🌐EnglishEnglishDeutschРусскийفارسی한국어中文日本語EntityQ7251429· pop 5· linked from 34 articlesProtein Data Banktextual file format describing the three-dimensional structures of molecules held in the Protein Data BankConnectionsPythonEntitydigital object identifierEntityCategoriesBiological sequence formatChemical file formatsComputational chemistry