Evidence map›Paper›PMID 21635751›Full record

ArticleBMC bioinformatics2011

Binding site prediction for protein-protein interactions and novel motif discovery using re-occurring polypeptide sequences.

Adam Amos-Binks, Catalin Patulea, Sylvain Pitre, Andrew Schoenrock, Yuan Gui, James R Green, Ashkan Golshani, Frank Dehne

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Article in BMC bioinformatics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

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12citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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12 citing papers in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Adam Amos-BinksSchool of Computer Science, Carleton University, Ottawa, ON K1S5B6, Canada.
Catalin Patulea
Sylvain Pitre
Andrew Schoenrock
Yuan Gui
James R Green
Ashkan Golshani
Frank Dehne

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWhile there are many methods for predicting protein-protein interaction, very few can determine the specific site of interaction on each protein. Characterization of the specific sequence regions mediating interaction (binding sites) is crucial for an understanding of cellular pathways. Experimental methods often report false binding sites due to experimental limitations, while computational methods tend to require data which is not available at the proteome-scale. Here we present PIPE-Sites, a novel method of protein specific binding site prediction based on pairs of re-occurring polypeptide sequences, which have been previously shown to accurately predict protein-protein interactions. PIPE-Sites operates at high specificity and requires only the sequences of query proteins and a database of known binary interactions with no binding site data, making it applicable to binding site prediction at the proteome-scale.

resultsPIPE-Sites was evaluated using a dataset of 265 yeast and 423 human interacting proteins pairs with experimentally-determined binding sites. We found that PIPE-Sites predictions were closer to the confirmed binding site than those of two existing binding site prediction methods based on domain-domain interactions, when applied to the same dataset. Finally, we applied PIPE-Sites to two datasets of 2347 yeast and 14,438 human novel interacting protein pairs predicted to interact with high confidence. An analysis of the predicted interaction sites revealed a number of protein subsequences which are highly re-occurring in binding sites and which may represent novel binding motifs.

conclusionsPIPE-Sites is an accurate method for predicting protein binding sites and is applicable to the proteome-scale. Thus, PIPE-Sites could be useful for exhaustive analysis of protein binding patterns in whole proteomes as well as discovery of novel binding motifs. PIPE-Sites is available online at http://pipe-sites.cgmlab.org/.

Indexed as

Protein Interaction Domains and MotifsProtein Interaction MappingAlgorithmsAmino Acid MotifsHumansProtein BindingProteinsProtein Structure, TertiarySaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsProteinsSaccharomyces cerevisiae Proteins

Identifiers

PMID21635751
PMCPMC3120708

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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.