Use ProteinMPNN-ddG
Official Neurosnap webserver for accessing ProteinMPNN-ddG online.
Overview
ProteinMPNN-ddG is an unsupervised deep learning model that substantially improves protein stability prediction without requiring additional training or experimental data. It enhances the baseline ProteinMPNN model by using the full sequence context for each residue prediction and introducing a novel correction term. This term, derived from the model's prediction on a single residue's backbone atoms, nullifies background effects from amino acid abundance and geometry, making the score a better correlate for stability changes (ΔΔG) upon mutation. The method uses an efficient tied decoding scheme, enabling proteome-scale predictions at thousands of residues per second.
Neurosnap Overview
The ProteinMPNN-ddG online webserver allows anybody with a Neurosnap account to run and access ProteinMPNN-ddG, no downloads required. Information submitted through this webserver is kept confidential and never sold to third parties as detailed by our strong Terms of Use and Privacy Policy.
Features
- Predicts the effects of point mutations on protein stability (ΔΔG) using an unsupervised method.
- Improves the absolute success rate of identifying stabilizing mutations by 11 percentage points over baseline ProteinMPNN, from 66 to 70 percent on the Tsuboyama dataset.
- Uses a novel scoring method that subtracts a context-free prediction to correct for biases from amino acid frequencies and backbone geometry.
- Achieves extremely high throughput, making proteome-scale analysis feasible.
- Employs a tied decoding algorithm to efficiently compute predictions with full sequence context, reducing slowdown from N-fold to less than 4-fold for large proteins.
- Requires no additional model training or experimental stability data.
Statistics
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API Request
Access ProteinMPNN-ddG using the Neurosnap API by sending a request using any programming language with HTTP support. To safely generate an API key, visit the API tab of your overview page.
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