1FEP:
reference: 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 Jan;6(1):56-63. PMID: 9886293

This OCA Structure page
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