@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#> .

ex:160_non_reference_proteomes_and_strain a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Find non-reference proteomes and the organism and strain they were sequenced from"@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX up: <http://purl.uniprot.org/core/>

SELECT ?proteome ?organism ?strain
WHERE {
  ?proteome a up:Non_Reference_Proteome ;
    up:organism ?organism .
  OPTIONAL { ?proteome up:strain ?strain }
}""" ;
    schema:keywords "proteome" , "strain" ;
    schema:target <https://sparql.uniprot.org/sparql/> .