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铁基和血蛋白中的半氨酸残留物之间的电子转移:自旋捕获分析

Suchandra Bhattacharjee1, Leesa J Deterding, JinJie Jiang

  • 1Laboratory of Pharmacology and Chemistry, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA. bhattac1@niehs.nih.gov

Journal of the American Chemical Society
|October 18, 2007
PubMed
概括

电子转移发生在蛋白质中的铁和氨酸残留物之间. 旋转陷 DMPO 的旋转陷

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Ideally, an unpaired electron shows a single peak in the EPR spectrum due to the transition between the two spin energy states. However, coupling interactions can occur between the spins of the unpaired electron and any neighboring spin-active nuclei. This hyperfine coupling results in hyperfine splitting, where the EPR signal is split into multiplets. The signals split into 2nI + 1 peaks, where n is the number of equivalent nuclei and I is the nuclear spin. These splitting patterns provide...
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