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http://www.rcsb.org/pdb/search/smartSubquery.do?smartSearchSubtype=StructureIdQuery&structureIdList=1RKP,1T9R,1T9S,1TBF,1UDT,1UDU,1UHO,1XOZ,1XP0,2CHM,2H40,2H42,2H44,2K31,2XSS,3B2R,3BJC,3HC8,3HDZ,3JAB,3JBQ,3JWQ,3JWR,3LFV,3MF0,3SHY,3SHZ,3SIE,3TGE,3TGG,4G2W,4G2Y,4I9Z,4IA0,4MD6,4OEW,4OEX,5JO3,5ZZ2,6ACB,6IWI

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