全球批准的药物的重新利用,以潜在地抑制人类碳酸无水酶I:一项计算研究
Nannan Zheng1, Wanyun Jiang1, Puyu Zhang1
1Department of Biological Science and Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
International journal of molecular sciences
|August 26, 2023
概括
三种化合物,包括环亚胺,对人类碳酸无水酶 (hCA) 具有强烈的结合亲和力,表明它们作为治疗疾病的有效hCA抑制剂的潜力.
科学领域:
- 生物化学 生物化学
- 酶学 是一种酶学.
- 药用化学 医学化学
背景情况:
- 人类碳酸 (hCA) 催化二氧化碳的化,使其成为治疗各种疾病的关键标.
- 现有的hCA抑制剂和已批准的药物被选为新的治疗候选者.
研究的目的:
- 使用计算方法识别和评估人类碳酸无水酶 (hCA) 的强效抑制剂.
- 研究hCA中的金属结合点的结合相互作用和稳定性.
主要方法:
- 用分子对接和分子动力学 (MD) 模拟来选和分析抑制剂候选者.
- 使用MM-PBSA分析预测结合 afinities 和确定关键结合残留物.
- 在MD模拟过程中评估了Zn2+离子模型对金属结合点稳定性的影响.
主要成果:
- 三种化合物 - - 甲基4--2-------5-硫酸 (84Z),环亚胺和2,3,5,6-四-4--1--硫胺 (3UG) - - 对hCA I表现出强烈的结合亲和力 (-18~-14 kcal/mol).
- 硫胺部分与Zn2+离子的相互作用被确定为hCA I抑制的关键.
- 选择的化合物显示出对多个hCA异型 (I,II,XIII和XIV) 的强烈抑制.
结论:
- 已识别的化合物,特别是环亚胺,显示出作为hCA抑制剂的显著潜力.
- 这项研究为新型hCA向治疗的分子建模和设计提供了宝贵的见解.
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