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SMTL ID : 6cqy.1
Crystal Structure of Recombinant Human Acetylcholinesterase in Complex with EMPA and HI-6
Coordinates
PDB Format
Compare
Method
X-RAY DIFFRACTION 2.45 Å
Oligo State
homo-dimer
Ligands
2 x
NAG
-
NAG
-
FUC
:
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose
NAG-NAG-FUC.1:
6 residues within 4Å:
Chain A:
A.342
,
P.343
,
G.344
,
F.345
,
S.346
,
N.349
1
PLIP interactions
:
1 interactions with chain A
Hydrogen bonds:
A:S.346
,
A:G.344
NAG-NAG-FUC.5:
5 residues within 4Å:
Chain B:
P.343
,
G.344
,
S.346
,
D.348
,
N.349
2
PLIP interactions
:
2 interactions with chain B
Hydrophobic interactions:
B:D.348
,
B:P.343
Hydrogen bonds:
B:S.346
,
B:G.344
2 x
NAG
:
2-acetamido-2-deoxy-beta-D-glucopyranose
(Post Translational Modification)
NAG.2:
3 residues within 4Å:
Chain A:
N.264
,
D.265
,
T.266
3
PLIP interactions
:
3 interactions with chain A
Hydrophobic interactions:
A:T.266
Hydrogen bonds:
A:D.265
,
A:T.266
NAG.6:
1 residues within 4Å:
Chain B:
N.463
1
PLIP interactions
:
1 interactions with chain B
Hydrogen bonds:
B:S.461
2 x
HI6
:
4-(AMINOCARBONYL)-1-[({2-[(E)-(HYDROXYIMINO)METHYL]PYRIDINIUM-1-YL}METHOXY)METHYL]PYRIDINIUM
(Non-covalent)
HI6.3:
14 residues within 4Å:
Chain A:
Y.71
,
D.73
,
Y.123
,
V.281
,
E.284
,
W.285
,
V.293
,
F.294
,
R.295
,
F.296
,
Y.336
,
F.337
,
Y.340
Ligands:
VX.4
16
PLIP interactions
:
16 interactions with chain A
Hydrophobic interactions:
A:Y.71
,
A:W.285
,
A:Y.336
,
A:F.337
Hydrogen bonds:
A:D.73
,
A:V.281
,
A:F.294
,
A:R.295
,
A:R.295
Water bridges:
A:Y.71
,
A:W.285
,
A:W.285
pi-Stacking:
A:Y.71
,
A:W.285
,
A:W.285
,
A:Y.340
HI6.7:
13 residues within 4Å:
Chain B:
Y.71
,
D.73
,
Y.123
,
V.281
,
E.284
,
W.285
,
V.293
,
F.294
,
R.295
,
Y.336
,
F.337
,
Y.340
Ligands:
VX.8
15
PLIP interactions
:
15 interactions with chain B
Hydrophobic interactions:
B:Y.71
,
B:Y.123
,
B:W.285
,
B:Y.336
,
B:F.337
Hydrogen bonds:
B:D.73
,
B:V.281
,
B:F.294
,
B:R.295
,
B:R.295
Water bridges:
B:Y.123
pi-Stacking:
B:Y.71
,
B:W.285
,
B:W.285
,
B:Y.340
2 x
VX
:
O-ETHYLMETHYLPHOSPHONIC ACID ESTER GROUP
(Non-covalent)
VX.4:
10 residues within 4Å:
Chain A:
W.85
,
G.119
,
G.120
,
Y.132
,
E.201
,
S.202
,
Y.336
,
H.446
,
G.447
Ligands:
HI6.3
8
PLIP interactions
:
8 interactions with chain A
Hydrophobic interactions:
A:Y.336
Hydrogen bonds:
A:G.119
,
A:Y.132
,
A:S.202
Water bridges:
A:G.119
,
A:G.119
,
A:G.120
,
A:G.121
VX.8:
10 residues within 4Å:
Chain B:
W.85
,
G.119
,
G.120
,
Y.132
,
E.201
,
S.202
,
Y.336
,
H.446
,
G.447
Ligands:
HI6.7
6
PLIP interactions
:
6 interactions with chain B
Hydrophobic interactions:
B:Y.336
Hydrogen bonds:
B:G.119
,
B:S.202
Water bridges:
B:G.119
,
B:G.119
,
B:A.203
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Bester, S.M. et al., Structural Insights of Stereospecific Inhibition of Human Acetylcholinesterase by VX and Subsequent Reactivation by HI-6. Chem. Res. Toxicol. (2018)
Release Date
2018-12-05
Peptides
Acetylcholinesterase:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
B
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Acetylcholinesterase
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Cartoon
Cartoon
Tube
Trace
Lines
Ball+Stick
Licorice
Hyperball
Rope
Surface
Spacefill
Outline
Fog
Background
Transparent
Resolution
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