DockSurf: A molecular modeling software for the prediction of protein/surface adhesion.

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

Abstract

The elucidation of structural interfaces between proteins and inorganic surfaces is a crucial aspect of bionanotechnology development. Despite its significance, the interfacial structures between proteins and metallic surfaces have yet to be fully understood, and the lack of experimental investigation has impeded the development of many devices. To overcome this limitation, we suggest considering the generation of protein/surface structure as a molecular docking problem with a homogenous plan as the target. To this extent we propose a new software, DockSurf which aims to quickly propose reliable protein/surface structure. Our approach considers the conformational exploration with Euler's angles, which provide a cartography instead of a unique structure. Interaction energies were derived from QM computations for a set of small molecules that describe protein atom-types, and implemented in a DLVO potential for the consideration of large systems such as proteins. The validation of DockSurf software was conducted with molecular dynamics for corona proteins with gold surfaces and provided enthusiastic results. This software is implemented in the RPBS platform to facilitate widespread access to the scientific community.

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