SMTL ID : 8dt4.1

X-ray structure of human acetylcholinesterase ternary complex with paraoxon and oxime MMB4 (POX-hAChE-MMB4)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

2 x DEP: DIETHYL PHOSPHONATE(Covalent)

DEP.1: 11 residues within 4Å: Chain A: G.123, G.124, G.125, S.206, A.207, W.239, F.298, F.341, V.410, H.450 Ligands: GOL.4 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:W.239, A:F.298, A:V.410 Hydrogen bonds: A:G.124, A:G.125, A:A.207 Salt bridges: A:H.450 DEP.7: 11 residues within 4Å: Chain B: G.123, G.124, G.125, Y.127, S.206, A.207, W.239, F.298, F.341, H.450 Ligands: GOL.10 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:W.239, B:F.298 Hydrogen bonds: B:G.124, B:G.125, B:A.207 Salt bridges: B:H.450

2 x 3VI: 1,1'-methylenebis{4-[(E)-(hydroxyimino)methyl]pyridin-1-ium}(Non-covalent)

3VI.2: 7 residues within 4Å: Chain A: Y.75, Y.127, W.289, S.296, F.341, Y.344 Ligands: 3VI.8 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:Y.344, A:Y.344 Water bridges: A:Y.75 pi-Stacking: A:W.289, A:W.289 Hydrogen bonds: B:T.78 3VI.8: 6 residues within 4Å: Chain B: Y.75, Y.127, W.289, F.341, Y.344 Ligands: 3VI.2 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:Y.344 Hydrogen bonds: B:Y.127 pi-Stacking: B:W.289

6 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 8 residues within 4Å: Chain A: E.84, M.88, T.439, L.440, S.441, Y.452, E.455, Y.468 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.439, A:T.439, A:S.441, A:S.441 GOL.4: 9 residues within 4Å: Chain A: W.89, G.123, G.124, E.205, S.206, Y.340, H.450, G.451 Ligands: DEP.1 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:G.123, A:E.205, A:Y.340 Water bridges: A:G.123 GOL.5: 5 residues within 4Å: Chain A: D.336, E.399, L.444, W.445, G.447 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.336 GOL.6: 5 residues within 4Å: Chain A: G.46, R.277, T.278, R.279, P.280 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:G.46, A:T.278 Water bridges: A:R.49, A:A.281 GOL.9: 8 residues within 4Å: Chain B: E.84, M.88, T.439, L.440, S.441, Y.452, E.455, Y.468 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:T.439, B:S.441, B:S.441 GOL.10: 9 residues within 4Å: Chain B: W.89, G.123, G.124, E.205, S.206, Y.340, H.450, G.451 Ligands: DEP.7 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:E.205, B:E.205, B:Y.340, B:Y.340 Water bridges: B:Y.136

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gerlits, O. et al., Structural and dynamic effects of paraoxon binding to human acetylcholinesterase by X-ray crystallography and inelastic neutron scattering. Structure (2022)

Release Date

2022-11-02

Peptides

Acetylcholinesterase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Acetylcholinesterase

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