High-Precision Atomic Charge Prediction for Protein Systems Using Fragment Molecular Orbital Calculation and Machine Learning
Partial charge
Atomic charge
Fragment molecular orbital
Fragment (logic)
Force Field
DOI:
10.1021/acs.jcim.0c00273
Publication Date:
2020-06-04T17:36:07Z
AUTHORS (17)
ABSTRACT
Here, we have constructed neural network-based models that predict atomic partial charges with high accuracy at low computational cost. The were trained using high-quality data acquired from quantum mechanics calculations the fragment molecular orbital method. We succeeded in obtaining highly accurate for three representative systems of proteins, including one large biomolecule (approx. 2000 atoms). novelty our approach is ability to take into account electronic polarization system, which a system-dependent phenomenon, being important field drug design. Our high-precision are useful prediction and expected be widely applicable structure-based designs such as structural optimization, high-speed docking, dynamics calculations.
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