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SMTL ID : 3b0n.1
Q448K mutant of assimilatory nitrite reductase (Nii3) from tobbaco leaf
Coordinates
PDB Format
Compare
Method
X-RAY DIFFRACTION 2.00 Å
Oligo State
monomer
Ligands
1 x
SRM
:
SIROHEME
(Non-covalent)
SRM.1:
28 residues within 4Å:
Chain A:
F.125
,
R.127
,
M.136
,
R.138
,
T.170
,
T.171
,
R.172
,
N.174
,
Q.176
,
R.178
,
R.252
,
K.253
,
N.255
,
I.270
,
F.293
,
F.294
,
S.295
,
R.338
,
Q.431
,
A.468
,
C.469
,
T.470
,
C.475
,
N.512
,
T.513
,
C.514
,
Q.516
Ligands:
SF4.2
53
PLIP interactions
:
52 interactions with chain A
,
1 Ligand-Water interactions
,
Hydrophobic interactions:
A:F.125
,
A:R.172
,
A:K.253
,
A:F.294
,
A:N.512
,
A:Q.516
Hydrogen bonds:
A:T.170
,
A:T.170
,
A:T.171
,
A:T.171
,
A:N.174
,
A:Q.176
,
A:N.255
,
A:F.294
,
A:Q.431
,
A:T.470
,
A:T.470
,
A:T.470
,
A:Q.516
Water bridges:
A:K.120
,
A:K.120
,
A:R.127
,
A:R.127
,
A:R.172
,
A:R.172
,
A:R.208
,
A:R.208
,
A:N.209
,
A:R.252
,
A:K.253
,
A:S.295
,
A:S.295
,
A:A.296
,
A:R.334
,
A:K.477
,
A:K.483
,
A:N.512
Salt bridges:
A:K.120
,
A:R.127
,
A:R.127
,
A:R.138
,
A:R.172
,
A:R.178
,
A:R.252
,
A:R.252
,
A:K.253
,
A:R.338
,
A:R.338
,
A:K.477
,
A:K.483
pi-Cation interactions:
A:K.253
Metal complexes:
A:C.514
,
H
2
O.1
1 x
SF4
:
IRON/SULFUR CLUSTER
(Non-covalent)
SF4.2:
12 residues within 4Å:
Chain A:
C.469
,
T.470
,
C.475
,
K.477
,
A.478
,
T.508
,
G.509
,
C.510
,
N.512
,
T.513
,
C.514
Ligands:
SRM.1
4
PLIP interactions
:
4 interactions with chain A
,
Metal complexes:
A:C.469
,
A:C.475
,
A:C.510
,
A:C.514
1 x
K
:
POTASSIUM ION
(Non-covalent)
K.3:
7 residues within 4Å:
Chain A:
I.400
,
V.402
,
G.403
,
E.430
,
Q.431
,
N.432
,
L.466
5
PLIP interactions
:
3 interactions with chain A
,
2 Ligand-Water interactions
Metal complexes:
A:I.400
,
A:E.430
,
A:Q.431
,
H
2
O.1
,
H
2
O.1
2 x
CL
:
CHLORIDE ION
(Non-functional Binders)
CL.4:
3 residues within 4Å:
Chain A:
F.125
,
M.204
,
R.208
Ligand excluded by PLIP
CL.5:
3 residues within 4Å:
Chain A:
R.128
,
K.129
,
G.476
Ligand excluded by PLIP
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Nakano, S. et al., Structure-function relationship of assimilatory nitrite reductases from the leaf and root of tobacco based on high resolution structures. Protein Sci. (2012)
Release Date
2012-02-22
Peptides
Nitrite reductase:
A
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
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Nitrite reductase
Cartoon
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