@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_00005 a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Proteins located in mitochondrion and that lack a transit peptide"@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 {
 values ?mitoloc {nextprot_cv:SL-0173 nextprot_cv:GO_0005739 } # SL and GO values for mitochondrion
 ?entry :isoform ?iso.
 filter not exists { ?iso :uniprotKeyword /:term nextprot_cv:KW-0809 } # Transit peptide
 ?iso :cellularComponent ?loc .
 ?loc :term /:childOf ?mitoloc.
 filter not exists {?loc :negativeEvidence ?negev} # No negative localization evidence
}

# Variables start with ? and can be given any name.
# Variables such as ?entry and ?mitoloc (location in the mitochondrion) are easily understood by humans.""" ;
    schema:keywords "subcellular location",
        "tutorial" ;
    schema:target <https://sparql.nextprot.org/sparql> .