Allosteric interference in oncogenic FLI1 and ERG transactions by mithramycins.

Allosteric interference in oncogenic FLI1 and ERG transactions by mithramycins.
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DOI:
10.1016/j.str.2020.11.012
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发表时间:
2021-05-06
期刊:
Structure (London, England : 1993)
影响因子:
--
通讯作者:
Tsodikov OV
Tsodikov OV
中科院分区:
其他
文献类型:
--
作者:
Hou C;Mandal A;Rohr J;Tsodikov OV

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ETS家族的ERG和FLI 1转录因子通过结合调控DNA位点并干扰其他因子的功能,在前列腺癌和尤文肉瘤的发生中起关键作用。光辉霉素(MTM)是一种抗癌、DNA结合天然产物,通过未知机制作为ERG和FLI 1的强效拮抗剂发挥作用。我们展示了ERG/FLI 1的DNA结合结构域(DBD)的一系列晶体结构,最终形成了ERG/FLI 1 DBD、转录因子Runx 2、核心结合因子β(Cbfβ)和MTM在DNA增强子位点上的高级复合物的结构,沿着了使用MTM及其类似物进行的支持DNA结合研究。总之,这些数据提供了深入了解ERG和FLI 1交易及其MTM类似物破坏的变构机制。
ETS family transcription factors of ERG and FLI1 play a key role in oncogenesis of prostate cancer and Ewing sarcoma by binding regulatory DNA sites and interfering with function of other factors. Mithramycin (MTM) is an anti-cancer, DNA binding natural product that functions as a potent antagonist of ERG and FLI1 by an unknown mechanism. We present a series of crystal structures of the DNA binding domain (DBD) of ERG/FLI1 culminating in a structure of a high-order complex of the ERG/FLI1 DBD, transcription factor Runx2, core binding factor beta (Cbfβ) and MTM on a DNA enhancer site, along with supporting DNA binding studies using MTM and its analogues. Taken together, these data provide insight into allosteric mechanisms underlying ERG and FLI1 transactions and their disruption by MTM analogues.
DOI: 10.1111/j.1432-1033.1991.tb16020.x
发表时间: 1991-06-01
期刊: EUROPEAN JOURNAL OF BIOCHEMISTRY
影响因子: --
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