a number of recent advances in the knowledge of the polypeptide structure of photosystem ii has revealed a correlation between primary photochemical events and a 'core ' complex of five hydrophobic polypeptides which provide binding sites for chlorophyll a , pheophytin a , the reaction center chlorophyll ( p680 ) , and its immediate donor , denoted z .
C0031512
pheophytin
C0008260
chlorophyll