Protein dynamics detected in a membrane-embedded potassium channel using two-dimensional solid-state NMR spectroscopy.
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Protein dynamics detected in a membrane-embedded potassium channel using two-dimensional solid-state NMR spectroscopy. / Ader, Christian; Pongs, Olaf; Becker, Stefan; Baldus, Marc.
in: BBA-BIOMEMBRANES, Jahrgang 1798, Nr. 2, 2, 2010, S. 286-290.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Protein dynamics detected in a membrane-embedded potassium channel using two-dimensional solid-state NMR spectroscopy.
AU - Ader, Christian
AU - Pongs, Olaf
AU - Becker, Stefan
AU - Baldus, Marc
PY - 2010
Y1 - 2010
N2 - We report longitudinal (15)N relaxation rates derived from two-dimensional ((15)N, (13)C) chemical shift correlation experiments obtained under magic angle spinning for the potassium channel KcsA-Kv1.3 reconstituted in multilamellar vesicles. Thus, we demonstrate that solid-state NMR can be used to probe residue-specific backbone dynamics in a membrane-embedded protein. Enhanced backbone mobility was detected for two glycine residues within the selectivity filter that are highly conserved in potassium channels and that are of core relevance to the filter structure and ion selectivity.
AB - We report longitudinal (15)N relaxation rates derived from two-dimensional ((15)N, (13)C) chemical shift correlation experiments obtained under magic angle spinning for the potassium channel KcsA-Kv1.3 reconstituted in multilamellar vesicles. Thus, we demonstrate that solid-state NMR can be used to probe residue-specific backbone dynamics in a membrane-embedded protein. Enhanced backbone mobility was detected for two glycine residues within the selectivity filter that are highly conserved in potassium channels and that are of core relevance to the filter structure and ion selectivity.
M3 - SCORING: Zeitschriftenaufsatz
VL - 1798
SP - 286
EP - 290
JO - BBA-BIOMEMBRANES
JF - BBA-BIOMEMBRANES
SN - 0005-2736
IS - 2
M1 - 2
ER -