[1] European Mol Biol Lab EMBL Grenoble, 71 Ave Martyrs, Grenoble, France
[2] Univ Vienna, Dept Struct & Computat Biol, Max Perutz Labs, Campus Vienna Bioctr 5, Vienna, Austria
[3] Univ Ljubljana, Fac Chem & Chem Technol, Dept Biochem, Ljubljana, Slovenia