Stroma
Thylakoid lumen
Photosystem II
Cytochrome b6f
Photosystem I
NADP+ reductase
ATP synthase
Electron Transport Chain
light
light
H
O
H
NADP+
ADP + Pi
O
NADPH
ATP
e-
e-
e-
e-
PQ
PC
H+
H+
H+
H+
H+
H+