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Recent Progress of Protein Tertiary Structure Prediction.

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Artificial intelligence (AI) significantly advances protein structure prediction. Deep learning methods like AlphaFold2 achieve high accuracy, guiding researchers in selecting optimal protein structure prediction tools.

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AlphaFold2contact mapdeep learningdistance mapend-to-end methodsmulti-domain proteinsprotein language modelprotein tertiary structure predictiontemplate-based modelingtemplate-free modeling

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Area of Science:

  • Computational and structural bioinformatics
  • Artificial intelligence in bioinformatics

Background:

  • Predicting 3D protein structure from amino acid sequences is a long-standing challenge.
  • Artificial intelligence (AI) has recently accelerated progress in protein structure prediction.

Purpose of the Study:

  • To review protein structure prediction methodologies, assessments, and databases.
  • To guide researchers in understanding and selecting appropriate prediction methods.

Main Methods:

  • Overview of traditional methods: template-based modeling (TBM) and template-free modeling (FM).
  • Description of deep learning approaches: contact/distance-guided, end-to-end folding, and protein language model (PLM)-based methods.
  • Inclusion of multi-domain prediction, CASP assessments, and the AlphaFold Protein Structure Database.

Main Results:

  • AlphaFold2 demonstrates high performance, comparable to experimental structures (CASP14).
  • Various methods offer different advantages, disadvantages, and application scopes.

Conclusions:

  • AI, particularly deep learning, has revolutionized protein structure prediction.
  • Understanding method limitations and contexts is crucial for effective application in protein-related research.