Excitable Tissues Flashcards
1
Q
What is the usual structural motif of ionotropic receptors?
A
4 transmembrane spanning regions (TM4). Usually several TM4 subunits form receptor
2
Q
What is the usual structural motif of metabotropic receptors?
A
7 Transmembrane spanning regions (TM&). Usually one TM7 protein forms receptor.
3
Q
Which ACh receptors are ionotropic? Metabotropic?
A
Nicotinic = ionotropic
Muscarinic = Metabotropic