SMTL ID : 1kf6.2 (2 other biounits)

E. coli Quinol-Fumarate Reductase with Bound Inhibitor HQNO

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x K: POTASSIUM ION(Non-covalent)

K.1: 5 residues within 4Å: Chain A: T.358, M.359, G.360, E.380, S.382 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:T.358, A:M.359, A:G.360, A:E.380

1 x OAA: OXALOACETATE ION(Non-covalent)

OAA.2: 12 residues within 4Å: Chain A: G.51, F.117, H.233, L.243, T.245, E.246, R.288, H.356, R.391, G.393, S.394 Ligands: FAD.3 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:F.117 Hydrogen bonds: A:E.246, A:R.288, A:R.288, A:S.394 Salt bridges: A:H.233, A:H.356, A:R.391

1 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Non-covalent)

FAD.3: 37 residues within 4Å: Chain A: G.12, A.13, G.14, G.15, A.16, S.37, K.38, V.39, S.44, H.45, T.46, A.48, A.49, E.50, G.51, G.52, H.156, F.157, V.158, A.192, T.193, G.194, T.204, N.205, D.212, L.243, H.356, Y.357, G.379, E.380, R.391, S.394, N.395, S.396, L.397, L.400 Ligands: OAA.2 26 PLIP interactions: 26 interactions with chain A Hydrophobic interactions: A:L.243 Hydrogen bonds: A:A.13, A:G.15, A:A.16, A:S.37, A:K.38, A:K.38, A:V.39, A:S.44, A:H.45, A:T.46, A:T.46, A:E.50, A:G.51, A:G.52, A:G.52, A:V.158, A:V.158, A:G.194, A:E.380, A:R.391, A:R.391, A:S.396, A:S.396, A:L.397 pi-Cation interactions: A:H.356

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.4: 6 residues within 4Å: Chain A: W.449, R.453 Chain B: G.41, D.45, Y.53, W.55 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:D.45, B:Y.53 Salt bridges: A:R.453

1 x FES: FE2/S2 (INORGANIC) CLUSTER(Non-covalent)

FES.5: 10 residues within 4Å: Chain B: S.56, C.57, R.58, A.60, I.61, C.62, G.63, S.64, C.65, C.77 4 PLIP interactions: 4 interactions with chain B, Metal complexes: B:C.57, B:C.62, B:C.65, B:C.77

1 x F3S: FE3-S4 CLUSTER(Non-covalent)

F3S.6: 12 residues within 4Å: Chain B: C.158, Q.160, P.170, C.204, T.205, F.206, V.207, G.208, Y.209, C.210, A.221, I.224 3 PLIP interactions: 3 interactions with chain B, Metal complexes: B:C.158, B:C.204, B:C.210

1 x SF4: IRON/SULFUR CLUSTER(Non-covalent)

SF4.7: 9 residues within 4Å: Chain B: C.148, I.149, N.150, C.151, G.152, C.154, A.171, C.214, V.218 6 PLIP interactions: 4 interactions with chain B, 2 Ligand-Ligand interactions Metal complexes: B:C.148, B:C.151, B:C.154, B:C.214, SF4.7, SF4.7

1 x HQO: 2-HEPTYL-4-HYDROXY QUINOLINE N-OXIDE(Non-covalent)

HQO.8: 13 residues within 4Å: Chain B: C.204, T.205, F.206, Q.225, K.228 Chain C: R.28, E.29, W.86 Chain D: W.15, F.18, H.81, R.82, H.85 9 PLIP interactions: 2 interactions with chain D, 6 interactions with chain B, 1 interactions with chain C Hydrogen bonds: D:R.82, B:T.205, B:Q.225, B:K.228 pi-Stacking: D:H.85 Hydrophobic interactions: B:T.205, B:F.206, B:F.206, C:W.86

5 x CE1: O-DODECANYL OCTAETHYLENE GLYCOL(Non-covalent)

CE1.9: 5 residues within 4Å: Chain C: R.23, L.73, I.74, A.77 Ligands: CE1.11 No protein-ligand interaction detected (PLIP) CE1.10: 5 residues within 4Å: Chain C: L.124, L.128, Y.129 Chain D: F.45, P.46 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:Y.129 CE1.11: 7 residues within 4Å: Chain C: R.23, F.24, L.27, G.30, A.77, A.78 Ligands: CE1.9 4 PLIP interactions: 4 interactions with chain C Hydrophobic interactions: C:L.27, C:A.77, C:A.78 Hydrogen bonds: C:R.23 CE1.12: 7 residues within 4Å: Chain D: D.10, F.14, K.98, W.99, Y.102, G.103 Ligands: CE1.13 5 PLIP interactions: 5 interactions with chain D Hydrophobic interactions: D:F.14, D:K.98, D:W.99, D:Y.102 Hydrogen bonds: D:K.98 CE1.13: 4 residues within 4Å: Chain D: D.10, F.14, W.77 Ligands: CE1.12 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Iverson, T.M. et al., Crystallographic studies of the Escherichia coli quinol-fumarate reductase with inhibitors bound to the quinol-binding site. J.Biol.Chem. (2002)

Release Date

2002-03-13

Peptides

FUMARATE REDUCTASE FLAVOPROTEIN: A
FUMARATE REDUCTASE IRON-SULFUR PROTEIN: B
FUMARATE REDUCTASE 15 KDA HYDROPHOBIC PROTEIN: C
FUMARATE REDUCTASE 13 KDA HYDROPHOBIC PROTEIN: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
M

B
N

C
O

D
P

Membrane

We predict this structure to be a membrane protein.
Show / Hide

FUMARATE REDUCTASE FLAVOPROTEIN

FUMARATE REDUCTASE IRON-SULFUR PROTEIN

FUMARATE REDUCTASE 15 KDA HYDROPHOBIC PROTEIN

FUMARATE REDUCTASE 13 KDA HYDROPHOBIC PROTEIN

Related Entries With Identical Sequence