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AlphaFold: a predicted structure and how sure it is

From a sequence and its alignment to a 3D model coloured by confidence: per-residue pLDDT, the predicted aligned error between domains, and AlphaFold 3 complexes with ligands. The AlphaFold Database opened with over 360,000 predicted structures across 21 proteomes.

Updated 4 cited papers63 editable layers

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At a glance

Category
Drug discovery & proteins
Method
Structure prediction
Starting materials
An amino acid sequence and its multiple sequence alignment
Product
A 3D model with per-residue confidence (pLDDT) and pairwise error (PAE)
Key result
Confidence bands as in the AlphaFold Database (Varadi 2022). Alignment, structure, PAE and pLDDT traces are synthetic examples
Figure
1920 × 1080 px (16:9), 63 editable layers, 5 generated objects

Step by step

  1. AlignmentHomologous sequences found in genetic databases; coevolving columns carry contact information
  2. PredictionAlphaFold 2 predicts structures with atomic accuracy competitive with experiment in most CASP14 cases (Jumper 2021)
  3. ConfidencepLDDT per residue: above 90 very high, below 50 very low (often disordered)
  4. DomainsThe PAE map shows which parts are placed confidently relative to each other
  5. ComplexesAlphaFold 3 predicts complexes with nucleic acids, small molecules, ions and modified residues (Abramson 2024)

Strengths

  • Structures for almost any sequence, in minutes
  • Confidence scores say which parts to trust
  • Open database of predictions

Limitations

  • Low pLDDT regions are often disordered, not wrong folds
  • One static state per prediction; dynamics and alternative states are missed

Uses

  • Drug target structures
  • Experimental model building (cryo-EM, crystallography)
  • Protein design checks

Papers this template follows

  1. Jumper et al., “Highly accurate protein structure prediction with AlphaFold”, Nature 2021. doi:10.1038/s41586-021-03819-2primary
  2. Varadi et al., “AlphaFold Protein Structure Database: massively expanding the structural coverage of protein-sequence space with high-accuracy models”, Nucleic Acids Res. 2022. doi:10.1093/nar/gkab1061primary
  3. Abramson et al., “Accurate structure prediction of biomolecular interactions with AlphaFold 3”, Nature 2024. doi:10.1038/s41586-024-07487-wprimary
  4. Mariani et al., “lDDT: a local superposition-free score for comparing protein structures and models using distance difference tests”, Bioinformatics 2013. doi:10.1093/bioinformatics/btt473method origin

After Jumper et al., Nature 2021 (doi:10.1038/s41586-021-03819-2), Varadi et al., Nucleic Acids Res. 2022 (doi:10.1093/nar/gkab1061) and Abramson et al., Nature 2024 (doi:10.1038/s41586-024-07487-w). Structures, alignment, PAE and pLDDT are synthetic examples; numbers from the papers.

How templates are written and checked: editorial guidelines.

Questions

What does the “AlphaFold: a predicted structure and how sure it is” template show?

From a sequence and its alignment to a 3D model coloured by confidence: per-residue pLDDT, the predicted aligned error between domains, and AlphaFold 3 complexes with ligands. The AlphaFold Database opened with over 360,000 predicted structures across 21 proteomes.

What are the steps shown in “AlphaFold: a predicted structure and how sure it is”?

1. Alignment: Homologous sequences found in genetic databases; coevolving columns carry contact information. 2. Prediction: AlphaFold 2 predicts structures with atomic accuracy competitive with experiment in most CASP14 cases (Jumper 2021). 3. Confidence: pLDDT per residue: above 90 very high, below 50 very low (often disordered). 4. Domains: The PAE map shows which parts are placed confidently relative to each other. 5. Complexes: AlphaFold 3 predicts complexes with nucleic acids, small molecules, ions and modified residues (Abramson 2024).

What are the starting materials and the product?

Starting materials: An amino acid sequence and its multiple sequence alignment. Product: A 3D model with per-residue confidence (pLDDT) and pairwise error (PAE).

Which papers is “AlphaFold: a predicted structure and how sure it is” based on?

Jumper et al., “Highly accurate protein structure prediction with AlphaFold”, Nature 2021 (doi:10.1038/s41586-021-03819-2); Varadi et al., “AlphaFold Protein Structure Database: massively expanding the structural coverage of protein-sequence space with high-accuracy models”, Nucleic Acids Res. 2022 (doi:10.1093/nar/gkab1061); Abramson et al., “Accurate structure prediction of biomolecular interactions with AlphaFold 3”, Nature 2024 (doi:10.1038/s41586-024-07487-w); Mariani et al., “lDDT: a local superposition-free score for comparing protein structures and models using distance difference tests”, Bioinformatics 2013 (doi:10.1093/bioinformatics/btt473).

Can I edit the “AlphaFold: a predicted structure and how sure it is” template?

Yes. Open it in the LabCanvas editor: all 63 layers are editable, including 5 generated objects (structures, plots, equipment) with their own settings. Change the text, colours and layout, then export PNG, TIFF, SVG or PDF.

Do I need an account to use this template?

Not to view it here. To open and edit it, sign in to LabCanvas or create a free account (the free plan keeps up to 3 designs). Downloading the figure is part of LabCanvas Pro (US$19 a month or US$199 a year).

AlphaFoldAlphaFold 2AlphaFold 3protein structure predictionpLDDTpredicted aligned errorPAEmultiple sequence alignmentMSAAlphaFold DBconfidencedisordered regionsprotein-ligand complexdeep learning

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