Biophysical fragment screening of the β1-adrenergic receptor: identification of high affinity arylpiperazine leads using structure-based drug design.

Biophysical fragment screening of the β1-adrenergic receptor: identification of high affinity arylpiperazine leads using structure-based drug design.
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DOI:
10.1021/jm400140q
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发表时间:
2013-05-09
影响因子:
7.3
通讯作者:
Congreve, Miles
Congreve, Miles
中科院分区:
医学1区
文献类型:
--
作者:
Christopher, John A.;Brown, Jason;Dore, Andrew S.;Errey, James C.;Koglin, Markus;Marshall, Fiona H.;Myszka, David G.;Rich, Rebecca L.;Tate, Christopher G.;Tehan, Benjamin;Warne, Tony;Congreve, Miles

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利用表面等离子体共振(SPR)对热稳定β1-肾上腺素能受体(β1AR)进行生物物理片段筛选,鉴定出中等亲和力、高配体效率(LE)的芳基哌嗪hit 7和8。随后的先导随访证实了化学型的活性,利用β1AR的蛋白质配体晶体结构的基于结构的设计方法鉴定了几个具有较高亲和力的片段,包括吲哚19和喹啉20。在GPCR晶体学的第一个例子中,通过片段筛选得到的配体,稳定的β1AR与19和20络合的结构分别在2.8和2.7 Å的分辨率下被确定。
Biophysical fragment screening of a thermostabilized β1-adrenergic receptor (β1AR) using surface plasmon resonance (SPR) enabled the identification of moderate affinity, high ligand efficiency (LE) arylpiperazine hits 7 and 8. Subsequent hit to lead follow-up confirmed the activity of the chemotype, and a structure-based design approach using protein–ligand crystal structures of the β1AR resulted in the identification of several fragments that bound with higher affinity, including indole 19 and quinoline 20. In the first example of GPCR crystallography with ligands derived from fragment screening, structures of the stabilized β1AR complexed with 19 and 20 were determined at resolutions of 2.8 and 2.7 Å, respectively.
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