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Molecular chaperones HscA/Ssq1 and HscB/Jac1 and their roles in iron-sulfur protein maturation.

Vickery LE, Cupp-Vickery JR.

Crit Rev Biochem Mol Biol. 2007 Mar-Apr;42(2):95-111. Review.


Studies on the mechanism of catalysis of iron-sulfur cluster transfer from IscU[2Fe2S] by HscA/HscB chaperones.

Bonomi F, Iametti S, Morleo A, Ta D, Vickery LE.

Biochemistry. 2008 Dec 2;47(48):12795-801. doi: 10.1021/bi801565j.


Regulation of the HscA ATPase reaction cycle by the co-chaperone HscB and the iron-sulfur cluster assembly protein IscU.

Silberg JJ, Tapley TL, Hoff KG, Vickery LE.

J Biol Chem. 2004 Dec 24;279(52):53924-31. Epub 2004 Oct 13.


Facilitated transfer of IscU-[2Fe2S] clusters by chaperone-mediated ligand exchange.

Bonomi F, Iametti S, Morleo A, Ta D, Vickery LE.

Biochemistry. 2011 Nov 8;50(44):9641-50. doi: 10.1021/bi201123z. Epub 2011 Oct 13.


Sequence-specific interaction between mitochondrial Fe-S scaffold protein Isu and Hsp70 Ssq1 is essential for their in vivo function.

Dutkiewicz R, Schilke B, Cheng S, Knieszner H, Craig EA, Marszalek J.

J Biol Chem. 2004 Jul 9;279(28):29167-74. Epub 2004 Apr 30.


Ssq1, a mitochondrial Hsp70 involved in iron-sulfur (Fe/S) center biogenesis. Similarities to and differences from its bacterial counterpart.

Dutkiewicz R, Schilke B, Knieszner H, Walter W, Craig EA, Marszalek J.

J Biol Chem. 2003 Aug 8;278(32):29719-27. Epub 2003 May 19.


Evolution of mitochondrial chaperones utilized in Fe-S cluster biogenesis.

Schilke B, Williams B, Knieszner H, Pukszta S, D'Silva P, Craig EA, Marszalek J.

Curr Biol. 2006 Aug 22;16(16):1660-5.


Contributions of the LPPVK motif of the iron-sulfur template protein IscU to interactions with the Hsc66-Hsc20 chaperone system.

Hoff KG, Cupp-Vickery JR, Vickery LE.

J Biol Chem. 2003 Sep 26;278(39):37582-9. Epub 2003 Jul 17.


Compensation for a defective interaction of the hsp70 ssq1 with the mitochondrial Fe-S cluster scaffold isu.

Knieszner H, Schilke B, Dutkiewicz R, D'Silva P, Cheng S, Ohlson M, Craig EA, Marszalek J.

J Biol Chem. 2005 Aug 12;280(32):28966-72. Epub 2005 Jun 15.


The phylogenetic distribution of frataxin indicates a role in iron-sulfur cluster protein assembly.

Huynen MA, Snel B, Bork P, Gibson TJ.

Hum Mol Genet. 2001 Oct 1;10(21):2463-8.


Solution structure of the iron-sulfur cluster cochaperone HscB and its binding surface for the iron-sulfur assembly scaffold protein IscU.

Füzéry AK, Tonelli M, Ta DT, Cornilescu G, Vickery LE, Markley JL.

Biochemistry. 2008 Sep 9;47(36):9394-404. doi: 10.1021/bi800502r. Epub 2008 Aug 15.


Crystal structure of the molecular chaperone HscA substrate binding domain complexed with the IscU recognition peptide ELPPVKIHC.

Cupp-Vickery JR, Peterson JC, Ta DT, Vickery LE.

J Mol Biol. 2004 Sep 24;342(4):1265-78. Erratum in: J Mol Biol. 2004 Dec 3;344(4):1163-4.


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).

Kim JH, Tonelli M, Frederick RO, Chow DC, Markley JL.

J Biol Chem. 2012 Sep 7;287(37):31406-13. doi: 10.1074/jbc.M112.352617. Epub 2012 Jul 9.


Characterization of the interaction between the J-protein Jac1p and the scaffold for Fe-S cluster biogenesis, Isu1p.

Andrew AJ, Dutkiewicz R, Knieszner H, Craig EA, Marszalek J.

J Biol Chem. 2006 May 26;281(21):14580-7. Epub 2006 Mar 21.


The Fe/S assembly protein IscU behaves as a substrate for the molecular chaperone Hsc66 from Escherichia coli.

Silberg JJ, Hoff KG, Tapley TL, Vickery LE.

J Biol Chem. 2001 Jan 19;276(3):1696-700. Epub 2000 Oct 26.


Interaction of J-protein co-chaperone Jac1 with Fe-S scaffold Isu is indispensable in vivo and conserved in evolution.

Ciesielski SJ, Schilke BA, Osipiuk J, Bigelow L, Mulligan R, Majewska J, Joachimiak A, Marszalek J, Craig EA, Dutkiewicz R.

J Mol Biol. 2012 Mar 16;417(1-2):1-12. doi: 10.1016/j.jmb.2012.01.022. Epub 2012 Jan 27.


The mitochondrial proteins Ssq1 and Jac1 are required for the assembly of iron sulfur clusters in mitochondria.

Lutz T, Westermann B, Neupert W, Herrmann JM.

J Mol Biol. 2001 Mar 30;307(3):815-25. Erratum in: J Mol Biol 2001 May 18;308(5):1091.


Structural determinants of HscA peptide-binding specificity.

Tapley TL, Cupp-Vickery JR, Vickery LE.

Biochemistry. 2006 Jul 4;45(26):8058-66.


Iron-Sulfur Cluster Biogenesis Chaperones: Evidence for Emergence of Mutational Robustness of a Highly Specific Protein-Protein Interaction.

Delewski W, Paterkiewicz B, Manicki M, Schilke B, Tomiczek B, Ciesielski SJ, Nierzwicki L, Czub J, Dutkiewicz R, Craig EA, Marszalek J.

Mol Biol Evol. 2016 Mar;33(3):643-56. doi: 10.1093/molbev/msv254. Epub 2015 Nov 5.

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