SMTL ID : 1fft.2 (1 other biounit)

The structure of ubiquinol oxidase from Escherichia coli

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.50 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x CU: COPPER (II) ION(Non-covalent)

CU.1: 3 residues within 4Å: Chain A: H.284, H.333, H.334 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.284, A:H.333, A:H.334

1 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.2: 20 residues within 4Å: Chain A: F.73, R.80, Y.99, F.103, T.104, H.106, G.107, M.110, I.111, G.169, W.170, I.417, F.420, H.421, I.424, I.425, V.429, F.468, R.481, R.482 27 PLIP interactions: 27 interactions with chain A, Hydrophobic interactions: A:F.73, A:F.103, A:F.103, A:F.103, A:M.110, A:I.111, A:I.111, A:I.417, A:I.424, A:I.425, A:V.429, A:F.468, A:F.468 Hydrogen bonds: A:Q.83, A:W.170, A:R.482 Salt bridges: A:R.481, A:R.482 pi-Stacking: A:H.106, A:H.106, A:F.420, A:H.421, A:H.421, A:F.468 pi-Cation interactions: A:H.106 Metal complexes: A:H.106, A:H.421

1 x HEO: HEME O(Non-covalent)

HEO.3: 30 residues within 4Å: Chain A: W.170, W.280, V.287, I.291, H.333, H.334, T.352, A.356, T.359, G.360, G.395, M.396, G.398, V.399, L.401, D.407, H.411, N.412, L.416, H.419, F.420, V.423, I.424, R.481 Chain B: I.53, I.56, L.60, P.96, I.99, I.100 28 PLIP interactions: 22 interactions with chain A, 6 interactions with chain B, Hydrophobic interactions: A:W.280, A:V.287, A:I.291, A:H.333, A:T.352, A:T.359, A:V.399, A:V.399, A:L.401, A:L.401, A:L.416, A:F.420, A:V.423, A:V.423, A:I.424, B:I.53, B:I.56, B:L.60, B:I.99, B:I.99, B:I.100 Hydrogen bonds: A:D.407, A:N.412, A:N.412 Salt bridges: A:H.411, A:R.481 pi-Cation interactions: A:H.333 Metal complexes: A:H.419

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Abramson, J. et al., The structure of the ubiquinol oxidase from Escherichia coli and its ubiquinone binding site. Nat.Struct.Biol. (2000)

Release Date

2000-10-18

Peptides

UBIQUINOL OXIDASE: A
UBIQUINOL OXIDASE: B
UBIQUINOL OXIDASE: C
UBIQUINOL OXIDASE: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
F

B
G

C
H

D
I

Membrane

We predict this structure to be a membrane protein.
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UBIQUINOL OXIDASE

UBIQUINOL OXIDASE

UBIQUINOL OXIDASE

UBIQUINOL OXIDASE

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