@prefix ex: <https://sparql.uniprot.org/.well-known/sparql-examples/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <https://schema.org/> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix spex: <https://purl.expasy.org/sparql-examples/ontology#> .

ex:175_uniprot_identity_of_a_pdb_entry_via_pdbj a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Starting from PDB entry pdb_00002bq0 (the extended, versioned wwPDB identifier for legacy entry 2BQ0), federate live with PDBj/RDF Portal's wwPDB RDF to retrieve the recommended or submitted protein name and organism of the UniProt entity it was solved from -- the reverse direction of resolving a protein to its PDB structures"@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX up: <http://purl.uniprot.org/core/>
PREFIX pdbo: <http://rdf.wwpdb.org/schema/pdbx-with-vrptx-v50.owl#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>

SELECT
  ?protein
  ?recommendedName
  ?organismName
WHERE {
  SERVICE <https://rdfportal.org/pdb/sparql> {
    # The extended, versioned wwPDB identifier is recorded as a
    # skos:altLabel on the entry, alongside its legacy 4-character code.
    ?pdbEntry skos:altLabel "pdb_00002bq0" .
    ?pdbEntry pdbo:has_struct_refCategory/pdbo:has_struct_ref ?structRef .
    ?structRef pdbo:link_to_uniprot ?protein .
  }

  ?protein up:organism ?organism .
  ?organism up:scientificName ?organismName .
  OPTIONAL {
    ?protein up:recommendedName  ?name .
  }
  OPTIONAL {
    FILTER(! BOUND(?name))
    ?protein up:submittedName ?name .
  }
  ?name up:fullName ?recommendedName  ;
}""" ;
    schema:keywords "PDB" , "federated query" , "PDBj" ;
    schema:target <https://sparql.uniprot.org/sparql/> ;
    spex:federatesWith <https://rdfportal.org/pdb/sparql> .