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FecR domain-containing protein
FecR is involved in regulation of iron dicitrate transport. In the absence of citrate FecR inactivates FecI. FecR is probably a sensor that recognises iron dicitrate in the periplasm. [1]. 2254251. Novel two-component transmembrane transcription control:. regulation of iron dicitrate transport in Escherichia coli K-12.. Van Hove B, Staudenmaier H, Braun V;. J Bacteriol 1990;172:6749-6758. (from Pfam)
TonB-dependent receptor domain-containing protein
This model now only covers the conserved part of the barrel structure. [1]. 9886293. Crystal structure of the outer membrane active transporter FepA. from Escherichia coli.. Buchanan SK, Smith BS, Venkatramani L, Xia D, Esser L, Palnitkar. M, Chakraborty R, van der Helm D, Deisenhofer J;. Nat Struct Biol 1999;6:56-63. (from Pfam)
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