1N2Z | A:; B: | 2.0 ANGSTROM STRUCTURE OF BTUF, THE VITAMIN B12 BINDING PROTEIN OF E. COLI |
1N4A | A:; B: | THE LIGAND BOUND STRUCTURE OF E.COLI BTUF, THE PERIPLASMIC BINDING PROTEIN FOR VITAMIN B12 |
1N4D | A:; B: | THE LIGAND-FREE STRUCTURE OF E COLI BTUF, THE PERIPLASMIC BINDING PROTEIN FOR VITAMIN B12 |
2QI9 | F: | ABC-TRANSPORTER BTUCD IN COMPLEX WITH ITS PERIPLASMIC BINDING PROTEIN BTUF |