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Preparation of transcription factor FOXK2 - DNA binding domain
Kobrle, Lukáš ; Kukačka, Zdeněk (advisor) ; Bělonožníková, Kateřina (referee)
Transcription factors are specific proteins, which are able to regulate transcription and which are divided into individual families based on structural motifs. One of these families is the FOX family, which also includes the transcription factor FOXK2, which was the studying subject of this work. The FOXK2 protein regulates many cellular processes, including cell proliferation and metabolism and plays an important role in carcinogenesis, as its high expression has been reported in cases of lung, liver and kidney cancer. In this work, the DNA binding domain of the transcription factor FOXK2 was prepared by recombinant expression of Escherichia coli cells. The obtained protein was afterwards purified and its interaction with DNA was studied by native mass spectrometry.

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