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README.md
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---
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configs:
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- config_name: mutation_ddg
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data_files:
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- split: train
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path: data/subsets/mutation_ddg/validation.parquet
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- split: test
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path: data/subsets/mutation_ddg/test.parquet
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- config_name: mutation_dtm
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data_files:
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- split: train
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path: data/subsets/mutation_dtm/validation.parquet
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- split: test
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path: data/subsets/mutation_dtm/test.parquet
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- config_name: mutation_binary
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data_files:
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- split: train
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## Dataset Details
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Subsets of the FireProtDB database with train/validation/test splits:
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### Dataset Description
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This dataset contains
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- **Curated by:** Zachary Drake / zacharydrake (at) g.ucla.edu
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## Uses
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These hallucinated scaffolds are intended for use as starting structures in cyclic peptide binder design pipelines. Researchers can graft known binding motifs (e.g., hot loops from protein–protein interfaces) onto these scaffolds and redesign the remaining sequence using tools such as ProteinMPNN and Rosetta to create cyclic peptide binders against therapeutic protein targets. The scaffolds can also be used for benchmarking cyclic peptide structure prediction methods or as seed structures for further computational design campaigns.
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### Out-of-Scope Use
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These scaffolds are computational design models and have not all been experimentally validated. They should not be used as experimentally determined structures. The dataset is not intended for direct therapeutic use without extensive experimental characterization, including structural validation, binding assays, and stability testing. The scaffolds are composed of canonical L-amino acids only and do not natively support non-canonical amino acid design, though post-hoc substitution is possible.
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## Dataset Structure
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Experimental entries include CIF files.
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## Citation
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**BibTeX:**
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**APA:**
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Musil, M., Borko, S., Planas-Iglesias, J., Lacko, D., Rosinska, M., Kabourek, P., Martins, L. O., Tataruch, M., Damborsky, J., Mazurenko, S., & Bednar, D. (2026). FireProtDB 2.0: large-scale manually curated database of the protein stability data. Nucleic acids research, 54(D1), D409–D418. https://doi.org/10.1093/nar/gkaf1211
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## Glossary
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- **AfCycDesign**: The deep learning framework described in this paper that adapts AlphaFold2 for cyclic peptide structure prediction and design by introducing cyclic relative positional encoding.
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- **pLDDT**: Predicted Local Distance Difference Test — a per-residue confidence metric from AlphaFold2, ranging from 0 to 1, where higher values indicate greater prediction confidence.
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- **PAE**: Predicted Alignment Error — a metric from AlphaFold2 that estimates the error in the relative position of pairs of residues.
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- **Hallucination**: A de novo design approach that simultaneously generates sequence and structure by optimizing AlphaFold2 confidence metrics starting from a random sequence.
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- **Pnear**: A Rosetta-derived metric (0 to 1) indicating folding propensity; a value of 1 means the designed structure is the single lowest-energy conformation.
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- **CIF**: Crystallographic Information File — a standard file format for representing 3D molecular structures.
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- **Torsion bin clustering**: A method for grouping peptide structures by assigning bins (A, B, X, Y) based on backbone φ, ψ, and ω dihedral angles.
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## More Information
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The AfCycDesign code is implemented within the ColabDesign framework. For additional details on methods and supplementary data, see the full paper and its supplementary materials at https://doi.org/10.1038/s41467-025-59940-7.
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## Dataset Card Authors
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Jie Chen / jiechen7 (at) uw.edu, Zachary Drake / zacharydrake (at) g.ucla.edu, Adriana Hernandez Gonzalez / ahgonzalez (at) ucdavis.edu, Akshaya Narayanasamy / akshayanarayanasamy (at) gmail.com, Lina Maria Pena Pardo / linamp (at) umich.edu
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---
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configs:
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- config_name: mutation_dg
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data_files:
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- split: train
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path: data/subsets/mutation_dg/train.parquet
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- split: validation
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path: data/subsets/mutation_dg/validation.parquet
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- split: test
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path: data/subsets/mutation_dg/test.parquet
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- config_name: mutation_ddg
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data_files:
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- split: train
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path: data/subsets/mutation_ddg/validation.parquet
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- split: test
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path: data/subsets/mutation_ddg/test.parquet
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- config_name: mutation_tm
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data_files:
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- split: train
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path: data/subsets/mutation_tm/train.parquet
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- split: validation
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path: data/subsets/mutation_tm/validation.parquet
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- split: test
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path: data/subsets/mutation_tm/test.parquet
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- config_name: mutation_dtm
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data_files:
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- split: train
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path: data/subsets/mutation_dtm/validation.parquet
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- split: test
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path: data/subsets/mutation_dtm/test.parquet
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- config_name: mutation_fitness
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data_files:
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- split: train
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path: data/subsets/mutation_fitness/train.parquet
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- split: validation
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path: data/subsets/mutation_fitness/validation.parquet
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- split: test
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path: data/subsets/mutation_fitness/test.parquet
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- config_name: mutation_binary
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data_files:
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- split: train
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## Dataset Details
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Subsets of different thermal data of single-point mutations in the FireProtDB database with train/validation/test splits:
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- 1. ΔG, ΔΔG
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- 2. Tm, ΔTm
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- 3. Fitness
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- 4. Stabilizing
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### Dataset Description
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This dataset contains curated subsets of various thermal stability measurements derived from FireProtDB. Subsets are separated based on measurement type (ΔG, ΔΔG, Tm, ΔTm, Fitness, Binary Stabilizing). Subsets are split into 80/10/10 parititions based on sequence similarity of the various proteins in each subset. Stabilizing refers to a classification performed by FireProtDB which designates if a mutation is stabilizing or not. This datatype sets a 'true' or 'false' binary value to indicate if mutaiton is stabilizing or destabilizing.
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- **Curated by:** Zachary Drake / zacharydrake (at) g.ucla.edu
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## Uses
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Useful for training models to predict various thermal stability metrics, or evaluating stability effects of mutations.
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## Dataset Structure
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Subsets included are:
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- mutations_dg
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- mutations_ddg
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- mutations_tm
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- mutations_dtm
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- mutations_fitness
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- mutations_binary
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#### Data Collection and Processing
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Datasets were processed using the FireProtDB CSV (https://loschmidt.chemi.muni.cz/fireprotdb/download/). The CSV was processed using a pipeline of primarily Pandas and mmseqs2 (code is available in src/).
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## Citation
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**BibTeX:**
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**APA:**
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Musil, M., Borko, S., Planas-Iglesias, J., Lacko, D., Rosinska, M., Kabourek, P., Martins, L. O., Tataruch, M., Damborsky, J., Mazurenko, S., & Bednar, D. (2026). FireProtDB 2.0: large-scale manually curated database of the protein stability data. Nucleic acids research, 54(D1), D409–D418. https://doi.org/10.1093/nar/gkaf1211
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