Link to bioRxiv paper:
http://biorxiv.org/cgi/content/short/2023.02.16.528819v1?rss=1
Authors: Pereira, G., Garcia, B. J., Pellarin, R., Launay, G., Wu, S., Martin, J., de Souza, P. C. T.
Abstract:
Proteolysis targeting chimeras (PROTACS) are ligands that can mediate interaction between a protein target and a E3 ligase, forming a ternary complex bound to the ubiquitination machinery, leading to target degradation. This technology has become an exciting new avenue for therapeutic development, with currently two PROTACS in clinical trials targeting cancer. Nonetheless, several PROTAC drug discovery campaigns still rely on serendipity. Here, we describe a general and efficient protocol which combines restraint-based LightDock, energy-based rescoring and minimal solvent-accessible surface distance filtering to produce PROTAC-compatible PPIs. Benchmarking our protocol using a manually curated dataset of 16 ternary complex crystals, accuracies of 94% and 70% were achieved on the redocking and realistic docking experiments starting from unbound protein structures, respectively, evaluated using the CAPRI standards and DockQ. Our protocol is both accurate and computationally efficient, with potential to accelerate PROTAC drug design campaigns, particularly when the ternary complex or PROTAC are unknown.
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