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http://www.rcsb.org/pdb/search/smartSubquery.do?smartSearchSubtype=StructureIdQuery&structureIdList=1A5K,1A5L,1A5M,1A5N,1A5O,1E9Y,1E9Z,1EF2,1EJR,1EJS,1EJT,1EJU,1EJV,1EJW,1EJX,1FWA,1FWB,1FWC,1FWD,1FWE,1FWF,1FWG,1FWH,1FWI,1FWJ,1IE7,1KRA,1KRB,1KRC,1S3T,1UBP,2KAU,2UBP,3QGA,3QGK,3UBP,3UX4,4AC7,4CEU,4CEX,4EP8,4EPB,4EPD,4EPE,4UBP

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