GalaxyRefine

GalaxyRefine refines predicted protein structures to improve local and global structural accuracy by rebuilding side chains and applying molecular dynamics relaxation.

Key Features:

• Side-chain rebuilding: Reconstructs side chains to optimize their conformational states.
• Side-chain repacking: Performs detailed repacking to ensure optimal interactions within the local environment of each residue.
• Molecular dynamics simulation: Employs molecular dynamics simulations to relax the overall protein structure toward energetically favorable states.
• CASP10 validation: The refinement method was tested and validated during the Critical Assessment of protein Structure Prediction (CASP) 2010 (CASP10).
• Template-based model improvement: Targets improvement of models derived from template-based prediction methods that are limited by template similarity.
• Local structural enhancement: Excels in improving local structural quality of predicted models.

Scientific Applications:

• Refinement of predicted models: Refines protein models generated by template-based prediction methods.
• Structural interpretation: Improves structural fidelity used for understanding protein function.
• Structure-based drug discovery: Enhances model accuracy to facilitate drug discovery efforts.

Methodology:

GalaxyRefine performs side-chain rebuilding and detailed repacking followed by molecular dynamics simulations to relax the protein structure.