SMTL ID : 3rgm.1

Crystal structure of spin-labeled BtuB T156R1

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

monomer

Ligands

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

C8E.1: 9 residues within 4Å: Chain A: I.340, A.357, R.358, S.359, R.367, G.369, T.370, W.371 Ligands: C8E.6 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:I.340, A:A.357 C8E.2: 4 residues within 4Å: Chain A: I.380, Y.383, F.422, W.431 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:I.380, A:Y.383, A:Y.383, A:F.422, A:W.431 Water bridges: A:Y.383 C8E.3: 6 residues within 4Å: Chain A: W.431, I.433, A.466, T.467, Y.481 Ligands: C8E.5 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:W.431, A:W.431, A:I.433 C8E.4: 10 residues within 4Å: Chain A: I.311, G.344, L.345, Q.346, F.353, G.355, A.356, W.371, Q.372, T.373 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:I.311 Hydrogen bonds: A:G.344, A:T.373 C8E.5: 9 residues within 4Å: Chain A: F.422, I.433, G.435, Y.436, R.437, K.462, G.463, V.464 Ligands: C8E.3 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.422, A:V.464 C8E.6: 3 residues within 4Å: Chain A: A.357, W.371 Ligands: C8E.1 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:A.357

9 x MG: MAGNESIUM ION(Non-covalent)(Non-functional Binders)

MG.7: 4 residues within 4Å: Chain A: Y.256, E.259, L.260, I.261 No protein-ligand interaction detected (PLIP) MG.8: 2 residues within 4Å: Chain A: Y.522, T.525 No protein-ligand interaction detected (PLIP) MG.9: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.10: 1 residues within 4Å: Chain A: E.419 No protein-ligand interaction detected (PLIP) MG.11: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.12: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.13: 2 residues within 4Å: Chain A: H.174, H.176 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:H.174 MG.14: 1 residues within 4Å: Chain A: H.449 No protein-ligand interaction detected (PLIP) MG.15: 2 residues within 4Å: Chain A: W.214, S.263 No protein-ligand interaction detected (PLIP)

1 x MTN: S-[(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioate(Non-covalent)

MTN.16: 6 residues within 4Å: Chain A: C.156, Q.157, Q.158, L.160, V.166, L.168 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.160, A:L.168

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Freed, D.M. et al., Molecular Origin of Electron Paramagnetic Resonance Line Shapes on β-Barrel Membrane Proteins: The Local Solvation Environment Modulates Spin-Label Configuration. Biochemistry (2011)

Release Date

2011-10-26

Peptides

Vitamin B12 transporter BtuB: 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 transporter BtuB