阿斯巴拉古斯酸,阿斯巴拉普丁和相关的滴醇衍生物与 ангиотензин转化酶-2 (ACE-2) 的相互作用:一个分子对接研究
相关实验视频
Updated: May 20, 2025

07:31
Nitropeptide Profiling and Identification Illustrated by Angiotensin II
Published on: June 16, 2019
5.6K
Gérard Vergoten1, Christian Bailly2,3
1Univ. Lille, Inserm, U1286 - INFINITE - Lille Inflammation Research International Center, ICPAL, Lille, France.
Journal of biochemical and molecular toxicology
|March 24, 2025
概括
研究了的化合物阿斯巴拉普丁与血管素转化酶2 (ACE2) 的结合. 阿斯巴拉丁B显示强大的结合,并确定了新的ACE2结合剂,如CMX-2043,这表明了新的药物设计可能性.
科学领域:
- 生物化学 生化学
- 药理学 药理学是指药理学的学科.
- 计算化学的计算化学
背景情况:
- (Asparagus Officinalis L.) 含有含硫的小分子,包括来自酸的阿斯巴拉普丁.
- 阿斯巴拉丁A此前已被确定为血管酶转化酶 (ACE) 的抑制剂.
- ангиотензин转化酶2 (ACE2) 在氨酸- ангиотензин系统中起着至关重要的作用,是各种治疗干预的目标.
研究的目的:
- 用分子建模来比较阿斯巴拉普丁A,B和C与ACE2的结合亲和力.
- 识别新的ACE2结合剂,特别是那些含有醇或滴醇基因的结合剂.
- 探索这些化合物作为针对ACE2.2的治疗剂的潜力.
主要方法:
- 用分子建模和对接模拟来预测阿斯巴拉普丁与ACE2的结合相互作用.
- 评估了ACE2-阿斯巴拉丁复合物的结合稳定性,并与已知的ACE2抑制剂MLN-4760.0进行了比较.
- 另外20种含硫化合物使用相同的对接方法评估了它们的ACE2结合潜力.
主要成果:
- 阿斯巴拉丁B是一种氨酸合物,与阿斯巴拉丁A (氨酸合物) 和阿斯巴拉丁C (氨酸合物) 相比,它对ACE2的结合性更强.
- ACE2-阿斯巴拉丁B复合物的稳定性与参考抑制剂MLN-4760.0的稳定性相当.
- 发现了三种新的ACE2结合剂:异丁,N-乙-氨酸和CMX-2043. CMX-2043的结合稳定性优于ACE2,超过MLN-4760的结合稳定性,其l-Glu-l-Ala二和α-脂酸部分参与了相互作用.
结论:
- 阿斯巴拉B是ACE2的强有力的结合剂,这表明了潜在的治疗应用.
- 新的ACE2结合剂,包括天然产品和药物候选物,如CMX-2043,已经通过计算查被确定.
- 这些发现支持开发用于治疗目的的新型ACE2配体,其中包括dithiolane动机.
相关概念视频
Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors
430
Angiotensin-converting enzyme (ACE), a vital component of the renin-angiotensin-aldosterone system, is abundant in lung endothelial cells. ACE converts the inactive decapeptide, angiotensin I, into the active octapeptide, angiotensin II. This potent vasoconstrictor narrows blood vessels, increasing resistance to blood flow and elevating blood pressure. Angiotensin II also stimulates aldosterone production, encouraging kidney cells to reabsorb more sodium and water from urine, thereby increasing...
430
Ligand Binding and Linkage
4.7K
Allosteric proteins have more than one ligand binding site; the binding of a ligand to any of these sites influences the binding of ligands to the other sites. When a protein is allosteric, its binding sites are called coupled or linked. In the case of enzymes, the site that binds to the substrate is known as the active site and the other site is known as the regulatory site. When a ligand binds to the regulatory site, this leads to conformational changes in the protein that can influence...
4.7K
Antihypertensive Drugs: Angiotensin II Receptor Blockers
560
In the renin-angiotensin-aldosterone system, a hormone called angiotensin II plays a crucial role. It binds to the AT1 receptors in vascular smooth muscles coupled with Gq proteins. The activation of these receptors activates an enzyme called phospholipase C, which releases two molecules: inositol trisphosphate and diacylglycerol. These molecules cause a chain reaction that leads to the phosphorylation of myosin light chains and promotes interaction between actin and myosin, leading to smooth...
560
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
354
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
354
Allosteric Proteins-ATCase
5.6K
Binding sites linkages can regulate a protein's function. For example, enzyme activity is often regulated through a feedback mechanism where the end product of the biochemical process serves as an inhibitor.
Aspartate transcarbamoylase (ATCase) is a cytosolic enzyme that catalyzes the condensation of L-aspartate and carbamoyl phosphate to N-carbamoyl-L-aspartate. This reaction is the first step in pyrimidine biosynthesis. UTP and CTP, the end products of the pyrimidine synthesis...
Aspartate transcarbamoylase (ATCase) is a cytosolic enzyme that catalyzes the condensation of L-aspartate and carbamoyl phosphate to N-carbamoyl-L-aspartate. This reaction is the first step in pyrimidine biosynthesis. UTP and CTP, the end products of the pyrimidine synthesis...
5.6K
Antihypertensive Drugs: Direct Renin Inhibitors
466
The renin-angiotensin-aldosterone system (RAAS) is an intricate physiological pathway involving numerous enzymes and hormones, including renin, angiotensin-converting enzyme (ACE), angiotensin I and II, and aldosterone. Imbalances within this system increase the production of angiotensin II and aldosterone. Increased angiotensin II levels promote vasoconstriction and blood pressure elevation. Concurrently, higher aldosterone levels stimulate sodium and water reabsorption in the kidneys,...
466

