G Proteins Flashcards
1
Q
Gs
A
Binds Epinephrine and Histamine
Acts on Adenylate Cyclase
cAMP second messenger
2
Q
Gi
A
Binds Dopamine, Epinephrine and Norepinephrine
Inhibits Adenylate Cyclase
3
Q
Gt
A
Photons activate receptor
Increases PDE activity, decreasing cGMP
4
Q
Gq
A
Binds Acetycholine
Acts on Phospholipase C
Ca2+ second messenger