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Mol Microbiol. 1992 May;6(10):1309-21.

Ferrioxamine uptake in Yersinia enterocolitica: characterization of the receptor protein FoxA.

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1
Mikrobiologie 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.

[Indexed for MEDLINE]

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