Visualizations of biomolecular structures empower us to gain insights into biological functions, generate testable hypotheses, and communicate biological concepts. Typical visualizations (such as ball and stick) primarily depict covalent bonds. In contrast, non-covalent contacts between atoms, which govern normal physiology, pathogenesis, and drug action, are seldom visualized. We present the Protein Contacts Atlas, an interactive resource of non-covalent contacts from over 100,000 PDB crystal structures. We developed multiple representations for visualization and analysis of non-covalent contacts at different scales of organization: atoms, residues, secondary structure, subunits, and entire complexes. The Protein Contacts Atlas enables researchers from different disciplines to investigate diverse questions in the framework of non-covalent contacts, including the interpretation of allostery, disease mutations and polymorphisms, by exploring individual subunits, interfaces, and protein-ligand contacts and by mapping external information. The Protein Contacts Atlas is available at http://www.mrc-lmb.cam.ac.uk/pca/ and also through PDBe.

中文翻译：

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使用蛋白质接触图谱对非共价接触进行可视化和分析。

生物分子结构的可视化使我们能够深入了解生物功能、生成可检验的假设并传达生物概念。典型的可视化（例如球和棒）主要描述共价键。相比之下，控制正常生理学、发病机制和药物作用的原子之间的非共价接触很少被观察到。我们推出蛋白质接触图集，这是来自超过 100,000 个 PDB 晶体结构的非共价接触的交互式资源。我们开发了多种表示方法，用于不同组织尺度的非共价接触的可视化和分析：原子、残基、二级结构、亚基和整个复合物。蛋白质接触图谱使来自不同学科的研究人员能够通过探索单个亚基、界面和蛋白质-配体接触以及绘制外部信息来研究非共价接触框架中的各种问题，包括变构、疾病突变和多态性的解释。蛋白质接触图谱可在 http://www.mrc-lmb.cam.ac.uk/pca/ 上获取，也可通过 PDBe 获取。