The cross-references section of UniProtKB entries displays explicit and implicit links to databases such as nucleotide sequence databases, model organism databases and genomics and proteomics resources.

Prefix
uniprot.resource
Alternative Prefixes
uniprot.db uniprot.database
Links
Homepage
Contact
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in UniProt Resource should match this regular expression:
^DB-\d{4}$

Example Local Unique Identifier
DB-0174   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from UniProt Resource should match this regular expression:
^uniprot\.resource:DB-\d{4}$

Example CURIE
uniprot.resource:DB-0174
Contributors
Ontology

A summary of the relations in the Bioregistry schema can be found here.

Part Of (bfo:0000050 )
uniprot
Providers

Providers are various services that resolve CURIEs to URLs. The example CURIE uniprot.resource:DB-0174 is used to demonstrate the provides available for this resource. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

Name Metaprefix URI
UniProt Resource uniprot.resource https://www.uniprot.org/database/DB-0174
Bioregistry bioregistry https://bioregistry.io/uniprot.resource:DB-0174