to teach the reader about best practices for performing molecular docking with UCSF DOCK. We discuss methods for virtual screening and docking molecules on KRAS. We present the following six points to optimize our docking setup for prosecuting a virtual screen: protein structure choice, pocket selection, optimization of the scoring function, modification of sampling spheres and sampling procedures, choosing an appropriate portion of chemical space to dock, and the choice of which top scoring molecules to pick for purchase.
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Acknowledgments
We thank Alyssa Klein, Muyan Zhou, Dillon Chu, Maryam Abdur-Rahman, Yilin Liang, and Yunpeng Wang for contributions to the tutorials. We thank colleagues at the NCI RAS Initiative, including Dwight Nissley and Frank McCormick, and the Frederick Research Computing Environment (FRCE). This project was funded in whole or in part with federal funds from the National Cancer Institute, NIH Contract 75N91019D00024. The content of this publication does not necessarily reflect the views or policies of the Department of Health and Human Services, and the mention of trade names, commercial products, or organizations does not imply endorsement by the US government.
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Chakrabarti, M., Tan, Y.S., Balius, T.E. (2024). Considerations Around Structure-Based Drug Discovery for KRAS Using DOCK. In: Stephen, A.G., Esposito, D. (eds) KRAS. Methods in Molecular Biology, vol 2797. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-3822-4_6
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DOI: https://doi.org/10.1007/978-1-0716-3822-4_6
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