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Structural basis of the signalling through a bacterial membrane receptor HasR deciphered by an integrative approach.

Wojtowicz H, Prochnicka-Chalufour A, de Amorim GC, Roudenko O, Simenel C, Malki I, Pehau-Arnaudet G, Gubellini F, Koutsioubas A, Pérez J, Delepelaire P, Delepierre M, Fronzes R, Izadi-Pruneyre N.

Biochem J. 2016 Jul 15;473(14):2239-48. doi: 10.1042/BCJ20160131. Epub 2016 May 13.


Interaction of a partially disordered antisigma factor with its partner, the signaling domain of the TonB-dependent transporter HasR.

Malki I, Simenel C, Wojtowicz H, de Amorim GC, Prochnicka-Chalufour A, Hoos S, Raynal B, England P, Chaffotte A, Delepierre M, Delepelaire P, Izadi-Pruneyre N.

PLoS One. 2014 Apr 11;9(4):e89502. doi: 10.1371/journal.pone.0089502. eCollection 2014.


(1)H, (13)C and (15)N resonance assignments of the periplasmic signalling domain of HasR, a TonB-dependent outer membrane heme transporter.

Malki I, Cardoso de Amorim G, Simenel C, Prochnicka-Chalufour A, Delepierre M, Izadi-Pruneyre N.

Biomol NMR Assign. 2013 Apr;7(1):43-6. doi: 10.1007/s12104-012-9377-y. Epub 2012 Mar 14.


Activities of the Serratia marcescens heme receptor HasR and isolated plug and beta-barrel domains: the beta-barrel forms a heme-specific channel.

Létoffé S, Wecker K, Delepierre M, Delepelaire P, Wandersman C.

J Bacteriol. 2005 Jul;187(13):4637-45.


Modulation by substrates of the interaction between the HasR outer membrane receptor and its specific TonB-like protein, HasB.

Lefèvre J, Delepelaire P, Delepierre M, Izadi-Pruneyre N.

J Mol Biol. 2008 May 9;378(4):840-51. doi: 10.1016/j.jmb.2008.03.044. Epub 2008 Mar 28.


Haemophore-mediated signalling in Serratia marcescens: a new mode of regulation for an extra cytoplasmic function (ECF) sigma factor involved in haem acquisition.

Biville F, Cwerman H, Létoffé S, Rossi MS, Drouet V, Ghigo JM, Wandersman C.

Mol Microbiol. 2004 Aug;53(4):1267-77.


Interactions of HasA, a bacterial haemophore, with haemoglobin and with its outer membrane receptor HasR.

Létoffé S, Nato F, Goldberg ME, Wandersman C.

Mol Microbiol. 1999 Aug;33(3):546-55.


The crystal structure of the secreted dimeric form of the hemophore HasA reveals a domain swapping with an exchanged heme ligand.

Czjzek M, Létoffé S, Wandersman C, Delepierre M, Lecroisey A, Izadi-Pruneyre N.

J Mol Biol. 2007 Jan 26;365(4):1176-86. Epub 2006 Oct 25.


NMR studies of the C-terminal secretion signal of the haem-binding protein, HasA.

Izadi-Pruneyre N, Wolff N, Redeker V, Wandersman C, Delepierre M, Lecroisey A.

Eur J Biochem. 1999 Apr;261(2):562-8.


Purification, crystallization and preliminary X-ray analysis of the outer membrane complex HasA-HasR from Serratia marcescens.

Huché F, Delepelaire P, Wandersman C, Welte W.

Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 Jan 1;62(Pt 1):56-60. Epub 2005 Dec 16.


Haemophore-mediated bacterial haem transport: evidence for a common or overlapping site for haem-free and haem-loaded haemophore on its specific outer membrane receptor.

Létoffé S, Deniau C, Wolff N, Dassa E, Delepelaire P, Lecroisey A, Wandersman C.

Mol Microbiol. 2001 Jul;41(2):439-50.


Heme uptake across the outer membrane as revealed by crystal structures of the receptor-hemophore complex.

Krieg S, Huché F, Diederichs K, Izadi-Pruneyre N, Lecroisey A, Wandersman C, Delepelaire P, Welte W.

Proc Natl Acad Sci U S A. 2009 Jan 27;106(4):1045-50. doi: 10.1073/pnas.0809406106. Epub 2009 Jan 14.


Functional aspects of the heme bound hemophore HasA by structural analysis of various crystal forms.

Arnoux P, Haser R, Izadi-Pruneyre N, Lecroisey A, Czjzek M.

Proteins. 2000 Nov 1;41(2):202-10.


The Hem and Has haem uptake systems in Serratia marcescens.

Benevides-Matos N, Biville F.

Microbiology. 2010 Jun;156(Pt 6):1749-57. doi: 10.1099/mic.0.034405-0. Epub 2010 Mar 18.


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