Revealing weak histidine 15 N homonuclear scalar couplings using Solid-State Magic-Angle-Spinning NMR spectroscopy.

Chunhua Tan,Yuquan Chen,Xinhua Peng,Zhong Chen,Shuhui Cai,Timothy A Cross,Riqiang Fu

Journal of Magnetic Resonance（2020）

引用 3|浏览18

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摘要

•Double spin-echo sequence is proposed for measuring homonuclear J-couplings.•Weak J-coupling constants less than intrinsic natural linewidths can be measured.•This method is capable of obtaining hydrogen-mediated 15N-15N J-couplings.

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关键词

Double-spin-echo,J-resolved spectroscopy,Histidine tautomeric states,Hydrogen bonds,Hydrogen-bond mediated J-coupling,Solid-state NMR

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