SMTL ID : 1nqg.1

OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, WITH BOUND CALCIUM

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.31 Å

Oligo State

monomer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 6 residues within 4Å: Chain A: D.179, Q.191, D.193, D.195, D.230 Ligands: CA.2 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.179, A:D.193, A:D.195, A:D.195, A:D.230 CA.2: 6 residues within 4Å: Chain A: Q.191, D.193, D.195, Y.229, D.230 Ligands: CA.1 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.193, A:D.193, A:Y.229, A:D.230 CA.3: 2 residues within 4Å: Chain A: E.378, E.381 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.378, A:E.378 CA.4: 1 residues within 4Å: Chain A: D.447 No protein-ligand interaction detected (PLIP)

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

C8E.5: 10 residues within 4Å: Chain A: I.340, L.342, A.357, R.358, S.359, R.367, G.369, T.370, W.371 Ligands: C8E.10 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.342 Hydrogen bonds: A:R.367 C8E.6: 3 residues within 4Å: Chain A: Y.383, F.422, W.431 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:Y.383, A:Y.383, A:F.422, A:W.431 C8E.7: 8 residues within 4Å: Chain A: W.431, I.433, A.466, T.467, A.468, V.479, Y.481 Ligands: C8E.9 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.431, A:I.433 C8E.8: 13 residues within 4Å: Chain A: I.311, L.342, G.344, L.345, Q.346, F.353, E.354, G.355, A.356, W.371, Q.372, T.373 Ligands: C8E.10 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:I.311, A:L.342 Hydrogen bonds: A:G.344, A:Q.346 C8E.9: 7 residues within 4Å: Chain A: G.435, Y.436, K.462, G.463, V.464, Y.483 Ligands: C8E.7 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:V.464 C8E.10: 4 residues within 4Å: Chain A: A.357, W.371 Ligands: C8E.5, C8E.8 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:A.357, A:W.371, 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.
Show / Hide

vitamin b12 receptor

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