Background:
Protein–peptide recognition plays an essential role in the orchestration and regulation of cell
signaling networks, which is estimated to be responsible for up to 40% of biological interaction events in the human
interactome and has recently been recognized as a new and attractive druggable target for drug development and
disease intervention.
Methods:
We present a systematic review on the application of machine learning techniques in the quantitative
modeling and prediction of protein–peptide binding affinity, particularly focusing on its implications for therapeutic
peptide design. We also briefly introduce the physical quantities used to characterize protein–peptide affinity and
attempt to extend the content of generalized machine learning methods.
Results:
Existing issues and future perspective on the statistical modeling and regression prediction of protein–
peptide binding affinity are discussed.
Conclusion:
There is still a long way to go before establishment of general, reliable and efficient machine leaningbased
protein–peptide affinity predictors.