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The structure and function drug pumps: an update

机译:药物泵的结构和功能:更新

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Our understanding of the exact mechanisms used by the transmembrane protein pumps that confer cellular resistance to cytotoxic drugs has improved enormously with the recent determination of the structures of three Escherichia coli transporters, two belonging to the ATP-binding cassette (ABC) superfamily and one to the resistance-nodulation-cell division (RND) family. Although these studies do not provide an insight into how drug pumps can recognize several structurally unrelated drugs, important advances have been also made in this area. Information on the molecular basis of multidrug recognition has been provided by determining the structure of transcriptional regulators that can bind, often structurally unrelated, cytotoxic drugs and control the expression of drug pumps.
机译:随着最近确定了三种大肠杆菌转运蛋白的结构,我们对跨膜蛋白泵赋予细胞对细胞毒性药物耐药性的确切机制的理解有了极大的改善,其中两种属于ATP结合盒(ABC)超家族,另一种属于电阻结节性细胞分裂(RND)系列。尽管这些研究没有提供关于吸毒泵如何识别几种与结构无关的药物的见解,但在该领域也取得了重要进展。通过确定可以结合(通常在结构上不相关的)细胞毒性药物并控制药泵表达的转录调节剂的结构,提供了有关多药识别的分子基础的信息。

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