[1] Seoul Natl Univ, Coll Pharm, Pharmaceut Sci Res Inst, Seoul 151742, South Korea
[2] Shenyang Pharmaceut Univ, Shenyang 110016, Liaoning, Peoples R China
[3] Ewha Womans Univ, Grad Sch Pharmaceut Sci, Coll Pharm, Natl Leading Res Lab Mol Modeling & Drug Design, Seoul 120750, South Korea
[4] Ewha Womans Univ, Global Top Res Program 5, Seoul 120750, South Korea
[5] NCI, Lab Canc Biol & Genet, Ctr Canc Res, NIH, Bethesda, MD 20892 USA