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Dai, Ziqi; Kim, Jin Hae; Tonelli, Marco et al. (2014) pH-induced conformational change of IscU at low pH correlates with protonation/deprotonation of two conserved histidine residues. Biochemistry 53:5290-7
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Kim, Jin Hae; Bothe, Jameson R; Frederick, Ronnie O et al. (2014) Role of IscX in iron-sulfur cluster biogenesis in Escherichia coli. J Am Chem Soc 136:7933-42
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Markley, John L; Kim, Jin Hae; Dai, Ziqi et al. (2013) Metamorphic protein IscU alternates conformations in the course of its role as the scaffold protein for iron-sulfur cluster biosynthesis and delivery. FEBS Lett 587:1172-9
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Cai, Kai; Frederick, Ronnie O; Kim, Jin Hae et al. (2013) Human mitochondrial chaperone (mtHSP70) and cysteine desulfurase (NFS1) bind preferentially to the disordered conformation, whereas co-chaperone (HSC20) binds to the structured conformation of the iron-sulfur cluster scaffold protein (ISCU). J Biol Chem 288:28755-70
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Hsueh, Kuang-Lung; Tonelli, Marco; Cai, Kai et al. (2013) Electron transfer mechanism of the Rieske protein from Thermus thermophilus from solution nuclear magnetic resonance investigations. Biochemistry 52:2862-73
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Kim, Jin Hae; Tonelli, Marco; Frederick, Ronnie O et al. (2012) Specialized Hsp70 chaperone (HscA) binds preferentially to the disordered form, whereas J-protein (HscB) binds preferentially to the structured form of the iron-sulfur cluster scaffold protein (IscU). J Biol Chem 287:31406-13
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Fleischhacker, Angela S; Stubna, Audria; Hsueh, Kuang-Lung et al. (2012) Characterization of the [2Fe-2S] cluster of Escherichia coli transcription factor IscR. Biochemistry 51:4453-62
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Hansen, D Flemming; Westler, William M; Kunze, Micha B A et al. (2012) Accurate structure and dynamics of the metal-site of paramagnetic metalloproteins from NMR parameters using natural bond orbitals. J Am Chem Soc 134:4670-82
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Kim, Jin Hae; Tonelli, Marco; Markley, John L (2012) Disordered form of the scaffold protein IscU is the substrate for iron-sulfur cluster assembly on cysteine desulfurase. Proc Natl Acad Sci U S A 109:454-9
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Dai, Ziqi; Tonelli, Marco; Markley, John L (2012) Metamorphic protein IscU changes conformation by cis-trans isomerizations of two peptidyl-prolyl peptide bonds. Biochemistry 51:9595-602
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