SMTL ID : 3rgn.1

Crystal structure of spin-labeled BtuB W371R1

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

monomer

Ligands

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

C8E.1: 7 residues within 4Å: Chain A: A.357, R.358, S.359, R.367, G.369, T.370 Ligands: C8E.7 2 PLIP interactions: 2 interactions with chain A Water bridges: A:R.367, A:G.369 C8E.2: 4 residues within 4Å: Chain A: F.379, Y.383, F.422, W.431 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.379, A:Y.383, A:F.422, A:F.422, A:W.431 C8E.3: 7 residues within 4Å: Chain A: W.431, I.433, A.466, T.467, A.468, Y.481 Ligands: C8E.5 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.431, A:I.433 C8E.4: 11 residues within 4Å: Chain A: I.311, L.342, G.344, Q.346, F.353, E.354, G.355, A.356, Q.372, T.373 Ligands: C8E.6 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:I.311, A:L.342 Hydrogen bonds: A:T.373 C8E.5: 10 residues within 4Å: Chain A: G.420, F.422, I.433, S.434, G.435, Y.436, K.462, G.463, V.464 Ligands: C8E.3 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.422, A:I.433, A:I.433 C8E.6: 2 residues within 4Å: Chain A: Q.346 Ligands: C8E.4 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.346 C8E.7: 3 residues within 4Å: Chain A: A.357 Ligands: C8E.1, MTN.11 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:A.357

3 x MG: MAGNESIUM ION(Non-covalent)

MG.8: 2 residues within 4Å: Chain A: H.174, H.176 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:H.174, A:H.176 MG.9: 5 residues within 4Å: Chain A: Y.256, G.258, E.259, L.260, I.261 No protein-ligand interaction detected (PLIP) MG.10: 1 residues within 4Å: Chain A: D.411 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.411

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

MTN.11: 5 residues within 4Å: Chain A: C.371, Q.372, T.373, Y.389 Ligands: C8E.7 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:Y.389 pi-Stacking: A:Y.389

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