Exploiting Maximal Dependence Decomposition to Identify Cysteine S-Nitrosylation with Substrate Site Specificity
2011

Identifying Cysteine S-Nitrosylation Sites with Specificity

Sample size: 586 publication Evidence: high

Author Information

Author(s): Lee Tzong-Yi, Chen Yi-Ju, Lu Tsung-Cheng, Huang Hsien-Da, Chen Yu-Ju

Primary Institution: Yuan Ze University

Hypothesis

The study investigates the substrate specificity of cysteine S-nitrosylation using computational methods.

Conclusion

The developed model achieved high accuracy in predicting S-nitrosylation sites, demonstrating the effectiveness of the maximal dependence decomposition approach.

Supporting Evidence

  • The model achieved an accuracy of 0.902 in cross-validation.
  • The MDD-clustered models showed improved predictive power compared to models without clustering.
  • The tool SNOSite was developed for identifying S-nitrosylation sites on uncharacterized protein sequences.

Takeaway

The researchers created a tool to help find specific sites on proteins where a chemical modification happens, which is important for understanding how proteins work.

Methodology

The study used maximal dependence decomposition and support vector machine models to analyze S-nitrosylation sites based on amino acid sequences.

Limitations

The predictive model may not perform well on sequences that are not homologous to the training data.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021849

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