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Updated: Sep 24, 2026

Analysis of Yersinia enterocolitica Effector Translocation into Host Cells Using Beta-lactamase Effector Fusions
Published on: October 13, 2015
Ferrioxamine uptake in Yersinia enterocolitica: characterization of the receptor protein FoxA
1Mikrobiologie II, Universität Tübingen, Germany.
Abstract:
The gene for the high-affinity outer membrane ferrioxamine receptor FoxA of Yersinia enterocolitica was cloned in Escherichia coli K-12. A foxA mutant of Yersinia could be complemented by the cloned DNA fragment. The FoxA encoding region was sequenced and an open reading frame encoding 710 amino acids, including a signal sequence of 26 amino acids, was deduced. The mature FoxA protein consisted of 684 amino acids and had a molecular mass of 75,768 Da. FoxA shared 33% amino acid sequence homology with FhuA, the ferrichrome receptor of Escherichia coli. Based on the homologies with FhuA and other TonB-dependent receptors a topological model of FoxA is presented.
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