NDLI: Theoretical Study of Trapping Sites for Muon in the Heme Group of Cytochrome c and Associated Shifts in Muon Spin Relaxation Frequencies

Content Provider	Springer Nature Link
Author	Cammarere, D. Scheicher, R. H. Briere, T. M. Sahoo, N. Das, T. P. Pratt, F. L. Nagamine, K.
Copyright Year	2001
Abstract	Muon Spin Relaxation (μSR) experiments are currently being conducted on the important electron transfer molecule cytochrome c (cyt c) with the goal to find out about microscopic details of the path the moving electron is taking. Simultaneously we are using the Unrestricted Hartree–Fock Cluster Procedure to determine the trapping sites for muon (μ+) and muonium (Mu) in the heme unit of cyt c and the associated hyperfine interactions. For the trapping sites with the highest binding energies for μ+, namely the nitrogen and the carbon of the pyrrole rings, we have used the available magnetic susceptibility data together with our calculated hyperfine fields to predict the Knight-shifts. At room-temperature we found 88.4 ppm and 79.0 ppm for the most attractive N- and adjacent C-site, respectively. At 150 K, these shifts increase to 172.7 ppm for the N-site and 153.7 ppm for the C-site.
Starting Page	759
Ending Page	762
Page Count	4
File Format	PDF
ISSN	03043843
Journal	Hyperfine Interactions
Volume Number	136
Issue Number	3-8
e-ISSN	15729540
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2001-01-01
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Surfaces and Interfaces, Thin Films Nuclear Physics, Heavy Ions, Hadrons Atoms, Molecules, Clusters and Plasmas Condensed Matter
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Atomic and Molecular Physics, and Optics Physical and Theoretical Chemistry Condensed Matter Physics

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