Affiliation: | 1. Institut für Organische Chemie und Chemische Biologie, J.W. Goethe Universit?t Frankfurt am Main, Max‐von‐Laue Strasse 7, 60438 Frankfurt am Main (Germany), Fax: (+49)?6979829148;2. Thermo Fisher Scientific (formerly Fermentas), V. Graiciuno 8, 02241 Vilnius (Lithuania);3. Asper Biotech Ltd, Vaksali 17A, 50410 Tartu (Estonia);4. Institute of Molecular and Cell Biology, University of Tartu, Riia 23, 51010 Tartu (Estonia) |