➊
The crucible of the MamP protein (structure colored in grey, with its magnetochrome domains in red) allows
transformation of Fe(II) into Fe(III), those two redox states being necessary to make magnetite nanomagnets in
so-called magnetotactic bacteria.
© Pascal Arnoux/CEA
PROXIMA 1 beamline
ASSOCIATED PUBLICATION
Structural insight into magnetochrome-
mediated magnetite biomineralization
M.I. Siponen, P. Legrand, M. Widdrat,
S.R. Jones, W.J. Zhang, M.C.Y. Chang,
D. Faivre, P. Arnoux* and D. Pignol
Nature 502(7473) (2013) 681
*UMR 7265 CEA-CNRS-Aix-Marseille Université,
DSV, IBEB, Laboratoire de Bioénergétique
Cellulaire, 13108 Saint-Paul-lez-Durance, France
CORRESPONDING AUTHOR
69
SYNCHROTRON
HIGHLIGHTS
2013
