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Báo cáo khoa học: Characterization of HbpR binding by site-directed mutagenesis of its DNA-binding site and by deletion of the effector domain

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:0

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In the presence of 2-hydroxybiphenyl, the enhancer binding protein, HbpR, activates ther54-dependent PhbpC promoter and controls the initial steps of 2-hydroxybiphenyl degradation inPseudomonas azelaica. In the activa-tion process, an oligomeric HbpR complex of unknown subunit composi-tion binds to an operator region containing two imperfect palindromic sequences. Here, the HbpR–DNA binding interactions were investigated by site-directed mutagenesis of the operator region and by DNA-binding assays using purified HbpR. ...

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Nội dung Text: Báo cáo khoa học: Characterization of HbpR binding by site-directed mutagenesis of its DNA-binding site and by deletion of the effector domain

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