PDB蛋白质结构
Site information
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
Highlights
**PDB Protein Structure Database** highlights:
* A repository for experimentally-determined structures of proteins, nucleic acids, and complex assemblies.
* Provides access to data from X-ray crystallography, NMR spectroscopy, and cryo-electron microscopy.
* Essential resource for understanding the structure and function of biological molecules.