期刊
CURRENT OPINION IN STRUCTURAL BIOLOGY
卷 68, 期 -, 页码 1-8出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.sbi.2020.10.008
关键词
-
资金
- Division of General Medical Sciences of the National Institute Health (NIH) [R35GM118039]
The tertiary structure of a protein is determined by the interplay of local secondary structure propensities, hydrogen bonding, and tertiary interactions. The global structure of a protein sequence is collectively selected by the many-body, tertiary interactions among residues. Recent advances in deep-learning approaches have been successful in predicting protein side-chain contacts because they implicitly learned the many-body interactions among protein residues.
The tertiary structure of a native protein is dictated by the interplay of local secondary structure propensities, hydrogen bonding, and tertiary interactions. It is argued that the space of known protein topologies covers all single domain folds and results from the compactness of the native structure and excluded volume. Protein compactness combined with the chirality of the protein's side chains also yields native-like Ramachandran plots. It is the many-body, tertiary interactions among residues that collectively select for the global structure that a particular protein sequence adopts. This explains why the recent advances in deep-learning approaches that predict protein side-chain contacts, the distance matrix between residues, and sequence alignments are successful. They succeed because they implicitly learned the many-body interactions among protein residues.
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