A set of SPARQL examples that are used in different SIB resources
Select a mapping of UniProtKB enzymes to PDB entries using the UniProtKB cross-references to the PDB database.
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX up: <http://purl.uniprot.org/core/>
SELECT
?protein
?db
WHERE
{
?protein a up:Protein .
?protein rdfs:seeAlso ?db .
?db up:database <http://purl.uniprot.org/database/PDB> .
{
?protein up:enzyme ?enzyme .
} UNION {
?protein up:annotation/rdf:type up:Catalytic_Activity_Annotation .
}
}
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v2("?db"):::projected
v3("?enzyme")
v1("?protein"):::projected
a1((" "))
c5([http://purl.uniprot.org/database/PDB]):::iri
c8(["up:Catalytic_Activity_Annotation"]):::iri
c2(["up:Protein"]):::iri
v1 --"a"--> c2
v1 --"rdfs:seeAlso"--> v2
v2 --"up:database"--> c5
subgraph union0[" Union "]
subgraph union0l[" "]
style union0l fill:#abf,stroke-dasharray: 3 3;
v1 --"up:annotation"--> a1
a1 --"a"--> c8
end
subgraph union0r[" "]
style union0r fill:#abf,stroke-dasharray: 3 3;
v1 --"up:enzyme"--> v3
end
union0r <== or ==> union0l
end