@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:51 a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Find all proteins linked to arachidonate (CHEBI:32395)"@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX CHEBI: <http://purl.obolibrary.org/obo/CHEBI_>
PREFIX rh: <http://rdf.rhea-db.org/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX up: <http://purl.uniprot.org/core/>


SELECT 
    DISTINCT
        ?uniprot
        ?uniprotID
        ?recname
        ?gene
        ?chebi
        ?uniprotName
WHERE {
  SERVICE <https://sparql.rhea-db.org/sparql> {
     VALUES (?chebi) { (CHEBI:32395) }
     ?rhea rh:side/rh:contains/rh:compound ?compound .
     ?compound rh:chebi ?chebi .
     ?chebi up:name ?uniprotName .
  }
  ?uniprot up:annotation/up:catalyticActivity/up:catalyzedReaction ?rhea .
  ?uniprot up:mnemonic ?uniprotID .
  ?uniprot up:recommendedName/up:fullName ?recname .
  OPTIONAL {?uniprot up:encodedBy/skos:prefLabel ?gene .}
}""" ;
    schema:keywords "small molecule" , "ChEBI" , "federated query" ;
    schema:target <https://sparql.uniprot.org/sparql/> ;
    spex:federatesWith <https://sparql.rhea-db.org/sparql> .