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ProtCID: a data resource for structural information on protein interactions

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  • Qifang Xu

    (Fox Chase Cancer Center)

  • Roland L. Dunbrack

    (Fox Chase Cancer Center)

Abstract

Structural information on the interactions of proteins with other molecules is plentiful, and for some proteins and protein families, there may be 100s of available structures. It can be very difficult for a scientist who is not trained in structural bioinformatics to access this information comprehensively. Previously, we developed the Protein Common Interface Database (ProtCID), which provided clusters of the interfaces of full-length protein chains as a means of identifying biological assemblies. Because proteins consist of domains that act as modular functional units, we have extended the analysis in ProtCID to the individual domain level. This has greatly increased the number of large protein-protein clusters in ProtCID, enabling the generation of hypotheses on the structures of biological assemblies of many systems. The analysis of domain families allows us to extend ProtCID to the interactions of domains with peptides, nucleic acids, and ligands. ProtCID provides complete annotations and coordinate sets for every cluster.

Suggested Citation

  • Qifang Xu & Roland L. Dunbrack, 2020. "ProtCID: a data resource for structural information on protein interactions," Nature Communications, Nature, vol. 11(1), pages 1-16, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14301-4
    DOI: 10.1038/s41467-020-14301-4
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