Where is $NADP$ reductase enzyme located in the chloroplast? What is the role of this enzyme in proton gradient development?

(N/A) $NADP$ reductase enzyme is located on the outer side of the thylakoid membrane,facing the stroma.
During the light reaction,electrons are transferred from $PS I$ to $NADP^+$ to form $NADPH + H^+$.
This process consumes protons $(H^+)$ from the stroma.
By removing protons from the stroma,this enzyme contributes to the maintenance of the proton gradient across the thylakoid membrane,which is essential for $ATP$ synthesis.