SMTL ID : 6cqw.1

Crystal Structure of Recombinant Human Acetylcholinesterase in Complex with VX(-) and HI-6

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.28 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 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.346, A:G.344 Water bridges: A:E.357 NAG-NAG-FUC.6: 4 residues within 4Å: Chain B: P.343, G.344, S.346, N.349 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.346, B:G.344

3 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.2: 3 residues within 4Å: Chain A: N.264, T.266, E.267 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.264, A:E.267 NAG.3: 2 residues within 4Å: Chain A: S.461, N.463 No protein-ligand interaction detected (PLIP) NAG.7: 1 residues within 4Å: Chain B: N.463 No protein-ligand interaction detected (PLIP)

2 x VX: O-ETHYLMETHYLPHOSPHONIC ACID ESTER GROUP(Covalent)

VX.4: 9 residues within 4Å: Chain A: G.119, G.120, G.121, S.202, A.203, F.294, F.296, F.337, H.446 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.120, A:G.121, A:A.203 VX.8: 11 residues within 4Å: Chain B: G.119, G.120, G.121, S.202, A.203, W.235, F.294, F.296, F.337, H.446 Ligands: HI6.9 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:G.120, B:G.121, B:A.203

2 x HI6: 4-(AMINOCARBONYL)-1-[({2-[(E)-(HYDROXYIMINO)METHYL]PYRIDINIUM-1-YL}METHOXY)METHYL]PYRIDINIUM(Non-covalent)

HI6.5: 14 residues within 4Å: Chain A: Y.71, D.73, Y.123, V.281, E.284, W.285, S.292, V.293, F.294, R.295, F.296, Y.336, F.337, Y.340 14 PLIP interactions: 14 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:W.285, A:F.294, A:R.295, A:R.295 pi-Stacking: A:Y.71, A:W.285, A:W.285, A:Y.340 HI6.9: 14 residues within 4Å: Chain B: 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.8 16 PLIP interactions: 16 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, B:W.285 pi-Stacking: B:Y.71, B:W.285, B:W.285, B:Y.340

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: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Acetylcholinesterase

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