[1] CNRS, IBMC, Strasbourg, France
[2] IBPC, Paris, France
[3] Inst Organ Chem, Innsbruck, Austria
[4] Ctr Mol Biosci, Innsbruck, Austria
[5] Univ Camerino, Dept Biol, Genet Lab, I-62032 Camerino, Italy
[6] CNRS, UMR 7213, Illkirch Graffenstaden, France
[7] IGBMC, UMR 7104, Illkirch Graffenstaden, France