Li Xuepeng, Lin Nianyun, Tu Tiecheng, et al. ESR STUDIES OF RADIATION PROTECTION MECHAUISMS BY BASIC AMINO ACIDS[J]. Journal of Radiation Research and Radiation Processing, 1984,2(2):17-22.
Li Xuepeng, Lin Nianyun, Tu Tiecheng, et al. ESR STUDIES OF RADIATION PROTECTION MECHAUISMS BY BASIC AMINO ACIDS[J]. Journal of Radiation Research and Radiation Processing, 1984,2(2):17-22.DOI:
In this paper the mechanisms of radiation protection exerted by histidine and arginine on thymine were studied. By means of ESR and molecular orbital calculations the radiation protection mechanism via electron transfer from thymine anion to the basic amino acids has heen confirmed. The electrophilic property of the amino acids varies with thier degree of protonation. Under PH7 condition, the mechanism of radiation protection by histidine on thymine may be a coordinated process of electron and hydrogen transfer.
关键词
碱性氨基酸电荷转移保护氢原子转移电子自旋共振胸腺嘧啶组氨酸精氨酸
Keywords
Basic amino acidCharge transfer protectionHydrogen transferESRThymineHistidineArginine