Interpretable Machine Learning of Amino Acid Patterns in Proteins: A Statistical Ensemble Approach.

ABSTRACT: Explainable and interpretable unsupervised machine learning helps one to understand the underlying structure of data. We introduce an ensemble analysis of machine learning models to consolidate their interpretation. Its application shows that restricted Boltzmann machines compress consistently into a few bits the information stored in a sequence of five amino acids at the start or end of α-helices or β-sheets. The weights learned by the machines reveal unexpected properties of the amino acids and the secondary structure of proteins: (i) His and Thr have a negligible contribution to the amphiphilic pattern of α-helices; (ii) there is a class of α-helices particularly rich in Ala at their end; (iii) Pro occupies most often slots otherwise occupied by polar or charged amino acids, and its pre

SUBMITTER: Braghetto A 

PROVIDER: S-EPMC10500975 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature