Design and Synthesis of Peptidomimetic Factor VIIa Inhibitors

被引:2
|
作者
Shiraishi, Takuya [1 ]
Kadono, Shojiro [1 ]
Haramura, Masayuki [1 ]
Kodama, Hirofumi [1 ]
Ono, Yoshiyuki [1 ]
Iikura, Hitoshi [1 ]
Esaki, Tohru [1 ]
Koga, Takaki [1 ]
Hattori, Kunihiro [1 ]
Watanabe, Yoshiaki [1 ]
Sakamoto, Akihisa [1 ]
Yoshihashi, Kazutaka [1 ]
Kitazawa, Takehisa [1 ]
Esaki, Keiko [1 ]
Ohta, Masateru [1 ]
Sato, Haruhiko [1 ]
Kozono, Toshiro [1 ]
机构
[1] Chugai Pharmaceut Co Ltd, Fuji Gotemba Res Labs, Shizuoka 4128513, Japan
关键词
factor VIIa; X-ray; 2Xactivated partial thromboplastin time/2Xprothrombin time; thromboembolic disorder; peptidomimetic inhibitor; FACTOR-VIIA/TISSUE-FACTOR; COAGULATION-FACTOR VIIA; TISSUE FACTOR MUTANT; CRYSTAL-STRUCTURE; P3; MOIETIES; FACTOR XA; COMPLEX; THROMBOSIS; OPTIMIZATION; EFFICACY;
D O I
10.1248/cpb.58.38
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Selective factor Vila-tissue factor complex (FVIIa/TF) inhibition is regarded as a promising target for developing new anticoagulant drugs. In previous reports, we described a S3 subsite found in the X-ray crystal structure of compound 2 that bound to FVIIa/soluble tissue factor (sTF). Based on the X-ray crystal structure information and with the aim of improving the inhibition activity for FVIIa/TF and selectivity against other serine proteases, we synthesized derivatives by introducing substituents at position 5 of the indole ring of compound 2. Among them, compound 16 showed high selectivity against other serine proteases. Contrary to our expectations, compound 16 did not occupy the S3-subsite; X-ray structure analysis revealed that compound 16 improved selectivity by forming hydrogen bonds with Gln217, Thr99 and Asn100.
引用
收藏
页码:38 / 44
页数:7
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