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Jihong Kim, Dongwook Choi, Chankyu Park, K. Ryu (2015)
Per-deuteration and NMR experiments for the backbone assignment of 62 kDa protein, Hsp31Journal of the Korean magnetic resonance society, 19
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Hsp31, the Escherichia coli yedU Gene Product, Is a Molecular Chaperone Whose Activity Is Inhibited by ATP at High Temperatures*The Journal of Biological Chemistry, 277
Paulene Quigley, K. Korotkov, F. Baneyx, W. Hol (2003)
The 1.6-Å crystal structure of the class of chaperones represented by Escherichia coli Hsp31 reveals a putative catalytic triadProceedings of the National Academy of Sciences of the United States of America, 100
Dongwook Choi, K. Ryu, Chankyu Park (2013)
Structural alteration of Escherichia coli Hsp31 by thermal unfolding increases chaperone activity.Biochimica et biophysica acta, 1834 2
Sourav Bandyopadhyay, M. Cookson (2004)
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Mirna Mujacic, F. Baneyx (2006)
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Mirna Mujacic, F. Baneyx (2006)
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Dongwook Choi, Jihong Kim, Sura Ha, K. Kwon, Eun-hee Kim, Hee‐Yoon Lee, K. Ryu, Chankyu Park (2014)
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Krishna Subedi, Dongwook Choi, Insook Kim, Bumchan Min, Chankyu Park (2011)
Hsp31 of Escherichia coli K‐12 is glyoxalase IIIMolecular Microbiology, 81
Dimeric Hsp31 protein was first characterized as a holding chaperone of Escherichia coli (E. coli), and has been suggested as having protease activity due to the presence of a potential catalytic triad, Cys185, His186, and Asp214. However, it has recently been reported that Hsp31 displays a relatively strong glyoxalase III activity that can decompose reactive carbonyl species (methylglyoxal and glyoxal) in the absence of additional cofactor. Hsp31 is a representative member of the DJ-1/ThiJ/PfpI protein superfamily, and the importance of DJ-1 protein in Parkinson’s disease has been well known. The structural flexibility of the long loop region, which encompasses from the P- to the A-domain, is important for the chaperone activity of Hsp31. The backbone chemical shifts (CSs) would be useful for studying the structural changes of Hsp31 that are critical for the holding chaperone activity, and also for deciphering the switching mechanism between the glyoxalase III and the chaperone. Here, we report the backbone CSs (HN, N, CO, Cα, and Cβ) of the deuterated Hsp31 protein (62 kDa). The CS analysis showed that the predicted regions of secondary structures are in good agreement with those observed in the previous crystal structure of Hsp31.
Biomolecular NMR Assignments – Springer Journals
Published: Mar 3, 2017
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