1. N.I. Vavilov Institute of General Genetics RAS; Gubkina 3 Moscow 119991 Russia
2. A.A.Kharkevich Institute for Information Transmission Problems; Russian Academy of Sciences; Bol'shoy Karetny 19 Moscow 127994 Russia
3. M.V. Lomonosov Moscow State University; Faculty of Bioengineering and Bioinformatics; Vorobyevy Gory 1-73 Moscow 119992 Russia
4. Department of Natural Sciences; Novosibirsk State University; 2 Pirogova Str. Novosibirsk-90 630090 Russia
5. St Mary's School Calne; Wiltshire SN11 0DF UK
6. Division of Molecular and Cellular Biosciences; National Science Foundation; 4201 Wilson Boulevard Arlington VA 22230 USA