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siderophore-iron reductase FhuF Members of this protein family, including FhuF of E. coli, are siderophore ferric iron reductases that appear to play a role in iron removal from certain hydroxamate-type siderophores, including coprogen, ferrichrome, ferrioxamine B, and aerobactin. Genes occur in regularly in siderophore transport and/or biosynthesis clusters. The C-terminus includes four Cys residues in a C-C-10(X)-C-X-X-C motif that binds a 2Fe-2S cluster. Family TIGR03950 is similar, but especially in the C-terminal region, but likely acts on a different panel of siderophores. [Energy metabolism, Electron transport, Transport and binding proteins, Cations and iron carrying compounds] |
Jiyao W et al.(2023). "The conserved domain database in 2023.",