SMTL ID : 6o5s.1 (1 other biounit)

Room temperature structure of VX-phosphonylated hAChE in complex with oxime reactivator RS-170B

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

4 x VX: O-ETHYLMETHYLPHOSPHONIC ACID ESTER GROUP(Covalent)(Non-covalent)

VX.1: 12 residues within 4Å: Chain A: G.123, G.124, G.125, S.206, A.207, W.239, F.298, F.300, F.341, H.450 Ligands: LND.2, VX.3 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:F.341 Hydrogen bonds: A:G.124, A:G.125, A:A.207 VX.3: 10 residues within 4Å: Chain A: W.89, G.123, G.124, E.205, S.206, Y.340, H.450, G.451 Ligands: VX.1, LND.2 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:W.89 VX.4: 12 residues within 4Å: Chain B: G.123, G.124, G.125, S.206, A.207, W.239, F.298, F.300, F.341, H.450 Ligands: LND.5, VX.6 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:G.124, B:G.125, B:A.207 VX.6: 9 residues within 4Å: Chain B: W.89, G.123, G.124, E.205, Y.340, H.450, G.451 Ligands: VX.4, LND.5 No protein-ligand interaction detected (PLIP)

2 x LND: 4-carbamoyl-1-(3-{2-[(E)-(hydroxyimino)methyl]-1H-imidazol-1-yl}propyl)pyridin-1-ium(Non-covalent)

LND.2: 10 residues within 4Å: Chain A: Y.75, Y.127, W.289, V.297, F.298, Y.340, F.341, Y.344 Ligands: VX.1, VX.3 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:Y.344 Hydrogen bonds: A:Y.75, A:Y.127, A:F.298, A:Y.340, A:Y.340 pi-Stacking: A:W.289 LND.5: 10 residues within 4Å: Chain B: Y.75, Y.127, W.289, V.297, F.298, Y.340, F.341, Y.344 Ligands: VX.4, VX.6 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:Y.344 Hydrogen bonds: B:F.298, B:Y.340 Water bridges: B:R.299 pi-Stacking: B:W.289

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gerlits, O. et al., Productive reorientation of a bound oxime reactivator revealed in room temperature X-ray structures of native and VX-inhibited human acetylcholinesterase. J.Biol.Chem. (2019)

Release Date

2019-05-29

Peptides

Acetylcholinesterase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Acetylcholinesterase

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