xref

Values of this property define external cross-references from this entity to entities in external databases.

Source:http://www.biopax.org/release/biopax-level3.owl#xref

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
rdfs:comment
Values of this property define external cross-references from this entity to entities in external databases.@en, Values of this property define external cross-references from this entity to entities in external databases.@en, Values of this property define external cross-references from this entity to entities in external databases.@en
rdfs:range