1. Institute for Organic Chemistry
and Chemical Biology, Center of Biomolecular Magnetic Resonance, Goethe University Frankfurt, Max-von-Laue-Strasse 7,
60438 Frankfurt am Main, Germany
2. School of Biology-Oriented Science
and Technology, Kinki University, Kinokawa,
649-6493, Japan
3. School of
Science and Technology, Kwansei Gakuin University, Sanda, 669-1337, Japan
4. The Henry Wellcome Building
for Biomolecular NMR Spectroscopy, School of Cancer Sciences, University of Birmingham, Edgbaston, Birmingham B15
2TT, U. K.
5. Institut de Biologie
Structurale
Jean-Pierre Ebel, CEA-CNRS-UJF UMR 5075, 41 Rue Jules Horowitz, Grenoble 38027, France