Where appropriate, also consider annotating to 'receptor agonist activity ; GO:0048018'.

Where appropriate, also consider annotating to 'receptor agonist activity ; GO:0048018'.

Wikipedia:Ligand_(biochemistry)

Binding to one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.

GO:0005102

receptor binding

molecular_function

receptor-associated protein activity

GO:0005102

signaling receptor binding

receptor ligand