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Identification of novel BRAF kinase inhibitors with structure-based virtual screening
Authors:Park Hwangseo  Choi Hwanho  Hong Seunghee  Hong Sungwoo
Affiliation:Department of Bioscience and Biotechnology, Sejong University, 98 Kunja-Dong, Kwangjin-Ku, Seoul 143-747, Republic of Korea. hspark@sejong.ac.kr
Abstract:VRAF murine sarcoma viral oncogene homologue B1 (BRAF) kinase has proved to be a promising target for the development of therapeutics for the treatment of a variety of human cancers. Here, we report the first example of a successful application of the structure-based virtual screening to identify novel BRAF inhibitors. These inhibitors have desirable physicochemical properties as a drug candidate, and compound 1 revealed a submicromolar binding affinity (0.7 μM). Therefore, they may serve as promising lead compounds for further development by structure-activity relationship (SAR) studies to optimize the inhibitory activities. Structural features relevant to the stabilization of the newly identified inhibitors in the ATP-binding site of BRAF are discussed in detail.
Keywords:Virtual screening   Docking   BRAF inhibitor   Anticancer agents
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