Evidence map›Paper›PMID 22272076›Full record

ArticleInternational journal of molecular sciences2011

Prediction of lysine ubiquitylation with ensemble classifier and feature selection.

Xiaowei Zhao, Xiangtao Li, Zhiqiang Ma, Minghao Yin

Abstract read
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Article in International journal of molecular sciences, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

Who cites it

21 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Xiaowei ZhaoCollege of Life Science, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China; College of Computer Science, Northeast Normal University, 2555 Jingyue Street, Changchun 13017, China. zhaoxw303@nenu.edu.cn
Xiangtao Li
Zhiqiang Ma
Minghao Yin

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Ubiquitylation is an important process of post-translational modification. Correct identification of protein lysine ubiquitylation sites is of fundamental importance to understand the molecular mechanism of lysine ubiquitylation in biological systems. This paper develops a novel computational method to effectively identify the lysine ubiquitylation sites based on the ensemble approach. In the proposed method, 468 ubiquitylation sites from 323 proteins retrieved from the Swiss-Prot database were encoded into feature vectors by using four kinds of protein sequences information. An effective feature selection method was then applied to extract informative feature subsets. After different feature subsets were obtained by setting different starting points in the search procedure, they were used to train multiple random forests classifiers and then aggregated into a consensus classifier by majority voting. Evaluated by jackknife tests and independent tests respectively, the accuracy of the proposed predictor reached 76.82% for the training dataset and 79.16% for the test dataset, indicating that this predictor is a useful tool to predict lysine ubiquitylation sites. Furthermore, site-specific feature analysis was performed and it was shown that ubiquitylation is intimately correlated with the features of its surrounding sites in addition to features derived from the lysine site itself. The feature selection method is available upon request.

Indexed as

Datasets as TopicSupport Vector MachineUbiquitinationAmino Acid MotifsAnimalsHumansLysineProteinsLysineProteinsensemble classifierlysine ubiquitylation sitessupport vector machineubiquitylation

Identifiers

PMID22272076
PMCPMC3257073

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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.