Journal
BIOINFORMATICS
Volume 32, Issue 16, Pages 2451-2456Publisher
OXFORD UNIV PRESS
DOI: 10.1093/bioinformatics/btw197
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Funding
- National Institutes of Health [R01 GM078221]
- Japan Society for the Promotion of Science [15H06606]
- Grants-in-Aid for Scientific Research [15H06606] Funding Source: KAKEN
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otivations: Characterizing protein-protein interfaces and the hydrogen bonds is a first step to better understand proteins' structures and functions toward high-resolution protein design. However, there are few large-scale surveys of hydrogen bonds of interfaces. In addition, previous work of shape complementarity of protein complexes suggested that lower shape complementarity in antibody-antigen interfaces is related to their evolutionary origin. Results: Using 6637 non-redundant protein-protein interfaces, we revealed peculiar features of various protein complex types. In contrast to previous findings, the shape complementarity of antibody-antigen interfaces resembles that of the other interface types. These results highlight the importance of hydrogen bonds during evolution of protein interfaces and rectify the prevailing belief that antibodies have lower shape complementarity.
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