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http://www.rcsb.org/pdb/search/smartSubquery.do?smartSearchSubtype=StructureIdQuery&structureIdList=4I4T,4I50,4I55,4IHJ,4IIJ,4O2A,4O2B,4O4H,4O4I,4O4J,4O4L,4TUY,4TV8,4TV9,4WBN,4YJ2,4YJ3,4ZHQ,4ZI7,4ZOL,5BMV,5C8Y,5CA0,5CA1,5CB4,5EZY,5FNV,5GON,5H74,5H7O,5IYZ,5J2T,5J2U,5JCB,5JH7,5JQG,5JVD,5KX5,5LA6,5LOV,5LP6,5LXS,5LXT,5LYJ,5M7E,5M7G,5M8D,5M8G,5MF4,5NFZ,5NG1,5NJH,5O7A,5OSK,5OV7,5XAF,5XAG,5XHC,5XI5,5XI7,5XIW,5XKE,5XKF,5XKG,5XKH,5XLT,5XLZ,5XP3,5YL2,5YL4,5YLJ,5YLS,5YZ3,5Z4P,6BR1,6BRF,6BRY,6BS2,6D88,6F7C,6FII,6FJF,6FJM,6FKJ,6FKL,6GJ4

It has been permanently removed as part of our announced shutdown on December 9th, 2020.

See the Legacy API Shutdown December 9 announcement for further details.


Legacy APIs

If you are using one of the legacy API endpoints, you will need to migrate to the new json-based APIs.

The new APIs provide more comprehensive search and fetch capabilities, see Web Services Overview.

Documentation for the new services and migration guides are available:

Data API tutorial
Search API tutorial
Data API migration guide
Search API migration guide