Evidence map›Paper›PMID 19435743›Full record

ArticleBioinformatics (Oxford, England)2009

ESG: extended similarity group method for automated protein function prediction.

Meghana Chitale, Troy Hawkins, Changsoon Park, Daisuke Kihara

Abstract read
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Article in Bioinformatics (Oxford, England), 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

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0cells of the map it votes in
60citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

Who cites it

60 citing papers in PubMed.

  1. Article
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  6. Proteomic analysis of unicellular cyanobacteriumbioRxiv : the preprint server for biology · 2024
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  9. Iron transport pathways in the human malaria parasiteFrontiers in cellular and infection microbiology · 2024
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  13. Targeting Essential Hypothetical Proteins ofBioMed research international · 2023
    Article
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  19. Article
  20. Article
4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

4 authors.

Meghana ChitaleDepartment of Computer Science, Purdue University, IN 47907, USA.
Troy Hawkins
Changsoon Park
Daisuke Kihara

Funding

Development of the www.EcoliCommunity.org Information ResourceU24GM077905 · NIGMS · PURDUE UNIVERSITY · PI WANNER, BARRY L · 2006 to 2009
$4.0M
Surface Shape Based Screening of Large Protein DatabasesR01GM075004 · NIGMS · PURDUE UNIVERSITY WEST LAFAYETTE · PI KIHARA, DAISUKE · 2005 to 2009
$1.5M
NIGMS NIH HHS GM075004NIGMS NIH HHS GM077905
6 · The paper itself

Abstract

motivationImportance of accurate automatic protein function prediction is ever increasing in the face of a large number of newly sequenced genomes and proteomics data that are awaiting biological interpretation. Conventional methods have focused on high sequence similarity-based annotation transfer which relies on the concept of homology. However, many cases have been reported that simple transfer of function from top hits of a homology search causes erroneous annotation. New methods are required to handle the sequence similarity in a more robust way to combine together signals from strongly and weakly similar proteins for effectively predicting function for unknown proteins with high reliability.

resultsWe present the extended similarity group (ESG) method, which performs iterative sequence database searches and annotates a query sequence with Gene Ontology terms. Each annotation is assigned with probability based on its relative similarity score with the multiple-level neighbors in the protein similarity graph. We will depict how the statistical framework of ESG improves the prediction accuracy by iteratively taking into account the neighborhood of query protein in the sequence similarity space. ESG outperforms conventional PSI-BLAST and the protein function prediction (PFP) algorithm. It is found that the iterative search is effective in capturing multiple-domains in a query protein, enabling accurately predicting several functions which originate from different domains. AVAILABILITY: ESG web server is available for automated protein function prediction at http://dragon.bio.purdue.edu/ESG/.

Indexed as

SoftwareComputational BiologyDatabases, ProteinProteinsSequence Analysis, ProteinSequence Homology, Amino AcidProteins

Identifiers

PMID19435743
PMCPMC2705228

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.