8SP7

LINE-1 retrotransposon endonuclease domain complex with tranexamic acid

8SP7 の概要

• エントリーDOI: 10.2210/pdb8sp7/pdb
• 分子名称: LINE-1 retrotransposon endonuclease, TRANS-4-AMINOMETHYLCYCLOHEXANE-1-CARBOXYLIC ACID, SULFATE ION, ... (4 entities in total)
• 機能のキーワード: line-1 retrotransposon, endonuclease, fragment screening, small molecule complex, hydrolase
• 由来する生物種: Homo sapiens (human)
• タンパク質・核酸の鎖数: 1
• 化学式量合計: 27504.68

構造登録者

D'Ordine, A.M.,Jogl, G.,Sedivy, J.M. (登録日: 2023-05-02, 公開日: 2024-05-22)

主引用文献

D'Ordine, A.M.,Jogl, G.,Sedivy, J.M.
Identification and characterization of small molecule inhibitors of the LINE-1 retrotransposon endonuclease.
Nat Commun, 15:3883-3883, 2024

PubMed Abstract: The long interspersed nuclear element-1 (LINE-1 or L1) retrotransposon is the only active autonomously replicating retrotransposon in the human genome. L1 harms the cell by inserting new copies, generating DNA damage, and triggering inflammation. Therefore, L1 inhibition could be used to treat many diseases associated with these processes. Previous research has focused on inhibition of the L1 reverse transcriptase due to the prevalence of well-characterized inhibitors of related viral enzymes. Here we present the L1 endonuclease as another target for reducing L1 activity. We characterize structurally diverse small molecule endonuclease inhibitors using computational, biochemical, and biophysical methods. We also show that these inhibitors reduce L1 retrotransposition, L1-induced DNA damage, and inflammation reinforced by L1 in senescent cells. These inhibitors could be used for further pharmacological development and as tools to better understand the life cycle of this element and its impact on disease processes.

PubMed: 38719805
DOI: 10.1038/s41467-024-48066-x

実験手法

X-RAY DIFFRACTION (1.83 Å)