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SMTL ID : 1icv.1
(1 other biounit)
THE STRUCTURE OF ESCHERICHIA COLI NITROREDUCTASE COMPLEXED WITH NICOTINIC ACID
Coordinates
PDB Format
Method
X-RAY DIFFRACTION 2.40 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
,
F.70
,
N.71
,
K.74
,
Y.144
,
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:
NIO.3
26
PLIP interactions
:
19 interactions with chain A
,
7 interactions with chain B
Hydrophobic interactions:
A:Y.144
,
A:P.163
,
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.205
,
A:K.205
,
A:R.207
,
B:T.41
,
B:E.102
,
B:R.121
Salt bridges:
A:R.10
,
A:K.205
,
A:R.207
FMN.4:
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:
NIO.2
23
PLIP interactions
:
19 interactions with chain B
,
4 interactions with chain A
Hydrophobic interactions:
B:Y.144
,
B:P.163
,
B:E.165
Hydrogen bonds:
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:G.166
,
B:N.200
,
A:S.39
,
A:T.41
Water bridges:
B:K.205
,
B:K.205
,
B:R.207
,
A:T.41
,
A:R.121
Salt bridges:
B:R.10
,
B:K.205
,
B:R.207
2 x
NIO
:
NICOTINIC ACID
(Non-covalent)
NIO.2:
6 residues within 4Å:
Chain A:
S.40
,
T.41
,
F.124
Chain B:
E.165
,
G.166
Ligands:
FMN.4
5
PLIP interactions
:
2 interactions with chain A
,
3 interactions with chain B
Hydrogen bonds:
A:T.41
,
A:T.41
Hydrophobic interactions:
B:E.165
Water bridges:
B:N.71
Salt bridges:
B:K.14
NIO.3:
6 residues within 4Å:
Chain A:
F.70
,
G.166
Chain B:
S.40
,
T.41
,
F.124
Ligands:
FMN.1
3
PLIP interactions
:
2 interactions with chain B
,
1 interactions with chain A
Hydrophobic interactions:
B:T.41
Hydrogen bonds:
B:T.41
Salt bridges:
A:K.14
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Lovering, A.L. et al., The structure of Escherichia coli nitroreductase complexed with nicotinic acid: three crystal forms at 1.7 A, 1.8 A and 2.4 A resolution. J.Mol.Biol. (2001)
Release Date
2001-04-18
Peptides
OXYGEN-INSENSITIVE NAD(P)H NITROREDUCTASE:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
B
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OXYGEN-INSENSITIVE NAD(P)H NITROREDUCTASE
Toggle Identical (AB)
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