DFHO

DFHO;

DFHO 是 Corn 荧光适体的荧光配体。RNA 适体, Corn 结合 DFHO 的 Kd 值为 70 nM,并将其转化为荧光形式,从而使 RNA 在细胞中成像。

DFHOamp;;

DFHO Chemical Structure

CAS No. : 1420815-34-4

规格 是否有货
1 mg 询价

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生物活性

DFHO is a fluorogenic ligand of Corn fluorogenic aptamer. The RNA aptamer, Corn binds DFHO with a Kd value of 70 nM and converts it to a fluorescent form, enabling RNA imaging in cells[1][2].

IC50 Target

Kd: 70 nM (Corn binds DFHO)[1]

体外研究
(In Vitro)

Corn is tested in E. coli. Minimal fluorescence that is seen in DFHO-treated cells (20 μM) transformed with the empty vector. However robust yellow fluorescence is seen in E. coli expressing Corn[1].
Corn-DFHO exhibits markedly enhanced photostability in vitro. The Corn-DFHO complexes are imaged in mammalian cells. Since the U6 promoter is one of the three major Pol III promoters, Corn from the U6 promoter is expressed and replaced the majority of the U6 sequence with Corn, leaving a minimal 5′ capping element leader sequence. The majority of the cells expressed diffuse yellow fluorescence, most prominently in the cytoplasm)[1].
DFHO exhibits low background fluorescence and cytotoxicity, making it a potentially suitable fluorophore for activation by RNA aptamers and for imaging experiments in living cells[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

分子量

281.21

Formula

C12H9F2N3O3

CAS 号

1420815-34-4

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.

参考文献
  • [1]. Wenjiao Song, et al. Imaging RNA polymerase III transcription using a photostable RNA-fluorophore complex. Nat Chem Biol. 2017 Nov;13(11):1187-1194.

    [2]. Hyaeyeong Kim, et al. A Fluorogenic RNA-Based Sensor Activated by Metabolite-Induced RNA Dimerization. Cell Chem Biol. 2019 Dec 19;26(12):1725-1731.e6.