PDB蛋白质结构
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DB是目前最主要的收集生物大分子(蛋白质、核酸和糖)2.5维（以二维的形式表示三维的数据）结构的数据库
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The RCSB Protein Data Bank (PDB) is a repository for experimentally determined structures of proteins, nucleic acids, and complex assemblies. The PDB archive is freely accessible online at the RCSB Protein Data Bank website.