1EFD:
reference: The structure of the ferric siderophore binding protein FhuD complexed with gallichrome., Clarke TE, Ku SY, Dougan DR, Vogel HJ, Tari LW, Nat Struct Biol 2000 Apr;7(4):287-91. PMID: 10742172

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).