1. Division
of Biophysics, Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Zwirki i Wigury 93, 02-089 Warsaw, Poland
2. Centre
of New Technologies, University of Warsaw, Banacha 2c, 02-097 Warsaw, Poland
3. Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, OX1 3TA Oxford, United Kingdom
4. Laboratory
of Biological NMR, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland