Cited by 213Protein Structure and DynamicsEnzyme Structure and FunctionMachine Learning in Bioinformatics

Protein Function Prediction Using Local 3D Templates

Laskowski, Roman A., Watson, James D., Thornton, Janet M.·2005·Journal of Molecular Biology

Abstract

The prediction of a protein's function from its 3D structure is becoming more and more important as the worldwide structural genomics initiatives gather pace and continue to solve 3D structures, many of which are of proteins of unknown function. Here, we present a methodology for predicting function from structure that shows great promise. It is based on 3D templates that are defined as specific 3D conformations of small numbers of residues. We use four types of template, covering enzyme active sites, ligand-binding residues, DNA-binding residues and reverse templates. The latter are templates generated from the target structure itself and scanned against a representative subset of all known protein structures. Together, the templates provide a fairly thorough coverage of the known structures and ensure that if there is a match to a known structure it is unlikely to be missed. A new scoring scheme provides a highly sensitive means of discriminating between true positive and false positive template matches. In all, the methodology provides a powerful new tool for function prediction to complement those already in use.

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Crossref · 10.1016/j.jmb.2005.05.067

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38 of 38 references verified0 citation errors · 0 not checkable

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  • Conserved local conformations of specific residues can be used to identify important functions such as enzyme activity, ion or ligand binding beyond global sequence and fold similarities.

    “Conserved local conformations of specific residues can be used to identify important functions, such as enzyme activity, ion or ligand binding beyond global sequence and fold similarities38.”
  • A scan of 400 auto-generated 3-residue templates from AF2-predicted DEGS1 against representative PDB structures yielded a possible 3-residue template match to PDB entry 4ZYO (human stearoyl-CoA desaturase).

    “A scan of 400 auto-generated 3-residue templates from the AF2-predicted structure against representative structures in the PDB (reverse template comparison38) yielded a possible 3-residue template match: PDB entry 4ZYO (EC 1.14.19.1, human stearoyl-CoA desaturase39, Fig. 4d).”

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Authors
Laskowski, R. A., Watson, J. D., & Thornton, J. M.
Affiliations
European Bioinformatics Institute (GB)
Corresponding author
Thornton, Janet M.
Venue
Journal of Molecular Biology
Publisher
Elsevier BV
Published
2005-08
Volume
351
Issue
3
Pages
614-626
ISSN
0022-2836 (ISSN-L)
OpenAlex
W2088534163
Cited by
213
References
38
Citations by year
2026: 6 · 2025: 1 · 2024: 2 · 2023: 5 · 2022: 4 · 2021: 10 · 2020: 6 · 2019: 2 · 2018: 2 · 2017: 8 · 2016: 6 · 2015: 8 · 2014: 11 · 2013: 10 · 2012: 15
FWCI
8.16
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • European Commission
  • National Institute of General Medical Sciences (P50GM062414, GM62414)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Physical Sciences › Materials Science › Materials Chemistry › Enzyme Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Machine Learning in Bioinformatics
Keywords
protein function prediction, 3D templates, enzyme active site, ligand binding residues, DNA-binding residues, template matching, scoring system, structural genomics
MeSH terms
Models, Molecular, Protein Conformation, Proteins, Structure-Activity Relationship

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