2013
DOI: 10.1186/1471-2105-14-154
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Reconstituting protein interaction networks using parameter-dependent domain-domain interactions

Abstract: BackgroundWe can describe protein-protein interactions (PPIs) as sets of distinct domain-domain interactions (DDIs) that mediate the physical interactions between proteins. Experimental data confirm that DDIs are more consistent than their corresponding PPIs, lending support to the notion that analyses of DDIs may improve our understanding of PPIs and lead to further insights into cellular function, disease, and evolution. However, currently available experimental DDI data cover only a small fraction of all ex… Show more

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Cited by 21 publications
(17 citation statements)
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“…coli dataset. It was already shown by Memisevic et al and Roy et al that DDA and AAC were powerful features for predicting PPIs [ 19 ],[ 20 ]. Furthermore, we performed 10-fold cross-validation on best subset of features (DDA, Degree and AAC) and compared the result with 5-fold cross-validation.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…coli dataset. It was already shown by Memisevic et al and Roy et al that DDA and AAC were powerful features for predicting PPIs [ 19 ],[ 20 ]. Furthermore, we performed 10-fold cross-validation on best subset of features (DDA, Degree and AAC) and compared the result with 5-fold cross-validation.…”
Section: Resultsmentioning
confidence: 99%
“…It was shown previously that domain-domain association plays an important role in protein-protein interactions [ 19 ]. Considering that we had used domain-domain association as the first feature, Maximum Degree (maximum no.…”
Section: Methodsmentioning
confidence: 99%
“…We focused on forty-four features of protein pairs to produce feature vectors ( Table S6 ). First, occurrence frequency of viral-host domain-domain association was used since domain-domain association plays an important role in protein-protein interactions [11] . Second, common domains observed in virus and host proteins were chosen and represented as binary format [0,1] (absence and presence of common domain observed in virus and host proteins in a particular protein pair represented by 0 and 1, respectively).…”
Section: Methodsmentioning
confidence: 99%
“…Jansen et al has developed a Bayesian networks approach to predict PPIs in yeast [4] , while Lin et al shows that Random Forest (RF) model may be more effective than Bayesian networks for predicting PPIs [5] . In addition, a number of computational methods are also available in order to predict PPIs based on domain information [9] [11] . However, relatively few methods have so far been proposed to predict interspecies (specifically host-pathogen) PPIs [3] , [12] [16] .…”
Section: Introductionmentioning
confidence: 99%
“…Recently, many studies have been implemented to identify protein domains and also produced a great volume of protein domain data [31], [32], [33], which facilitates our study of cellular life at the atomic level. For example, under the assumption that protein interactions are mediated by domain interactions, some researchers focus on predicting protein-protein interactions by making use of domain data [34], [35]. A group of researchers integrates protein domain information into PPI network and constructs structural network, based on which a series of research works are carried out, such as analyzing human disease [36], [37], explaining the relationship between hub proteins and their essentiality [38], constructing signal pathway [39] and so on.…”
mentioning
confidence: 99%