| 1EFD | N:123-293; N:32-122 | PERIPLASMIC FERRIC SIDEROPHORE BINDING PROTEIN FHUD COMPLEXED WITH GALLICHROME |
| 1ESZ | A:123-292; A:33-122 | STRUCTURE OF THE PERIPLASMIC FERRIC SIDEROPHORE BINDING PROTEIN FHUD COMPLEXED WITH COPROGEN |
| 1K7S | N:123-293; N:32-122 | FHUD COMPLEXED WITH ALBOMYCIN-DELTA 2 |
| 1N4A | A:119-244; B:5119-5244; A:1-118; B:5001-5118 | THE LIGAND BOUND STRUCTURE OF E.COLI BTUF, THE PERIPLASMIC BINDING PROTEIN FOR VITAMIN B12 |
| 1N4D | A:119-244; B:1119-1244; A:1-118; B:1001-1118 | THE LIGAND-FREE STRUCTURE OF E COLI BTUF, THE PERIPLASMIC BINDING PROTEIN FOR VITAMIN B12 |
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