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SMTL ID : 1yki.1
(1 other biounit)
The structure of E. coli nitroreductase bound with the antibiotic nitrofurazone
Coordinates
PDB Format
Method
X-RAY DIFFRACTION 1.70 Å
Oligo State
homo-dimer
Ligands
2 x
FMN
:
FLAVIN MONONUCLEOTIDE
(Non-covalent)
FMN.1:
23 residues within 4Å:
Chain A:
R.10
,
H.11
,
S.12
,
K.14
,
N.71
,
K.74
,
Y.144
,
V.162
,
P.163
,
I.164
,
E.165
,
G.166
,
N.200
,
K.205
,
R.207
Chain B:
P.38
,
S.39
,
S.40
,
T.41
,
N.42
,
Q.142
,
L.145
Ligands:
NFZ.2
27
PLIP interactions
:
20 interactions with chain A
,
7 interactions with chain B
Hydrophobic interactions:
A:Y.144
,
A:P.163
,
A:E.165
,
B:L.145
Hydrogen bonds:
A:S.12
,
A:S.12
,
A:S.12
,
A:S.12
,
A:K.14
,
A:N.71
,
A:N.71
,
A:K.74
,
A:E.165
,
A:G.166
,
A:N.200
,
B:S.39
,
B:T.41
,
B:N.42
Water bridges:
A:K.14
,
A:K.205
,
A:R.207
,
B:T.41
,
B:E.102
,
B:R.107
Salt bridges:
A:R.10
,
A:K.205
,
A:R.207
FMN.3:
23 residues within 4Å:
Chain A:
P.38
,
S.39
,
S.40
,
T.41
,
N.42
,
Q.142
,
L.145
Chain B:
R.10
,
H.11
,
S.12
,
K.14
,
N.71
,
K.74
,
Y.144
,
V.162
,
P.163
,
I.164
,
E.165
,
G.166
,
N.200
,
K.205
,
R.207
Ligands:
NFZ.4
29
PLIP interactions
:
7 interactions with chain A
,
22 interactions with chain B
Hydrophobic interactions:
A:L.145
,
B:Y.144
,
B:P.163
,
B:E.165
Hydrogen bonds:
A:S.39
,
A:T.41
,
A:N.42
,
B:S.12
,
B:S.12
,
B:S.12
,
B:S.12
,
B:K.14
,
B:N.71
,
B:N.71
,
B:K.74
,
B:E.165
,
B:E.165
,
B:G.166
,
B:N.200
Water bridges:
A:T.41
,
A:R.107
,
A:R.121
,
B:K.14
,
B:K.205
,
B:R.207
,
B:R.207
Salt bridges:
B:R.10
,
B:K.205
,
B:R.207
2 x
NFZ
:
NITROFURAZONE
(Non-covalent)
NFZ.2:
12 residues within 4Å:
Chain A:
N.67
,
Y.68
,
V.69
,
F.70
,
N.71
,
K.74
,
E.165
,
G.166
Chain B:
S.40
,
T.41
,
F.124
Ligands:
FMN.1
5
PLIP interactions
:
4 interactions with chain A
,
1 interactions with chain B
Hydrophobic interactions:
A:F.70
Hydrogen bonds:
A:E.165
,
B:T.41
Water bridges:
A:K.14
,
A:K.14
NFZ.4:
12 residues within 4Å:
Chain A:
S.40
,
T.41
,
F.124
Chain B:
N.67
,
Y.68
,
V.69
,
F.70
,
N.71
,
K.74
,
E.165
,
G.166
Ligands:
FMN.3
6
PLIP interactions
:
5 interactions with chain B
,
1 interactions with chain A
Hydrophobic interactions:
B:F.70
Hydrogen bonds:
B:E.165
,
B:E.165
,
A:T.41
Water bridges:
B:K.14
,
B:K.14
1 x
DMS
:
DIMETHYL SULFOXIDE
(Non-functional Binders)
DMS.5:
2 residues within 4Å:
Chain B:
A.104
,
D.105
No protein-ligand interaction detected (PLIP)
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Race, P.R. et al., Structural and mechanistic studies of Escherichia coli nitroreductase with the antibiotic nitrofurazone. Reversed binding orientations in different redox states of the enzyme. J.Biol.Chem. (2005)
Release Date
2005-02-08
Peptides
Oxygen-insensitive NAD(P)H nitroreductase:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
B
Export Alignment
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Secondary Structure
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Oxygen-insensitive NAD(P)H nitroreductase
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