Prediction of protein disorder on amino acid substitutions

Analytical Biochemistry
P AnooshaM Michael Gromiha

Abstract

Intrinsically disordered regions of proteins are known to have many functional roles in cell signaling and regulatory pathways. The altered expression of these proteins due to mutations is associated with various diseases. Currently, most of the available methods focus on predicting the disordered proteins or the disordered regions in a protein. On the other hand, methods developed for predicting protein disorder on mutation showed a poor performance with a maximum accuracy of 70%. Hence, in this work, we have developed a novel method to classify the disorder-related amino acid substitutions using amino acid properties, substitution matrices, and the effect of neighboring residues that showed an accuracy of 90.0% with a sensitivity and specificity of 94.9 and 80.6%, respectively, in 10-fold cross-validation. The method was evaluated with a test set of 20% data using 10 iterations, which showed an average accuracy of 88.9%. Furthermore, we systematically analyzed the features responsible for the better performance of our method and observed that neighboring residues play an important role in defining the disorder of a given residue in a protein sequence. We have developed a prediction server to identify disorder-related mutation...Continue Reading

References

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Citations

Nov 3, 2017·Biochemical Genetics·Muhammad WasimHina Ayesha
Mar 20, 2021·Vavilovskiĭ Zhurnal Genetiki I Selekt︠s︡ii·А М BorodinV I Fisinin
Nov 18, 2021·PloS One·Rosalyn C ZimmermannDanny R Welch

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