Slice & Dice: nested spin-lattice relaxation measurements.

Slice & Dice: nested spin-lattice relaxation measurements.
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DOI:
10.1039/d2cp03458a
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发表时间:
2023-02-22
影响因子:
3.3
通讯作者:
Lewandowski, Jozef R.
Lewandowski, Jozef R.
中科院分区:
化学2区
文献类型:
--
作者:
Franks, W. Trent;Tognetti, Jacqueline;Lewandowski, Jozef R.

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自旋-晶格弛豫速率(R1)测量通常用于表征蛋白质动力学。然而,收集数据所需的时间可能相当长,因为低伽马核的弛豫时间很长,特别是在固态下。我们提出了一种方法来收集骨干重原子弛豫数据的数据集嵌套在固态。这种方法导致2到2.5倍的数据采集速度快的13 C和15 N位点的蛋白质骨架R1弛豫数据的因素。Slice & Dice实验通过嵌套13 C和15 N实验将自旋-晶格弛豫速率的测量加速高达2.5倍,以表征蛋白质动力学。
Spin–lattice relaxation rate (R1) measurements are commonly used to characterize protein dynamics. However, the time needed to collect the data can be quite long due to long relaxation times of the low-gamma nuclei, especially in the solid state. We present a method to collect backbone heavy atom relaxation data by nesting the collection of datasets in the solid state. This method results in a factor of 2 to 2.5 times faster data acquisition for backbone R1 relaxation data for the 13C and 15N sites of proteins. Slice & Dice experiment accelerates up to 2.5 times measurements of spin–lattice relaxation rates for characterizing protein dynamics by nesting 13C and 15N experiments.
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