DICP OpenIR
学科主题物理化学
pH -Dependent Chirality of L-Proline studied by Raman Optical Acticity and DFT calculation
Qiu S(邱石); Feng ZC(冯兆池); Li C(李灿); Li GN(李冠娜); Wang P(王鹏); Zhou J(周俊)
会议文集CD2011 THE 13TH International Confenrence on Chiroptical Spectroscopy
会议名称CD2011 THE 13TH International Confenrence on Chiroptical Spectroscopy
会议日期2011-7-24
2011
会议地点Oxford
页码51-0
出版者待补充
出版地待补充
合作性质分会口头报告
部门归属503
主办者英国国家同步辐射实验室Diamond
英文摘要The characteristic pyrrolidine ring structure of Proline (Pro) and its conformational flexibility are important to the biological function in peptides and proteins. Raman Optical Activity (ROA) spectroscopy is used to carefully study the chirality of L-Pro in aqueous solution with different pH values. Raman shifts and ROA intensities are found to be directly correlated with the acidic or basic environment. The dramatic changes of the distributions and the dispersion of the ROA intensities indicate that an acidic or basic environment not only leads to the simple abstraction or addition of a proton but also changes the electron delocalization throughout the molecule. These results will be useful for interpreting the ROA spectra of proline-rich peptides.; The characteristic pyrrolidine ring structure of Proline (Pro) and its conformational flexibility are important to the biological function in peptides and proteins. Raman Optical Activity (ROA) spectroscopy is used to carefully study the chirality of L-Pro in aqueous solution with different pH values. Raman shifts and ROA intensities are found to be directly correlated with the acidic or basic environment. The dramatic changes of the distributions and the dispersion of the ROA intensities indicate that an acidic or basic environment not only leads to the simple abstraction or addition of a proton but also changes the electron delocalization throughout the molecule. These results will be useful for interpreting the ROA spectra of proline-rich peptides.
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/116091
专题中国科学院大连化学物理研究所
通讯作者Feng ZC(冯兆池); Li C(李灿)
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GB/T 7714
Qiu S,Feng ZC,Li C,et al. pH -Dependent Chirality of L-Proline studied by Raman Optical Acticity and DFT calculation[C]. 待补充:待补充,2011:51-0.
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