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Fbxl7, a subunit of the SCF (Skp-Cul1-F-box protein) complex induces mitotic arrest in cells; however, molecular factors that control its cellular abundance remain largely unknown. Here, we identified that an orphan F-box protein, Fbxl18, targets Fbxl7 for its polyubiquitylation and proteasomal degradation. Lys 109 within Fbxl7 is an essential acceptor site(More)
The pC5 promoter, a region of the choline monooxygenase (CMO) promoter, contains an AtMYB2 transcription factor recognition sequence, TAACCA, and we have examined the interaction between AtMYB2 and the pC5 promoter. The AtMYB2 gene was cloned from Arabidopsis, expressed in Escherichia coli and transferred into pC5-GUS transgenic tobacco plants. Using an(More)
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