J Integr Plant Biol. ›› 1993, Vol. 35 ›› Issue (3): -.

• Research Articles •    

Light-Induced Damage of Histidine Residues in Photosystem II Reaction Center D1/D2/cyt b559 Complex

Kuang Ting-yun,Yu Zhen-bao,Tang Chong-qin,Lu Rong-he,Peng De-chuan and Tang Pei-song   

Abstract: Histidine residue content of photosystem Ⅱ reaction center D1/D2/cytochrome b559 complex decreased by about 26% after illumination. The result suggests that some histidine residues are damaged by illumination. The damage of histidine residues may be related to the changes of the spectra properties during the incubation in the dark following preillumination of the reaction center complex.

Key words: Photosystem Ⅱ reaction center, D1/D2/cyt b559 complex, Photodamage

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