The metal permease ZupT from Escherichia coli is a transporter with a broad substrate spectrum.

@article{Grass2005TheMP,
  title={The metal permease ZupT from Escherichia coli is a transporter with a broad substrate spectrum.},
  author={Gregor Grass and Sylvia Franke and Nadine Taudte and Dietrich H Nies and Lisa M Kucharski and Michael E. Maguire and Christopher Rensing},
  journal={Journal of bacteriology},
  year={2005},
  volume={187 5},
  pages={1604-11}
}
The Escherichia coli zupT (formerly ygiE) gene encodes a cytoplasmic membrane protein (ZupT) related to members of the eukaryotic ZIP family of divalent metal ion transporters. Previously, ZupT was shown to be responsible for uptake of zinc. In this study, we show that ZupT is a divalent metal cation transporter of broad substrate specificity. An E. coli strain with a disruption in all known iron uptake systems could grow in the presence of chelators only if zupT was expressed. Heterologous… CONTINUE READING

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