alterlab-alphafold

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Predict protein 3D structures with AlphaFold2 via ColabFold — MMseqs2-accelerated MSAs, monomer and AlphaFold2-Multimer complex folding, and confidence-based validation (pLDDT, pTM/ipTM, PAE). Use when folding a protein sequence or complex from FASTA, generating a predicted structure with confidence metrics, ranking models, or checking self-consistency of a design. For co-folding a protein WITH a small-molecule ligand or predicting binding affinity prefer alterlab-boltz; for antibody–antigen or one-FASTA multi-entity complexes prefer alterlab-chai; to LOOK UP an already-computed structure prefer alterlab-alphafold-db; for ESM embeddings or inverse folding prefer alterlab-esm. Part of the AlterLab Academic Skills suite.

AI & Automation 66 stars 13 forks Updated 1 weeks ago MIT

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Skill Content

# AlphaFold (via ColabFold) ## Overview Predict a protein's 3D structure from its amino-acid sequence with **AlphaFold2**, run through **ColabFold** (Mirdita et al., *Nature Methods* 2022) — which replaces AlphaFold's slow genetic-database MSA search with the fast **MMseqs2** API, making folding practical on a single GPU. Handles single chains (monomer) and complexes via **AlphaFold2-Multimer** (Evans et al. 2021), and reports per-residue and per-interface **confidence metrics** so you know which parts of a prediction to trust. This skill **runs** folding and returns structures + confidence. To retrieve an *already-computed* AlphaFold prediction for a known UniProt entry without running anything, use `alterlab-alphafold-db` instead. ## When to Use This Skill Use this skill when the user wants to: - Fold a protein sequence (FASTA) into a predicted 3D structure (PDB/mmCIF). - Predict a protein **complex** (AF2-Multimer) and score the interface (ipTM). - Rank multiple models and read confidence (pLDDT, pTM, PAE) to judge reliability. - Validate a designed sequence by refolding it and checking self-consistency vs. a target. ### Does NOT Trigger | Scenario | Use instead | |----------|-------------| | Co-fold a protein **with a ligand** (SMILES/CCD) or predict binding affinity | `alterlab-boltz` | | Antibody–antigen / arbitrary multi-entity complex from one FASTA | `alterlab-chai` | | Look up a **precomputed** AlphaFold model by UniProt id | `alterlab-alphafold-db` | | ESM e...

Details

Author
AlterLab-IEU
Repository
AlterLab-IEU/AlterLab-Academic-Skills
Created
5 months ago
Last Updated
1 weeks ago
Language
Python
License
MIT

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alterlab-boltz

Co-fold biomolecular complexes with Boltz-2, an open AlphaFold3-style model — predict protein + ligand (SMILES/CCD), protein + nucleic-acid, and multi-chain structures in one pass, with binding-affinity prediction. Use when folding a protein together with a small-molecule ligand, predicting a holo (ligand-bound) complex or its binding affinity, or co-folding protein–DNA/RNA assemblies. For protein-only or protein–protein folding without ligands prefer alterlab-alphafold; for antibody–antigen complexes prefer alterlab-chai; to dock a ligand into a FIXED receptor structure prefer alterlab-diffdock; to look up an existing structure prefer alterlab-pdb. Part of the AlterLab Academic Skills suite.

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AI & Automation Featured

alterlab-chai

Predict biomolecular complexes with Chai-1, an open AlphaFold3-style model that folds multi-entity assemblies (proteins, ligands, nucleic acids) from a single typed FASTA — strong on antibody–antigen and protein–ligand complexes, with optional MSA and restraint inputs. Use when predicting an antibody–antigen complex, folding a mixed protein/ligand/nucleic-acid assembly described in one FASTA, or generating a complex with experimental restraints. For binding-affinity prediction or a ligand-focused co-fold prefer alterlab-boltz; for protein-only or protein–protein folding prefer alterlab-alphafold; to dock into a fixed receptor prefer alterlab-diffdock. Part of the AlterLab Academic Skills suite.

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Data & Documents Listed

alphafold-database

Access AlphaFold's 200M+ AI-predicted protein structures. Retrieve structures by UniProt ID, download PDB/mmCIF files, analyze confidence metrics (pLDDT, PAE), for drug discovery and structural biology.

394 Updated 4 days ago
Microck