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A Novel Prediction Method of ATP Binding Residues from Protein Primary Sequence

  • Chuyi Song
  • Guixia Liu
  • Jiazhi Song
  • Jingqing JiangEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11555)

Abstract

ATP is an important nucleotide that provides energy for biological activities in cells. Correctly identifying the protein-ATP binding site is helpful for protein function annotations and new drug development. With the innovation of machine learning, more and more researchers start to predict the binding sites from protein sequences instead of using biochemical experiment methods. Since the number of non-binding residues is far from the number of binding residues, a popular method to deal with the ATP-binding dataset is to apply the under-sampling to construct training subset which will inevitably lose the negative samples. However, a lot of valuable information for ATP binding properties is hidden in negative samples which should be carefully considered. In this study, the dataset which contains full negative samples are applied in training process. In order to avoid biased in prediction result, the decision tree classification algorithm which shows stable performance in imbalanced data is applied. The prediction performance on five-fold cross validation has demonstrated that our proposed method improves the performance compared with using under-sampled data.

Keywords

ATP-binding site Protein primary sequence Decision tree Binary classification 

Notes

Acknowledgement

This work was supported by The National Natural Science Foundation of China (Project No. 61662057, 61672301) and Higher Educational Scientific Research Projects of Inner Mongolia Autonomous Region (Project No. NJZC17198).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Chuyi Song
    • 1
  • Guixia Liu
    • 2
    • 3
  • Jiazhi Song
    • 2
    • 3
  • Jingqing Jiang
    • 4
    Email author
  1. 1.College of MathematicsInner Mongolia University for NationalitiesTongliaoChina
  2. 2.College of Computer Science and TechnologyJilin UniversityChangchunChina
  3. 3.Key Laboratory of Symbolic Computational and Knowledge EngineeringChangchunChina
  4. 4.College of Computer Science and TechnologyInner Mongolia University for NationalitiesTongliaoChina

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