The first example of sequence-specific non-uniformly 13C5 labelled RNA: Synthesis of the 29mer HIV-1 TAR RNA with 13C Relaxation Window
作者:Jan Milecki、Edouard Zamaratski、Tatiana V. Maltseva、András Földesi、Ryszard W. Adamiak、Jyoti Chattopadhyaya
DOI:10.1016/s0040-4020(99)00294-x
日期:1999.5
A complete synthetic protocol as well as 1H- and 13C-NMR data on the monomer building blocks used for the solid-phase synthesis of specifically 13C-labelled (99 atom % 13C) stem (27A and 43G), bulge (24C) and loop (31U) regions of 29mer HIV-1 TAR RNA hairpin starting from the 13C6--glucose are presented. The complex NMR spectra of 13C-labelled monomer building blocks, due to the interaction of various
完整的合成方案以及有关单体结构单元的1 H和13 C-NMR数据,这些单体用于固相合成13 C标记(99%原子的13 C)茎(27 A和43 G),凸起(24 C)和环(31 29聚体HIV-1 RNA TAR发夹U)区域从起始13 ç 6 - -葡萄糖被呈现。的复杂的NMR谱13 C标记的单体结构单元,由于各种的相互作用13 C和1已指定H个旋转。异核2D NMR已证明,通过化学合成在此处实现的HIV-1 TAR 29mer RNA的非均一标记提供了最佳的机会,可以进行完整的T 1和T 2弛豫测量(“ NMR弛豫窗口”)与统一标记的寡核苷酸RNA相比,由于13 C共振的最小重叠,所有四种策略性地将13 C标记的残基的糖碳的每种类型均以独特且前所未有的方式进行。