Category:GO:0048018 ! receptor ligand activity

name: receptor ligand activity
namespace: molecular_function
alt_id: GO:0071884
def: "The activity of a gene product that interacts with a receptor to effect a change in the activity of the receptor. Ligands may be produced by the same cell that expresses the receptor. Ligands may also be expressed at the plasma membrane of an adjacent cell (e.g. Notch ligands) or be secreted and diffuse extracellularly from their point of origin to the receiving cell (e.g. interleukins)." [GOC:kv, GOC:molecular_function_refactoring, GOC:pdt]
subset: goslim_chembl
subset: goslim_drosophila
subset: goslim_generic
synonym: "receptor agonist activity" BROAD [GOC:molecular_function_refactoring]
synonym: "signaling molecule" EXACT []
synonym: "signaling receptor ligand activity" EXACT []
is_a: GO:0005102 ! signaling receptor binding
is_a: GO:0030546 ! signaling receptor activator activity
relationship: part_of: GO:0007165 ! signal transduction

AmiGO <GOterm>GO:0048018</GOterm>
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