Jha. Nugent, OXYGENIC PHOTOSYNTHESIS - ELECTRON-TRANSFER IN PHOTOSYSTEM-I AND PHOTOSYSTEM-II, European journal of biochemistry, 237(3), 1996, pp. 519-531
Photosystems I and II drive oxygenic photosynthesis. This requires bio
chemical systems with remarkable properties, allowing these membrane-b
ound pigment-protein complexes to oxidise water and produce NAD(P)H. T
he protein environment provides a scaffold in the membrane on which co
factors are placed at optimum distance and orientation, ensuring a rap
id, efficient trapping and conversion of light energy. The polypeptide
core also tunes the redox potentials of cofactors and provides for un
idirectional progress of various reaction steps. The electron transfer
pathways use a variety of inorganic and organic cofactors, including
amino acids. This review sets out some of the current ideas and data o
n the cofactors and polypeptides of photosystems I and II.