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http://www.rcsb.org/pdb/search/smartSubquery.do?smartSearchSubtype=StructureIdQuery&structureIdList=3EYG,3EYH,3LXN,3LXP,3NYX,3NZ0,3ZON,4E1Z,4E20,4E4L,4E4N,4E5W,4EHZ,4EI4,4FK6,4GFO,4GIH,4GII,4GJ2,4GJ3,4GVJ,4I5C,4IVB,4IVC,4IVD,4K6Z,4K77,4L00,4L01,4OLI,4PO6,4PY1,4WOV,5C01,5C03,5E1E,5F1Z,5F20,5HX8,5IXD,5IXI,5KHW,5KHX,5L04,5TKD,5WAL,5WO4,6AAH,6AAM,6BBU,6C7Y,6DBK,6DBM,6DBN,6ELR,6GGH,6N77,6N78,6N79,6N7A,6N7B,6N7C,6N7D,6NZE,6NZF,6NZH,6NZP,6NZQ,6NZR

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