2017
DOI: 10.1002/ange.201610551
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Festkörper‐NMR‐ und EPR‐Spektroskopie an Mn2+‐substituierten ATP‐angetriebenen Proteinmaschinen

Abstract: Paramagnetische Metallionen liefern strukturelle Informationen, sowohl in EPR-als auch in Festkçrper-NMR-Experimenten, und ermçglichen einen vielversprechenden synergetischen Ansatz zum Studium von Biomakromolekülen. Wird emonstrieren die spektralen Konsequenzene iner Mg 2+ / Mn 2+ -Substitution und den daraus resultierenden Informationsgehalt fürz wei verschiedene ATP:Mg 2+ -angetriebene Proteinmaschinen, einer im bakteriellen Replisom aktiven DnaB-Helikase von Helicobacter pylori und dem ABC-Transporter BmrA… Show more

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Cited by 5 publications
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“…The reported PELDOR time traces had good SNRs, but the modulation depths were low and did not exceed 2 % (Figure c). The use of wideband chirp pump pulses for the Q‐ and W‐band Mn 2+ /Mn 2+ PELDOR measurements did not result in overcoming this limit so far, partially due to the incomplete binding of the Mn 2+ ‐based co‐factors to the studied proteins . Although the low modulation depths had negative effect on the SNR of the PELDOR signals, they allowed avoiding multi‐spin effects for a protein HpDnaB, which binds up to 12 Mn 2+ ions …”
Section: Methodsmentioning
confidence: 99%
“…The reported PELDOR time traces had good SNRs, but the modulation depths were low and did not exceed 2 % (Figure c). The use of wideband chirp pump pulses for the Q‐ and W‐band Mn 2+ /Mn 2+ PELDOR measurements did not result in overcoming this limit so far, partially due to the incomplete binding of the Mn 2+ ‐based co‐factors to the studied proteins . Although the low modulation depths had negative effect on the SNR of the PELDOR signals, they allowed avoiding multi‐spin effects for a protein HpDnaB, which binds up to 12 Mn 2+ ions …”
Section: Methodsmentioning
confidence: 99%