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Deep VASP-E: A Flexible Analysis of Electrostatic Isopotentials for Finding and Explaining Mechanisms that Control Binding Specificity

GRAD++ CAM

Visualization technique used in this project is Grad CAM++(https://arxiv.org/abs/1710.11063).

The S1 cavity of atlantic salmon trypsin (1a0j) is predominantly occupied with a negative isopotential (transparent yellow surface) generated by aspartate 189 (spheres).  The most salient 150 voxels identified by DeepVASP-E are illustrated as teal cubes in \textbf{a}.  This region is the area closest to D189 that maintains solvent accessibility in most conformations of the MD simulation.  In \textbf{b}, voxels colored red, yellow, green, and blue, illustrate regions of descending salience.

Project structure

Models

Models package is responsible in holding different models being used for different projects. Note, models do not do any hypertuning of hyperparameters. Keras has tuners available.

processing

Package is responsible for preprocessing dataset and postprocessing model results (Grad CAM++).

Dataset structure

Dataset structure for loading in training and test set is done with the following format: Dataset_directory/protein001/protein001_example001.CNN Currently, implementation requires code to specify the evaluation set following a leave one out approach.

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