Ligand Expo is a data resource for finding information about small molecules bound to proteins and nucleic acids.

Prefix
ligandexpo
Keywords
3d structure chemical chemical compound chemical entity dna interaction interaction/pathway life science molecular interaction nucleic acid nucleic acid sequence protein protein interactions sequence small molecule small molecule binding structure
License
http://ligand-depot.rutgers.edu/acknowledgements.html
Links
Homepage
Publications
2004 Ligand Depot: a data warehouse for ligands bound to macromolecules
Identifier Standards
Pattern for Local Unique Identifiers
Local unique identifiers in Ligand Expo should match this regular expression:
^(\w){3}$
Example Local Unique Identifier
ABC   Resolve
Pattern for CURIES
Compact URIs (CURIEs) constructed from Ligand Expo should match this regular expression:
^ligandexpo:(\w){3}$
Example CURIE
ligandexpo:ABC
Mappings to External Registries

Mappings from records in Semantic Farm to external registries comprises the metaregistry. This resource has 7 mappings to external registries with 4 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
BioContext biocontext LIGANDEXPO
FAIRSharing FAIRSharing logo fairsharing FAIRsharing.2ma4gq
Integbio Integbio logo integbio nbdc01864
Identifiers.org Identifiers.org logo miriam ligandexpo
N2T Name-to-Thing logo n2t ligandexpo
Pathguide Pathguide logo pathguide 154
Prefix Commons Prefix Commons logo prefixcommons ligandexpo
Providers

A provider turns a local unique identifiers from a resource into a URI. Many providers are also resolvable as URLs (i.e., they can be used in a web browser).

The local unique identifier ABC is used to demonstrate the providers available for Ligand Expo. Some providers may use a different example, which is displayed in the table below. A guide for curating additional providers can be found here.

Provider Name Provider Code URI
Ligand Expo ligandexpo http://ligand-depot.rutgers.edu/pyapps/ldHandler.py?formid=cc-index-search&target=ABC&operation=ccid
Bioregistry bioregistry https://bioregistry.io/ligandexpo:ABC
Identifiers.org miriam https://identifiers.org/ligandexpo:ABC
Name-to-Thing n2t https://n2t.net/ligandexpo:ABC
Extra Providers

Additional providers curated in the Semantic Farm are listed here. These are typically inherited from Identifiers.org or Prefix Commons, and need extra curation.

Provider Name Provider Code URL
Ligand Expo at Rutgers http://ligand-expo.rcsb.org/pyapps/ldHandler.py?formid=cc-index-search&target=ABC&operation=ccid
Bio2RDF bio2rdf http://bio2rdf.org/ligandexpo:ABC