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本文利用水质子的选择性弛豫试剂，通过对乙肝病毒ｅ抗原中一个预测的抗原决定簇（ＨＢｅＡｇＰ３肽）在水溶液中的构象研究，对ＮＭＲ实验中水峰的抑制进行了新的探索，并完成了ＨＢｅＡｇＰ３肽的谱峰指定。
In this paper, the use of water proton selective relaxation reagent, through the conformational study of a predicted antigenic determinant (HBeAgP3 peptide) of hepatitis B virus e antigen in aqueous solution, the inhibition of water peak in NMR experiment was explored in a new way The peak assignment of HBeAgP3 peptide was completed.