**

*Dear all,*

*We're excited to announce significant improvements to ligand data access and organisation within the PDBe FTP area. These updates aim to empower your research by simplifying data retrieval and providing deeper insights into protein-ligand interactions.*

*Key Enhancements:*

 *

   *Comprehensive Ligand Interaction Data: Two new data files,
   Interacting_chains_with_ligand_functions.tsv and
   pdb_bound_molecules.tsv, enable large-scale analyses of ligand
   interactions across the entire PDB archive including functional
   categorisation such as drug-like, reactant-like or cofactor-like.*

 *

   *Streamlined FTP Directory Structure: The revamped FTP area features
   dedicated folders for Chemical Component Definitions (CCDs),
   Peptide-like Reference Definitions (PRDs), Covalently Linked
   Components (CLCs), and additional data files, facilitating intuitive
   data navigation.*

*Benefits for You:*

 *

   *Perform large-scale ligand interaction analyses across the entire
   PDB using complete ligand representations.*

 *

   *Quick access to all the ligands bound to a specific protein or
   identifying all the proteins binding to a specific ligand*

 *

   *Gain deeper insights into protein function through ligand
   interaction and classification.*

 *

   *Easily access and navigate ligand data with clear file organisation
   and unique identifiers.*

*We believe these improvements will enhance ligand data analysis through streamlined data access and additional functional insights. *

*For more information, visit the PDBe news item at:https://www.ebi.ac.uk/pdbe/news/improved-access-ligand-data-and-annotations-pdbe-ftp <https://www.ebi.ac.uk/pdbe/news/improved-access-ligand-data-and-annotations-pdbe-ftp>*

*Or visit the PDBe FTP area directly:https://ftp.ebi.ac.uk/pub/databases/msd/pdbechem_v2/ <https://ftp.ebi.ac.uk/pub/databases/msd/pdbechem_v2/>*

*Should you have any questions or require further assistance, please don't hesitate to contact us.*

*

Sincerely,

Deborah Harrus

The PDBe Team

*

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Deborah Harrus, Ph.D.
PDBe Archive Project Leader, Biocuration Lead
PDBe - Protein Data Bank in Europe

European Bioinformatics Institute (EMBL-EBI)
European Molecular Biology Laboratory
Wellcome Trust Genome Campus
Hinxton
Cambridge CB10 1SD UK

http://www.PDBe.org
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