SMTL ID : 1n2z.2 (3 other biounits)

2.0 Angstrom structure of BtuF, the vitamin B12 binding protein of E. coli

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

9 x CD: CADMIUM ION(Non-covalent)(Non-functional Binders)

CD.1: 4 residues within 4Å: Chain A: T.194, E.224 Ligands: CD.3, CL.10 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.224, A:E.224, H2O.1, H2O.1, H2O.3 CD.2: 4 residues within 4Å: Chain A: D.31, D.221, R.225 Ligands: CL.11 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.31, A:D.31, A:D.221, A:D.221, H2O.1 CD.3: 2 residues within 4Å: Chain A: T.194 Ligands: CD.1 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:T.194, A:T.194, H2O.1, H2O.2, H2O.3 CD.4: 1 residues within 4Å: Chain A: E.152 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.152, A:E.152, H2O.4, H2O.7 CD.5: 2 residues within 4Å: Chain A: Q.128, Q.235 No protein-ligand interaction detected (PLIP) CD.6: 1 residues within 4Å: Ligands: CD.8 No protein-ligand interaction detected (PLIP) CD.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) CD.8: 3 residues within 4Å: Chain A: D.170, R.186 Ligands: CD.6 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.170 CD.9: 2 residues within 4Å: Chain A: R.65, E.70 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.70, H2O.4

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.10: 3 residues within 4Å: Chain A: E.224 Ligands: CD.1, CNC.12 Ligand excluded by PLIP CL.11: 6 residues within 4Å: Chain A: Y.29, D.31, D.221, R.225 Ligands: CD.2, CNC.12 Ligand excluded by PLIP

1 x CNC: CYANOCOBALAMIN(Non-covalent)

CNC.12: 17 residues within 4Å: Chain A: S.9, P.10, A.11, Y.29, W.45, W.64, G.66, G.67, F.141, F.147, W.175, S.220, D.221, E.224, R.225 Ligands: CL.10, CL.11 24 PLIP interactions: 23 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: A:P.10, A:Y.29, A:Y.29, A:Y.29, A:W.45, A:W.64, A:F.141, A:F.147, A:F.147, A:W.175, A:W.175, A:W.175, A:E.224 Hydrogen bonds: A:A.11, A:W.45, A:D.221, A:R.225 Water bridges: A:S.9, A:S.9, A:Y.29, A:W.45, A:S.220, A:A.226 Metal complexes: CNC.12

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Borths, E.L. et al., The structure of Escherichia coli BtuF and binding to its cognate ATP binding cassette transporter. Proc.Natl.Acad.Sci.USA (2002)

Release Date

2002-12-18

Peptides

Vitamin B12 transport protein btuF: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Vitamin B12 transport protein btuF

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