@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_00203 a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Proteins with a mature chain of from 300 to 400 residues"@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX : <http://nextprot.org/rdf/>

SELECT DISTINCT ?entry WHERE {
 ?entry :isoform ?iso.
 ?iso :matureProtein [ :start ?mstart ; :end ?mend].
 filter (?mend-?mstart > 0). # chain fully defined
 bind(?mend - ?mstart as ?mlen)
 filter(?mlen >= 300 && ?mlen <= 400)
}""" ;
    schema:keywords "processing",
        "sequence",
        "tutorial" ;
    schema:target <https://sparql.nextprot.org/sparql> .