PolyFold
PolyFold simulates distance-based protein folding by using inter-residue distance matrices and stochastic optimization to model conformational transitions for protein structure prediction research.
Key Features:
- Distance-based modeling: Implements folding driven by distance restraints rather than purely energy-based potentials.
- Inter-residue distance matrices: Accepts and utilizes precise estimations of inter-residue distance matrices as foundational spatial constraints for structure prediction.
- Stochastic optimization algorithms: Employs advanced stochastic optimization algorithms to search conformational space under distance constraints.
- Real-time dynamic simulation: Simulates the folding process in real time to represent temporal evolution of conformations.
- Dynamic rendering of conformational transitions: Produces time-resolved representations of transitions from unfolded to folded states driven by distance restraints and optimization.
Scientific Applications:
- Protein structure prediction: Supports prediction workflows that leverage inter-residue distance information to derive tertiary structures.
- Folding mechanism analysis: Enables investigation of folding pathways and conformational transitions under distance constraints.
- Evaluation of distance-based methodologies: Provides a platform to assess and compare distance-based prediction and optimization approaches.
Methodology:
PolyFold uses estimated inter-residue distance matrices as spatial constraints and applies stochastic optimization algorithms to simulate folding dynamics in real time.
Topics
Details
- License:
- GPL-3.0
- Programming Languages:
- Java
- Added:
- 1/18/2021
- Last Updated:
- 1/24/2021
Operations
Publications
McGehee AJ, Bhattacharya S, Roche R, Bhattacharya D. PolyFold: An interactive visual simulator for distance-based protein folding. PLOS ONE. 2020;15(12):e0243331. doi:10.1371/journal.pone.0243331. PMID:33270805. PMCID:PMC7714222.
PMID: 33270805
PMCID: PMC7714222
Funding: - National Institute of General Medical Sciences: R35GM138146
- Division of Information and Intelligent Systems: 2030722
- Division of Biological Infrastructure: 1942692