Anticoagulant rodenticide novel candidates predicted by evolutionary docking

02 June 2023, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

The evolutionary docking generation of high numbers of potentially novel anticoagulant rodenticides is described here. In particular, made-on-demand libraries were generated by randomly introducing small molecular variations into alphafold-modeled brodifacoum-rat VKORC1 binding-cavity. For evolution of the brodifacoum parent, criteria were mainly optimized to fit-dock the brodifacoum cavity. Libraries of specific brodifacoum-children were selected by pooling those predicting higher affinities (lower binding-scores) at various molecular weights. The selected brodifacoum-children were filtered for known toxicities, desirable high affinity to recently identified spanish resistance rat mutants and undesirable high affinities to human VKORC1. The flexible threshold-adjustable new chemotype brodifacoum-children libraries constitute an step forward towards further in silico fine-tuning to computationally reduce other possible unspecific off-target ecological impacts

Keywords

VKORC1
brodifacoum
rats
evolutionary libraries
docking
rodenticides
human
mutants

Supplementary materials

Title
Description
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Title
Library C containing 150 children with filters in Data Warrior dwar
Description
The Table shows a prove-of-concept example of the evolutionary docking results described in the paper methodology. The docking-score thresholds of < -100 were applied to retain higher-affinities to rat wild-type and spanish mutants and the same threshold was applied to skip higher-affinities to human VKORC1. Any other thresholds can be applied using the filters at the right of the table. The dwar filecan be opened at Data Warrior free access https://openmolecules.org/datawarrior/download.htm
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