A Pseudouridine Isoxazolidinyl Nucleoside Analogue Structural Analysis: A Morphological Approach

Area of Science:

• Computational chemistry and structural biology.
• Drug discovery and development.

Background:

• Pseudouridine 5'-monophosphate glycosidase is a target for potential therapeutic interventions.
• Understanding enzyme-inhibitor interactions is crucial for drug design.

Purpose of the Study:

• To investigate the inhibitory potential of a novel uracil derivative against pseudouridine 5'-monophosphate glycosidase using in silico methods.
• To validate computational models by comparing predicted and experimentally determined crystal structures and morphologies.
• To establish a reliable method for predicting and screening crystal forms for drug development.

Main Methods:

• In silico molecular dynamics and docking simulations were employed to assess enzyme-inhibitor interactions.
• X-ray single crystal diffraction was used to determine the crystal structure of the compound.
• Optical microscopy was utilized to compare and validate computed crystal morphology predictions.

Main Results:

• The study identified a novel uracil derivative, (3'RS,5'SR)-5-[2'-benzyl-5'-hydroxymethyl-1',2'-isoxazolidin-3'-yl]uracil, with potential inhibitory activity against wild-type pseudouridine 5'-monophosphate glycosidase.
• Computational models of crystal structure and morphology were validated against experimental X-ray diffraction and optical microscopy data.
• A robust computational approach was demonstrated for predicting crystal morphology and screening for polymorphic forms.

Conclusions:

• The in silico approach provides a fast and reliable method for standardizing crystallization and screening polymorphic forms.
• The findings support the potential of the studied compound as an inhibitor and highlight the utility of computational methods in drug discovery and crystallization studies.