Xref

Definition: A reference from an instance of a class in this ontology to an object in an external resource. Rationale: Xrefs in the future can be removed in the future in favor of explicit miram links. Usage: For most cases one of the subclasses of xref should be used.

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

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
rdfs:comment
Definition: A reference from an instance of a class in this ontology to an object in an external resource. Rationale: Xrefs in the future can be removed in the future in favor of explicit miram links. Usage: For most cases one of the subclasses of xref should be used., Definition: A reference from an instance of a class in this ontology to an object in an external resource. Rationale: Xrefs in the future can be removed in the future in favor of explicit miram links. Usage: For most cases one of the subclasses of xref should be used., Definition: A reference from an instance of a class in this ontology to an object in an external resource. Rationale: Xrefs in the future can be removed in the future in favor of explicit miram links. Usage: For most cases one of the subclasses of xref should be used.
owl:disjointWith
biopax3:BioSource, biopax3:BioSource, biopax3:BioSource, biopax3:ChemicalStructure, biopax3:ChemicalStructure, biopax3:ChemicalStructure, biopax3:ControlledVocabulary, biopax3:ControlledVocabulary, biopax3:ControlledVocabulary, biopax3:DeltaG, biopax3:DeltaG, biopax3:DeltaG, biopax3:EntityFeature, biopax3:EntityFeature, biopax3:EntityFeature, biopax3:EntityReference, biopax3:EntityReference, biopax3:EntityReference, biopax3:Evidence, biopax3:Evidence, biopax3:Evidence, biopax3:ExperimentalForm, biopax3:ExperimentalForm, biopax3:ExperimentalForm, biopax3:KPrime, biopax3:KPrime, biopax3:KPrime, biopax3:PathwayStep, biopax3:PathwayStep, biopax3:PathwayStep, biopax3:Provenance, biopax3:Provenance, biopax3:Provenance, biopax3:Score, biopax3:Score, biopax3:Score, biopax3:SequenceLocation, biopax3:SequenceLocation, biopax3:SequenceLocation, biopax3:Stoichiometry, biopax3:Stoichiometry, biopax3:Stoichiometry
rdfs:subClassOf