SMTL ID : 6wuy.1

Crystal Structure of Recombinant Human Acetylcholinesterase In Complex with GA and HI-6

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.46 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: 2 residues within 4Å: Chain A: G.344, N.349 No protein-ligand interaction detected (PLIP) NAG-NAG-FUC.5: 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:S.346, B:G.344

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Non-covalent)

NAG.2: 1 residues within 4Å: Chain A: N.463 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.463

2 x ELT: ethoxy-~{N},~{N}-dimethyl-phosphonamidic acid(Covalent)

ELT.3: 9 residues within 4Å: Chain A: G.120, G.121, S.202, A.203, W.235, 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 ELT.7: 9 residues within 4Å: Chain B: G.120, G.121, S.202, A.203, W.235, F.294, F.296, F.337, H.446 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:F.337 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)

HI6.4: 10 residues within 4Å: Chain A: Y.71, D.73, Y.123, E.284, W.285, R.295, F.296, S.297, Y.336, Y.340 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:F.296, A:Y.336 Hydrogen bonds: A:E.284, A:S.297 Water bridges: A:D.73, A:S.124, A:S.124 pi-Stacking: A:Y.123, A:W.285, A:W.285, A:Y.340 HI6.8: 9 residues within 4Å: Chain B: Y.71, D.73, Y.123, E.284, W.285, F.296, S.297, Y.336, Y.340 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:Y.336 Hydrogen bonds: B:D.73, B:Y.123, B:E.284, B:S.297, B:S.297 Water bridges: B:F.298 pi-Stacking: B:Y.71, B:Y.123, B:W.285, B:W.285, B:Y.340

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Non-covalent)

NAG-NAG.6: 2 residues within 4Å: Chain B: N.264, T.266 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

McGuire, J.R. et al., Structural and Biochemical Insights into the Inhibition of Human Acetylcholinesterase by G-Series Nerve Agents and Subsequent Reactivation by HI-6. Chem.Res.Toxicol. (2021)

Release Date

2021-02-17

Peptides

Acetylcholinesterase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Acetylcholinesterase

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