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http://www.rcsb.org/pdb/search/smart.do?smartSearchSubtype_0=ChemSmilesQuery&searchType_0=Similar&similarity_0=0.8&polymericType_0=Any&smartComparator=and&target=Ligand&smiles_0CC(C)%5BCH%5D(NC(%3DO)%5BCH%5D(Cc1cccc2ccccc12)C%5BS%5D(%3DO)(%3DO)C(C)(C)C)C(%3DO)N%5BCH%5D(Cc3ccccc3)%5BCH%5D(O)%5BCH%5D(O)%5BCH%5D(Cc4ccccc4)NC(%3DO)%5BCH%5D(NC(%3DO)%5BCH%5D(Cc5cccc6ccccc56)C%5BS%5D(%3DO)(%3DO)C(C)(C)C)C(C)C

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