The Protein Data Bank (PDB) is a comprehensive database of three-dimensional structural data of biological molecules, primarily proteins and nucleic acids. It serves as a critical resource for researchers in fields such as biochemistry, molecular biology, and structural biology. The PDB contains information about the spatial arrangement of atoms in these macromolecules, which is crucial for understanding their function, interactions, and roles in various biological processes.
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A public archive of three-dimensional structures of biological macromolecules and associated experimental information. A deposited model describes coordinates and supporting evidence; its interpretation depends on resolution, uncertainty and the experimental preparation.[ref]
https://www.rcsb.org/pages/about-us/index. Overview of the global archive