通过振动圆二色性可检测到的DNA最小结构基序的构象研究：胞苷酰-(3'-5')-鸟苷和鸟苷酰-(3'-5')-胞苷。
Conformational studies of the smallest structural motifs of DNA detectable via vibrational circular dichroism: cytidylyl-(3'-5')-guanosine and guanylyl-(3'-5')-cytidine.
作者信息
Birke S S, Diem M
机构信息
Department of Chemistry, City University of New York, Hunter College, New York 10021, USA.
出版信息
Biophys J. 1995 Mar;68(3):1045-9. doi: 10.1016/S0006-3495(95)80279-1.
Abstract
The infrared absorption and vibrational circular dichroism (VCD) spectra of buffered aqueous solutions of cytidylyl-(3'-5')-guanosine (5'(CG)3') and guanylyl-(3'-5')-cytidine (5'(GC)3') are reported. Under low ionic strength conditions, these dinucleotides exhibit VCD features that can be predicted qualitatively from structural data of (CG)2 and (GC)2 sequences of poly(dG-dC).poly(dG-dC), using the exciton model for infrared VCD intensities.
摘要
报道了胞苷酰-(3'-5')-鸟苷(5'(CG)3')和鸟苷酰-(3'-5')-胞苷(5'(GC)3')缓冲水溶液的红外吸收光谱和振动圆二色性(VCD)光谱。在低离子强度条件下，利用红外VCD强度的激子模型，这些二核苷酸表现出的VCD特征可根据聚(dG-dC).聚(dG-dC)的(CG)2和(GC)2序列的结构数据进行定性预测。
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本文引用的文献
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Strategies for the computation of infrared CD and absorption spectra of biological molecules: ribonucleic acids.生物分子（核糖核酸）红外圆二色光谱和吸收光谱的计算策略
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IR vibrational CD in model deoxyoligonucleotides: observation of the B----Z phase transition and extended coupled oscillator intensity calculations.模型脱氧寡核苷酸中的红外振动圆二色性：B----Z 相变的观测及扩展耦合振子强度计算
Biopolymers. 1989 Dec;28(12):2047-58. doi: 10.1002/bip.360281202.
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