[On the differences of molecular aggregates structure with long wave fluorescence in the photosystems I and II]

Galactolipase and protenase action on the low temperature fluorescence spectra of light chloroplast fragments obtained from grana or intergrana thylakoids and grana thylakoids system before and after isolation photosystem I particles have been studied. Identical hydrolytic enzymes action in the two type photosystem I particles have been studied. Identical hydrolytic enzymes action in the two type photosystem I particles were observed. Grana thylakoids system after removing photosystem I particles contained photosystem II in the most purified form. These measurements results confirmed our previous suggestion that the band at 735 nm in the low temperature fluorescence spectra of light and heavy fragments belongs to the different native chlorophyll a aggregates.