G Proteins Flashcards

1
Q

Gs

A

Binds Epinephrine and Histamine
Acts on Adenylate Cyclase
cAMP second messenger

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2
Q

Gi

A

Binds Dopamine, Epinephrine and Norepinephrine

Inhibits Adenylate Cyclase

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3
Q

Gt

A

Photons activate receptor

Increases PDE activity, decreasing cGMP

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4
Q

Gq

A

Binds Acetycholine
Acts on Phospholipase C
Ca2+ second messenger

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