Term Name:	coreceptor activity
Synonyms:	coreceptor, insoluble ligand activity, coreceptor, soluble ligand activity
Definition:	Combining with an extracellular or intracellular messenger, and in cooperation with a nearby primary receptor, initiating a change in cell activity.
Ontology:	GO: Molecular Function [GO:0015026]    QuickGO    AmiGO