Structural evidence for iron-free citrate and ferric citrate binding to the TonB-dependent outer membrane transporter FecA
Yue, W.W., Grizot, S., Buchanan, S.K.(2003) J Mol Biol 332: 353-368
- PubMed: 12948487 
- DOI: 10.1016/s0022-2836(03)00855-6
- Primary Citation of Related Structures:  
1PO3, 1PO0, 1PNZ - PubMed Abstract: 
Escherichia coli possesses a TonB-dependent transport system, which exploits the iron-binding capacity of citrate and its natural abundance. Here, we describe three structures of the outer membrane ferric citrate transporter FecA: unliganded and comp ...