分子驼格拉索普雷维尔的形状轨迹从配方到目标结合
Lianne H E Wieske1, Guanhong Bu2, Máté Erdélyi1
1Department of Chemistry for Life Sciences and the Center of Excellence for the Chemical Mechanisms of Life, Uppsala University, Uppsala, Sweden.
像格拉索普雷维尔这样的宏环体具有稳定的核心结构,可以适应不同的环境,有助于口服生物可用性. 这项研究揭示了它们的形状灵活性,这对于开发超出5项规则的治疗方法至关重要.
科学领域:
- 药用化学 医学化学
- 结构生物学 结构生物学
- 药物发现 药物发现 药物发现
背景情况:
- 宏观循环是有希望的超出5 (bRo5) 规则的治疗方法,针对以前无法治疗的蛋白质.
- 它们的灵活性和环境适应性 ("黑性") 是口服生物利用性的关键.
- 了解宏循环结构和动态对于bRo5药物开发至关重要.
研究的目的:
- 为了确定宏循环grazoprevir的固态和溶液状态结构.
- 研究grazoprevir的形状灵活性及其对标结合和细胞透性的影响.
- 为了描述bRo5治疗方法的"黑性".
主要方法:
- 微晶电子衍射 (MicroED) 用于固态结构的确定.
- 核磁共振 (NMR) 光谱仪用于溶液状态结构和动态.
- 在不同环境 (固体,溶液,目标复合物,非极性) 中进行形态分析.
主要成果:
- 在各种状态中,确定了对grazoprevir的一致的低能量核心构造.
- 乙烯基环硫胺侧链显示重新定位,而核心在很大程度上保持 (RMSD高达0.273 Å).
- 在非极性环境中,分子内键促进了紧的构造,可能提高了细胞的透性.
结论:
- 格拉索普雷维尔采用了部分预先组织的状态,促进了目标结合.
- 这项研究提供了一个全面的形状轨迹,提供了对宏观周期"黑性"的见解.
- 这些发现可以为设计和表征类似的bRo5治疗方法提供信息,以改善细胞透性.
更多相关视频
06:03Use of Viral Entry Assays and Molecular Docking Analysis for the Identification of Antiviral Candidates against Coxsackievirus A16
Published on: July 15, 2019
07:10Conformational Evaluation of HIV-1 Trimeric Envelope Glycoproteins Using a Cell-based ELISA Assay
Published on: September 14, 2014
相关概念视频
Protein-Drug Binding: Mechanism and Kinetics
Various forces drive these interactions, including hydrogen bonds, hydrophobic interactions, ionic bonds, electrostatic interactions, and van der Waals forces. These bonds enable drugs to bind to specific sites on proteins,...
Targets for Drug Action: Overview
Receptors are either membrane-spanning or intracellular proteins, which upon binding a ligand, get activated and transmit the signal downstream to elicit a response. Drugs bind receptors, either mimicking the action of endogenous ligands or blocking the receptor activity to bring about a modified response. Nearly 35% of approved drugs target the G...
Nonlinear Pharmacokinetics: Bioavailability and Protein-Drug Binding
To quantify the extent of bioavailability, pharmacologists often use a parameter called .
Drug Absorption Mechanism: Carrier-Mediated Membrane Transport
Facilitated diffusion is a passive process that utilizes human Solute Carrier (SLC) transporters. These transporters bind to the drug, undergo structural...
¹H NMR of Conformationally Flexible Molecules: Temporal Resolution
Biopharmaceutics and Pharmacokinetics: Overview
