
Simon P. answered 06/19/20
MD Candidate: Medical School and College Level Tutor
Hi Cliff,
There are several ligands that bind to each of those receptor types you mentioned. An example of one for each could look like the following:
GPCRs: norepinephrine
Tyrosine kinases: Epidermal growth factor (EGF)
Ion channel receptors: Acetylcholine
Best,
Simon