人类三方基因含蛋白71 NCL-1/HT2A/LIN-41域晶体结构及其潜在的天然抑制剂
Liqing Lin1, Md Kazy Ebnul Hasan1, Xianfu Gu1
1Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China; Ministry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China; Hefei National Research Center for Cross-disciplinary Science, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China.
TRIM71 NHL域结合CDKN1AmRNA,抑制其表达以促进癌细胞的增殖. 研究人员确定了天然化合物,表甲基酸盐和氨3-O-氨酸酸,作为治疗开发的潜在抑制剂.
科学领域:
- 生物化学 生物化学
- 分子生物学分子生物学
- 结构生物学 结构生物学
背景情况:
- TRIM71 NHL域涉及到细胞过程,并在癌症和先天性水头中失调.
- 它的特定途径和与CDKN1A的相互作用仍未得到充分探索,阻碍了治疗点的识别.
研究的目的:
- 阐明TRIM71 NHL域与CDKN1AmRNA相互作用的结构基础.
- 确定TRIM71NHL域的潜在天然抑制剂,用于治疗应用.
主要方法:
- 在昆虫细胞中表达和净化TRIM71 NHL域.
- 结晶结构的确定 (PDB ID: 9JUR).
- 生物物理测试 (光极化,EMSA,SPR) 和分子动力学模拟.
主要成果:
- 成功确定了TRIM71 NHL域的晶体结构.
- 证实了TRIM71NHL域与CDKN1AmRNA的强大和特定的结合 (Kd = 0.42 ± 0.04μM).
- 乙甲基甲酸盐和氨3-O-氨酸胺显示出显著的结合亲缘关系,表明它们可能是抑制剂.
结论:
- 确定的晶体结构为TRIM71 NHL域的结构特征提供了洞察力.
- TRIM71 NHL域与CDKN1AmRNA的相互作用表明它在癌症扩散中的作用.
- 已识别的植物化学物质为开发针对TRIM71.1.的新疗法提供了基础.
相关概念视频
Protein-protein Interfaces
Protein Organization
The primary structure of a protein is its amino acid sequence....
Gene Families
Occasionally these regions can be adapted to take on new roles within the organism, becoming novel genes...
Globular and Fibrous Proteins
Globular proteins are also known as spheroproteins and typically are approximately round in shape. They contain a mix of amino acid types and contain differing sequences in their primary structures. Globular proteins have many different functions, such as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be...


