The robustness of NMR coherence transfer in proximity of a paramagnetic center depends on the relaxation properties of the nuclei involved. In the case of Iron-Sulfur Proteins, different pulse schemes or different parameter sets often provide complementary results. Tailored versions of HCACO and CACO experiments significantly increase the number of observed C^(?)/C' connectivities in highly paramagnetic systems, by recovering many resonances that were lost due to paramagnetic relaxation....
Paramagnetic NMR to study iron sulfur proteins: 13C detected experiments illuminate the vicinity of the metal center
Paramagnetic NMR to study iron sulfur proteins: 13C detected experiments illuminate the vicinity of the metal center
Abstract
The robustness of NMR coherence transfer in proximity of a paramagnetic center depends on the relaxation properties of the nuclei involved. In the case of Iron-Sulfur Proteins, different pulse schemes or different parameter sets often provide complementary results. Tailored versions of HCACO and CACO experiments significantly increase the number of observed Cα/Câ?? connectivities in highly paramagnetic systems, by recovering...
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10-19-2023 01:17 PM
[NMR paper] 15N-Detected TROSY NMR experiments to study large disordered proteins in high-field magnets
15N-Detected TROSY NMR experiments to study large disordered proteins in high-field magnets
Intrinsically disordered regions (IDRs) of proteins are critical in the regulation of biological processes but difficult to study structurally. Nuclear magnetic resonance (NMR) is uniquely equipped to provide structural information on IDRs at atomic resolution; however, existing NMR methods often pose a challenge for large molecular weight IDRs. Resonance assignment of IDRs using ^(15)N^(D)-detection was previously demonstrated and shown to overcome some of these limitations. Here, we improve...
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08-04-2022 01:03 AM
[NMR paper] Paramagnetic Properties of a Crystalline Iron-Sulfur Protein by Magic-Angle Spinning NMR Spectroscopy.
Paramagnetic Properties of a Crystalline Iron-Sulfur Protein by Magic-Angle Spinning NMR Spectroscopy.
Related Articles Paramagnetic Properties of a Crystalline Iron-Sulfur Protein by Magic-Angle Spinning NMR Spectroscopy.
Inorg Chem. 2017 May 24;
Authors: Bertarello A, Schubeis T, Fuccio C, Ravera E, Fragai M, Parigi G, Emsley L, Pintacuda G, Luchinat C
Abstract
We present the first solid-state NMR study of an iron-sulfur protein. The combined use of very fast (60 kHz) magic-angle spinning and tailored radiofrequency irradiation...
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05-26-2017 08:36 PM
[NMR paper] Longitudinal relaxation properties of (1)H(N) and (1)H(?) determined by direct-detected (13)C NMR experiments to study intrinsically disordered proteins (IDPs).
Longitudinal relaxation properties of (1)H(N) and (1)H(?) determined by direct-detected (13)C NMR experiments to study intrinsically disordered proteins (IDPs).
Longitudinal relaxation properties of (1)H(N) and (1)H(?) determined by direct-detected (13)C NMR experiments to study intrinsically disordered proteins (IDPs).
J Magn Reson. 2015 Feb 12;254:19-26
Authors: Hošek T, Gil-Caballero S, Pierattelli R, Brutscher B, Felli IC
Abstract
Intrinsically disordered proteins (IDPs) are functional proteins containing large...
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03-17-2015 05:12 PM
Longitudinal relaxation properties of 1HN and 1H? determined by direct-detected 13C NMR experiments to study intrinsically disordered proteins (IDPs)
Longitudinal relaxation properties of 1HN and 1H? determined by direct-detected 13C NMR experiments to study intrinsically disordered proteins (IDPs)
Publication date: Available online 12 February 2015
Source:Journal of Magnetic Resonance</br>
Author(s): Tomáš Hošek , Sergi Gil-Caballero , Roberta Pierattelli , Bernhard Brutscher , Isabella C. Felli</br>
Intrinsically disordered proteins (IDPs) are functional proteins containing large fragments characterized by high local mobility. Bioinformatic studies have suggested that a significant fraction (more than 30%)...
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02-12-2015 07:48 PM
[NMR paper] Tangled web of interactions among proteins involved in iron-sulfur cluster assembly as unraveled by NMR, SAXS, chemical crosslinking, and functional studies.
Tangled web of interactions among proteins involved in iron-sulfur cluster assembly as unraveled by NMR, SAXS, chemical crosslinking, and functional studies.
Tangled web of interactions among proteins involved in iron-sulfur cluster assembly as unraveled by NMR, SAXS, chemical crosslinking, and functional studies.
Biochim Biophys Acta. 2014 Nov 22;
Authors: Kim JH, Bothe JR, Reid Alderson T, Markley JL
Abstract
Proteins containing iron-sulfur (Fe-S) clusters arose early in evolution and are essential to life. Organisms have...
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12-03-2014 04:05 PM
Tangled web of interactions among proteins involved in iron-sulfur cluster assembly as unraveled by NMR, SAXS, chemical crosslinking, and functional studies
Tangled web of interactions among proteins involved in iron-sulfur cluster assembly as unraveled by NMR, SAXS, chemical crosslinking, and functional studies
Publication date: Available online 22 November 2014
Source:Biochimica et Biophysica Acta (BBA) - Molecular Cell Research</br>
Author(s): Jin Hae Kim , Jameson R. Bothe , T. Reid Alderson , John L. Markley</br>
Proteins containing iron-sulfur (Fe-S) clusters arose early in evolution and are essential to life. Organisms have evolved machinery consisting of specialized proteins that operate together to assemble...
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11-22-2014 01:48 PM
[NMR paper] Exploration of the structural environment of the iron-sulfur cluster in putidaredoxin
Exploration of the structural environment of the iron-sulfur cluster in putidaredoxin by nitrogen-15 NMR spectroscopy of selectively labeled cysteine residues.
Related Articles Exploration of the structural environment of the iron-sulfur cluster in putidaredoxin by nitrogen-15 NMR spectroscopy of selectively labeled cysteine residues.
Biochem Biophys Res Commun. 1998 Aug 28;249(3):773-80
Authors: Sari N, Holden MJ, Mayhew MP, Vilker VL, Coxon B
Putidaredoxin is a di-iron protein whose paramagnetic region is not well characterized by 1H...