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片段文库筛选揭示了 G 蛋白偶联受体组胺 H₄ 和离子通道血清素 5-HT₃A 之间的显著相似性。

Fragment library screening reveals remarkable similarities between the G protein-coupled receptor histamine H₄ and the ion channel serotonin 5-HT₃A.

机构信息

Leiden/Amsterdam Center of Drug Research, Division of Medicinal Chemistry, Faculty of Sciences, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands.

出版信息

Bioorg Med Chem Lett. 2011 Sep 15;21(18):5460-4. doi: 10.1016/j.bmcl.2011.06.123. Epub 2011 Jul 2.

DOI:10.1016/j.bmcl.2011.06.123
PMID:21782429
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3235552/
Abstract

A fragment library was screened against the G protein-coupled histamine H(4) receptor (H(4)R) and the ligand-gated ion channel serotonin 5-HT(3A) (5-HT(3A)R). Interestingly, significant overlap was found between H(4)R and 5-HT(3A)R hit sets. The data indicates that dual active H(4)R and 5 HT(3A)R fragments have a higher complexity than the selective compounds which has important implications for chemical genomics approaches. The results of our fragment-based library screening study illustrate similarities in ligand recognition between H(4)R and 5-HT(3A)R and have important consequences for selectivity profiling in ongoing drug discovery efforts on H(4)R and 5-HT(3A)R. The affinity profiles of our fragment screening studies furthermore match the chemical properties of the H(4)R and 5-HT(3A)R binding sites and can be used to define molecular interaction fingerprints to guide the in silico prediction of protein-ligand interactions and structure.

摘要

片段文库针对 G 蛋白偶联组胺 H(4)受体(H(4)R)和配体门控离子通道 5-羟色胺 5-HT(3A)(5-HT(3A)R)进行了筛选。有趣的是,在 H(4)R 和 5-HT(3A)R 命中集之间发现了显著的重叠。数据表明,双活性 H(4)R 和 5-HT(3A)R 片段比选择性化合物具有更高的复杂性,这对化学基因组学方法具有重要意义。我们基于片段的文库筛选研究的结果说明了 H(4)R 和 5-HT(3A)R 之间配体识别的相似性,并对正在进行的 H(4)R 和 5-HT(3A)R 药物发现工作中的选择性分析产生了重要影响。我们的片段筛选研究的亲和力谱还与 H(4)R 和 5-HT(3A)R 结合位点的化学性质相匹配,并可用于定义分子相互作用指纹,以指导蛋白质 - 配体相互作用和结构的计算预测。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/b15cffdbae55/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/3971e33afb17/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/4fc021be14a4/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/58ec1d0f5de9/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/92811a396833/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/e519c1c76cf6/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/b15cffdbae55/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/3971e33afb17/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/4fc021be14a4/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/58ec1d0f5de9/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/92811a396833/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/e519c1c76cf6/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a0d2/3235552/b15cffdbae55/gr5.jpg

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