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

ex:NXQ_00234 a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Proteins with at least two proteotypic synthetic peptides from SRMAtlas of at least 9 amino acids in length"@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX : <http://nextprot.org/rdf/>

SELECT DISTINCT ?entry WHERE {
 ?entry :isoform ?iso.
 ?iso :srmPeptideMapping ?srm .
 ?srm :start ?ps; :end ?pe .
 filter(?pe - ?ps + 1 >= 9)
 ?srm :proteotypic true .
 ?srm :peptideName ?pepid .
}
group by ?entry having(count(distinct ?pepid) > 1)""" ;
    schema:keywords "dataset",
        "peptide",
        "proteomics",
        "tutorial" ;
    schema:target <https://sparql.nextprot.org/sparql> .