MAS NMR Structure of a Microcrystalline Cd-Bacteriochlorophyll d Analogue

Solid-state NMR is an emerging method to obtain structural information in molecular biology and nanotechnology for systems that are inaccessible to solution NMR or diffraction methods. While solution NMR generally converges upon families of structures in a bottom-up approach, solid NMR structure det...

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Veröffentlicht in:Journal of the American Chemical Society 2003-11, Vol.125 (44), p.13374-13375
Hauptverfasser: de Boer, Ido, Matysik, Jörg, Amakawa, Masaaki, Yagai, Shiki, Tamiaki, Hitoshi, Holzwarth, Alfred R, de Groot, Huub J. M
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Sprache:eng
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Zusammenfassung:Solid-state NMR is an emerging method to obtain structural information in molecular biology and nanotechnology for systems that are inaccessible to solution NMR or diffraction methods. While solution NMR generally converges upon families of structures in a bottom-up approach, solid NMR structure determination will have to take into account the top-down constraints that follow from the additional requirement that the entire 3D space must be packed in an orderly fashion. We used MAS NMR together with molecular modeling calculations in steps to establish a detailed model of the local crystal structure of an aggregate of uniformly 13C- and 15N-labeled Cd-chlorophyllide d, a model for the chlorosomal antennae. In this way we converge upon a space group P21 with a = 14.3 Å, b = 27.3 Å, c = 6.4 Å, β = 147.2° and Z = 2.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja0367492