1. Engelhardt Institute of Molecular Biology RAS 32 Vavilov str. Moscow 119991 Russia
2. Gause Institute of New Antibiotics 11 Bol'shaya Pirogovskaya Moscow 119021 Russia
3. Zelinsky Institute of Organic Chemistry RAS 47 Leninsky Ave. Moscow 119991 Russia
4. Research Center of Biotechnology RAS 33 Leninsky Ave. Moscow 119071 Russia