Structural Basis of Gating by the Outer Membrane Transporter FecA
Abstract
Siderophore-mediated acquisition systems facilitate iron uptake. We present the crystallographic structure of the integral outer membrane receptor FecA from Escherichia coli with and without ferric citrate at 2.5 and 2.0 angstrom resolution. FecA is composed of three distinct domains: the barrel, plug, and NH2-terminal extension. Binding of ferric citrate triggers a conformational change of the extracellular loops that close the external pocket...
Paper Details
Title
Structural Basis of Gating by the Outer Membrane Transporter FecA
Published Date
Mar 1, 2002
Journal
Volume
295
Issue
5560
Pages
1715 - 1719
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