| 1NQE | A:18-126 | OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI |
| 1NQF | A:18-126 | OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, METHIONINE SUBSTIUTION CONSTRUCT FOR SE-MET SAD PHASING |
| 1NQG | A:18-126 | OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, WITH BOUND CALCIUM |
| 1NQH | A:18-126 | OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, WITH BOUND CALCIUM AND CYANOCOBALAMIN (VITAMIN B12) SUBSTRATE |
| 1UJW | A:18-126 | STRUCTURE OF THE COMPLEX BETWEEN BTUB AND COLICIN E3 RECEPTOR BINDING DOMAIN |
| 2YSU | A:18-126 | STRUCTURE OF THE COMPLEX BETWEEN BTUB AND COLICIN E2 RECEPTOR BINDING DOMAIN |
| 3M8B | A:18-126 | CRYSTAL STRUCTURE OF SPIN-LABELED BTUB V10R1 IN THE APO STATE |
| 3M8D | A:18-126 | CRYSTAL STRUCTURE OF SPIN-LABELED BTUB V10R1 WITH BOUND CALCIUM AND CYANOCOBALAMIN |
| 1KMP | A:96-211 | CRYSTAL STRUCTURE OF THE OUTER MEMBRANE TRANSPORTER FECA COMPLEXED WITH FERRIC CITRATE |
| 1PNZ | A:96-211 | CRYSTAL STRUCTURE OF FERRIC CITRATE TRANSPORTER FECA IN THE UNLIGANDED FORM |
| 1PO0 | A:96-211 | CRYSTAL STRUCTURE OF FERRIC CITRATE TRANSPORTER FECA IN COMPLEX WITH IRON-FREE CITRATE |
| 1PO3 | B:97-211; B:97-211 | CRYSTAL STRUCTURE OF FERRIC CITRATE TRANSPORTER FECA IN COMPLEX WITH FERRIC CITRATE |
| 1QFF | A:42-148 | E. COLI FERRIC HYDROXAMATE UPTAKE RECEPTOR (FHUA) IN COMPLEX WITH BOUND FERRICHROME-IRON |
| 1QFG | A:42-148 | E. COLI FERRIC HYDROXAMATE RECEPTOR (FHUA) |
| 1QJQ | A:42-148 | FERRIC HYDROXAMATE RECEPTOR FROM ESCHERICHIA COLI (FHUA) |
| 1QKC | A:42-148 | ESCHERICHIA COLI FERRIC HYDROXAMATE UPTAKE RECEPTOR (FHUA) IN COMPLEX DELTA TWO-ALBOMYCIN |
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