Lee, Eun Ha; Popov; Lee, Joo Young; Shpatov; Kukina; Kang, Suk Woo; Pan, Cheol-Ho; Um, Byung Hun; Jung, Sang Hoon Russian Journal of Bioorganic Chemistry, 2011, vol. 37, # 5 p. 569 - 577 doi: 10.1134/S1068162011050050