SMTL ID : 2b76.2 (1 other biounit)

E. coli Quinol fumarate reductase FrdA E49Q mutation

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.30 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x FLC: CITRATE ANION(Non-covalent)

FLC.1: 10 residues within 4Å: Chain A: F.117, Q.231, Y.232, H.233, L.243, E.246, R.288, H.356, R.391, N.395 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:Q.231, A:E.246, A:R.391, A:R.391 Salt bridges: A:H.233, A:H.233, A:R.288, A:H.356, A:R.391, A:R.391

1 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Covalent)

FAD.2: 33 residues within 4Å: Chain A: V.11, G.12, A.13, G.14, G.15, A.16, S.37, K.38, S.44, H.45, T.46, A.48, A.49, Q.50, G.51, G.52, V.158, A.192, T.193, T.204, N.205, I.208, V.209, D.212, G.213, L.243, H.356, Y.357, G.379, E.380, N.395, L.397, L.400 25 PLIP interactions: 25 interactions with chain A Hydrophobic interactions: A:I.208, A:L.243, A:L.243 Hydrogen bonds: A:G.12, A:A.13, A:A.13, A:G.14, A:G.15, A:A.16, A:K.38, A:K.38, A:S.44, A:S.44, A:H.45, A:T.46, A:T.46, A:Q.50, A:Q.50, A:G.52, A:V.158, A:D.212, A:E.380, A:L.397 pi-Cation interactions: A:K.38, A:H.356

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

FES.3: 12 residues within 4Å: Chain B: L.37, W.55, 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.4: 13 residues within 4Å: Chain B: C.158, P.159, F.167, C.204, T.205, F.206, V.207, G.208, Y.209, C.210, A.221, I.224, Q.225 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)

SF4.5: 10 residues within 4Å: Chain B: C.148, I.149, N.150, C.151, G.152, L.153, C.154, C.214, P.215, V.218 4 PLIP interactions: 4 interactions with chain B, Metal complexes: B:C.148, B:C.151, B:C.154, B:C.214

1 x MQ7: MENAQUINONE-7(Non-covalent)

MQ7.6: 11 residues within 4Å: Chain C: W.56, I.123, V.126, A.127 Chain D: L.35, V.36, L.50, F.58, I.63, F.67, L.68 15 PLIP interactions: 5 interactions with chain C, 10 interactions with chain D Hydrophobic interactions: C:W.56, C:W.56, C:I.123, C:V.126, C:A.127, D:L.35, D:V.36, D:L.50, D:F.58, D:F.58, D:F.58, D:I.63, D:I.63, D:F.67, D:L.68

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Maklashina, E. et al., Fumarate Reductase and Succinate Oxidase Activity of Escherichia coli Complex II Homologs Are Perturbed Differently by Mutation of the Flavin Binding Domain. J.Biol.Chem. (2006)

Release Date

2006-02-21

Peptides

Fumarate reductase flavoprotein subunit: A
Fumarate reductase iron-sulfur protein: B
Fumarate reductase subunit C: C
Fumarate reductase subunit D: 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.
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Fumarate reductase flavoprotein subunit

Fumarate reductase iron-sulfur protein

Fumarate reductase subunit C

Fumarate reductase subunit D

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