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Nucleic Acids Res. 2019 Nov 14. pii: gkz1064. doi: 10.1093/nar/gkz1064. [Epub ahead of print]

The SCOP database in 2020: expanded classification of representative family and superfamily domains of known protein structures.

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MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, UK.
EKMM Limited, Cambridge CB1 9AZ, UK.


The Structural Classification of Proteins (SCOP) database is a classification of protein domains organised according to their evolutionary and structural relationships. We report a major effort to increase the coverage of structural data, aiming to provide classification of almost all domain superfamilies with representatives in the PDB. We have also improved the database schema, provided a new API and modernised the web interface. This is by far the most significant update in coverage since SCOP 1.75 and builds on the advances in schema from the SCOP 2 prototype. The database is accessible from


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