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

ex:13 a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Retrieve all proteins belongong to the Hierarchical Orthologous Group (HOG) at the level 'Vertebrata' to which humans' CDIN1 gene belong, together with their gene name symbol if available."@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX obo: <http://purl.obolibrary.org/obo/>
PREFIX orth: <http://purl.org/net/orth#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX up: <http://purl.uniprot.org/core/>

SELECT DISTINCT ?HOG ?MEMBER ?GENE_LABEL
WHERE {
    ?HOG a orth:OrthologsCluster ;
      orth:hasHomologousMember ?node1 ;
      orth:hasTaxonomicRange ?taxRange .
    ?taxRange orth:taxRange 'Vertebrata' .
    ?node1 orth:hasHomologousMember* ?query ;
      orth:hasHomologousMember* ?MEMBER .
    ?MEMBER a orth:Protein .
    OPTIONAL {
        ?MEMBER rdfs:label ?GENE_LABEL .
    }
    ?query a orth:Protein ;
      orth:organism/obo:RO_0002162/up:scientificName 'Homo sapiens';
      rdfs:label 'CDIN1'.
}""" ;
    schema:target <https://sparql.omabrowser.org/sparql> .