Isoprenoid biosynthesis via the MEP pathway: in vivo Mössbauer spectroscopy identifies a [4Fe-4S]2+ center with unusual coordination sphere in the LytB protein.
Seemann M, Janthawornpong K, Schweizer J, Böttger LH, Janoschka A, Ahrens-Botzong A, Tambou EN, Rotthaus O, Trautwein AX, Rohmer M. J Am Chem Soc. 2009 Sep 23; 131(37):13184-5.