@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 rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

ex:73_enzymes_related_to_protein a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment '''Select Enzyme Classification (EC) classes that have a protein associated to them'''@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX up: <http://purl.uniprot.org/core/>
SELECT
  DISTINCT ?enzyme
WHERE {
  ?protein a up:Protein .
  {
    ?protein up:enzyme ?enzyme .
  } UNION {
    ?protein up:annotation ?caa .
    ?caa a up:Catalytic_Activity_Annotation .
    ?caa up:catalyticActivity ?ca .
    ?ca up:enzymeClass ?enzyme
  } UNION {
    ?protein up:component/up:enzyme ?enzyme .
  } UNION {
    ?protein up:domain/up:enzyme ?enzyme .
  }
}""" ;
    schema:keywords "enzyme" , "enzyme classification" ;
    schema:target <https://sparql.uniprot.org/sparql/> .