@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_00302 a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "PE1 entries that do not comply with HPP guidelines (at least 2 non overlapping peptides of at least 9aa from a single data source)"@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX : <http://nextprot.org/rdf/>
PREFIX nextprot_cv: <http://nextprot.org/rdf/terminology/>

SELECT DISTINCT ?entry WHERE {
 ?entry :existence :Evidence_at_protein_level .
 ?entry :isoform ?iso.
 filter not exists { ?iso :uniprotKeyword / :term nextprot_cv:KW-1267.}
}""" ;
    schema:keywords "keyword",
        "protein existence",
        "proteomics",
        "tutorial" ;
    schema:target <https://sparql.nextprot.org/sparql> .