The aggregation, arrangement and bonding together of two or more different receptor complexes that individually undergo combination with a hormone, neurotransmitter, drug or intracellular messenger to form a higher level receptor complex. The formation of the higher level complex initiates a change in cell function.
Source:
GOC:PARL,
GOC:dox,
PMID:24157794,
GOC:pad,
PMID:22035699