@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_00054 a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Proteins which are \"Receptor binding\" according to GO and have the Swiss-Prot keyword \"Immunity\""@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 :isoform ?iso.
 ?iso :function ?statement.
 ?statement :term / :childOf nextprot_cv:GO_0005102.
 filter not exists { ?statement :negativeEvidence ?negev. } # No negative function evidence
 ?iso :uniprotKeyword/:term nextprot_cv:KW-0391.
}""" ;
    schema:keywords "function",
        "keyword",
        "tutorial" ;
    schema:target <https://sparql.nextprot.org/sparql> .