@prefix ex: <https://sparql.uniprot.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#> .
@prefix spex:<https://purl.expasy.org/sparql-examples/ontology#> .

ex:54 a sh:SPARQLExecutable,
        sh:SPARQLSelectExecutable ;
    rdfs:comment "Proteins with binding sites for ligands similar to heme"@en ;
    sh:prefixes _:sparql_examples_prefixes ;
    sh:select """PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX sachem: <http://bioinfo.uochb.cas.cz/rdf/v1.0/sachem#>
PREFIX up: <http://purl.uniprot.org/core/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

SELECT 
  ?protein
  ?mnemonic
  ?proteinName
  ?ligandSimilarityScore
  ?ligand
WHERE {
  SERVICE <https://idsm.elixir-czech.cz/sparql/endpoint/chebi> {
    ?ssc sachem:compound ?ligand; 
      sachem:score ?ligandSimilarityScore ;
      sachem:similaritySearch ?sss .
        # Smiles of Heme
    ?sss    sachem:query "CC1=C(CCC([O-])=O)C2=[N+]3C1=Cc1c(C)c(C=C)c4C=C5C(C)=C(C=C)C6=[N+]5[Fe-]3(n14)n1c(=C6)c(C)c(CCC([O-])=O)c1=C2";
      sachem:cutoff "8e-1"^^xsd:double ;
      sachem:aromaticityMode sachem:aromaticityDetect ;
      sachem:similarityRadius 1 ;
      sachem:tautomerMode sachem:ignoreTautomers .
  }
  ?protein up:mnemonic ?mnemonic ;
    up:recommendedName/up:fullName ?proteinName ;
    up:annotation ?annotation .
  ?annotation a up:Binding_Site_Annotation ;
      up:ligand/rdfs:subClassOf ?ligand .
}
ORDER BY DESC(?ligandSimilarityScore)""" ;
    schema:keywords "binding site" , "chemical similarity" , "idms" , "sachem" , "federated query" ;
    schema:target <https://sparql.uniprot.org/sparql/> ;
    spex:federatesWith <https://idsm.elixir-czech.cz/sparql/endpoint/chebi> .