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상동성 모델링을 이용한 Tricyclic Isoxazole 유도체와 α2c-Adrenoceptor의 상호작용
최경섭(Kyoung-Seob Choi),강나나(Na-na Kang),명평근(Pyung-Keun Myung),성낙도(Nack-Do Sung) 대한약학회 2010 약학회지 Vol.54 No.4
Adrenoceptor has been considered to be an important target in psychiatric disorders. Based on x-ray structures of bovine rhodopsin, we established homology model of α2c-adrenoceptor (ADA2C_rat) and then analyzed docking from binding model of receptor-ligand complex with high-active compound No.29 in tricyclic isoxazole analogues (1-30). We observed that the N (1.907 Å) and O (1.712 Å) atoms of isoxazole ring on the docked ligand (No.29) formed H-bonding interaction with O-H of Ser5.32 and carmeron phenyl ring centroid of tricyclic isoxazole formed π-π interaction at 3.342 Å distance with phenyl ring centroid of Phe6.52. According to predictions of blood-brain distribution (logBB) through penetration of blood-brain barrie (BBB) and polar surface area (PSA) of the ligands, the high-active compound No.29 has values of logBB=-0.203, PSA=67.50, respectively. These results suggest that the high-active compound No.29 is a novel anti-depressant with the characteristics such as dopamine and serotonin.