A set of SPARQL examples that are used in different SIB resources
Retrieve the MNXref reaction identifier, that corresponds to the KEGG reaction R00703 (lactate dehydrogenase).
PREFIX keggR: <https://identifiers.org/kegg.reaction:>
PREFIX mnx: <https://rdf.metanetx.org/schema/>
# Retrieve the MNXref reaction identifier, that corresponds to
# the KEGG reaction *R00703* (lactate dehydrogenase).
SELECT ?reaction ?reference
FROM <https://rdf.metanetx.org/> WHERE {
?reaction a mnx:REAC .
?reaction mnx:reacXref keggR:R00703 .
?reaction mnx:reacRefer ?reference
}
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v1("?reaction"):::projected
v2("?reference"):::projected
c4(["kegg.reaction:R00703"]):::iri
c2(["mnx:REAC"]):::iri
v1 --"a"--> c2
v1 --"mnx:reacXref"--> c4
v1 --"mnx:reacRefer"--> v2