SMTL ID : 1nqe.1

OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 1 residues within 4Å: Chain A: H.449 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:H.449

7 x C8E: (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE(Non-functional Binders)

C8E.2: 7 residues within 4Å: Chain A: I.340, A.357, R.358, S.359, R.367, G.369, T.370 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:I.340, A:A.357 Water bridges: A:G.369 C8E.3: 5 residues within 4Å: Chain A: F.379, I.380, Y.383, F.422, W.431 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:F.379, A:I.380, A:Y.383, A:Y.383, A:F.422, A:W.431 C8E.4: 5 residues within 4Å: Chain A: W.431, I.433, T.467, Y.481 Ligands: C8E.6 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.431, A:I.433 C8E.5: 13 residues within 4Å: Chain A: I.311, L.342, T.343, G.344, L.345, F.353, G.355, A.356, W.371, Q.372, T.373 Ligands: C8E.7, C8E.8 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:I.311, A:L.342 C8E.6: 10 residues within 4Å: Chain A: G.420, I.433, S.434, G.435, Y.436, R.437, K.462, G.463, V.464 Ligands: C8E.4 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:I.433, A:V.464 Hydrogen bonds: A:G.463 C8E.7: 4 residues within 4Å: Chain A: S.310, Q.346 Ligands: C8E.5, C8E.8 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.346 C8E.8: 4 residues within 4Å: Chain A: A.357, W.371 Ligands: C8E.5, C8E.7 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:A.357, A:W.371

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chimento, D.P. et al., Substrate-induced transmembrane signaling in the cobalamin transporter BtuB. Nat.Struct.Biol. (2003)

Release Date

2003-04-29

Peptides

Vitamin B12 receptor: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Membrane

We predict this structure to be a membrane protein.
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Vitamin B12 receptor

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