Low-frequency vibrational motions in proteins: physical mechanisms and effect on functioning N. N. Brandt, A. Yu. Chikishev, V. I. Dolgovskii, A. V. Kargovskii and S. I. Lebedenko Eur. Phys. J. B, 65 3 (2008) 419-424 Published online: 25 July 2008 DOI: 10.1140/epjb/e2008-00304-9