生物催化转化天然化合物伯加莫丁成新的生物活性环氧衍生物,使用工程化细胞染色体P450 BM3转化
Mariusz Brzoski1, Alessandro Barge2, Elena Gazzano1
1Department of Life Sciences and Systems Biology, University of Torino, Italy.
Bioorganic chemistry
|July 20, 2025
概括
设计的细胞P450酶有效地将贝加莫丁转化为新型生物活性环氧衍生物. 这种生物催化方法为药物发现和自然产品的修改提供了一种可持续的方法.
科学领域:
- 生物催化和酶工程 生物催化和酶工程
- 自然产品的修改是自然产品的修改.
- 药物发现 药物发现
背景情况:
- 细胞染色体P450酶提供了天然产品的可持续生物转化.
- 经典化学合成在自然产品的修饰方面存在局限性.
- 开发高效的生物催化路径对于可持续化学至关重要.
研究的目的:
- 为了识别细胞染色体P450酶的天然产品基质.
- 为了改造P450 BM3细胞染色体,提高伯加莫丁的生物转化.
- 为了探索贝加莫丁环氧衍生物的生物活性.
主要方法:
- 基于烯氧化进行基质选的色度测试.
- 使用工程化细胞染色体P450 BM3 (D251G/Q307H突变物) 来酶性氧化贝尔加莫丁.
- 使用液体染色学质谱法 (LC-MS) 隔离和识别环氧衍生物.
- 生物测试以评估改性化合物的生物活性.
主要成果:
- 伯加莫丁被确定为细胞染色体P450 BM3的新型基质.
- 工程酶在一小时内实现了87%的转化,超过了野生类型.
- 在工程酶的使用中,总营业额增加了3倍.
- 合成了三种伯加莫丁环氧衍生物:2',3'-epoxybergamottin,6',7'-epoxybergamottin,以及2',3'-6',7'-diepoxybergamottin. 这三种基因组分别分别是2',3'-epoxybergamottin,6',7'-epoxybergamottin和2',3'-6',7'-diepoxybergamottin.
- 这标志着第一次报告细菌P450催化柏格莫丁的环氧化.
- 2',3'-6',7'-diepoxybergamottin显示了新的抗菌性质.
- 2',3'-epoxybergamottin在纤维细胞活力上表现出有益的影响.
结论:
- 改造的P450酶是产生新生物活性分子的强大工具.
- 生物催化剂为自然产品的修饰和药物发现提供了一个可持续的替代方案.
- 伯加莫丁的环氧化产生具有独特和潜在有价值的生物活性的衍生物.
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