SMTL ID : 2whr.1

Crystal structure of acetylcholinesterase in complex with K027

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.55 Å

Oligo State

homo-dimer

Ligands

2 x K27: 4-carbamoyl-1-(3-{4-[(E)-(hydroxyimino)methyl]pyridinium-1-yl}propyl)pyridinium(Non-covalent)

K27.1: 12 residues within 4Å: Chain A: W.86, Y.124, E.285, W.286, R.296, F.297, S.298, Y.337, F.338, Y.341, H.447 Ligands: BR.4 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:F.297, A:Y.337, A:Y.337, A:F.338 Hydrogen bonds: A:W.86, A:S.298, A:S.298 Water bridges: A:E.285, A:F.299, A:F.299 pi-Stacking: A:Y.124, A:W.286, A:W.286 K27.7: 12 residues within 4Å: Chain B: W.86, Y.124, E.285, W.286, R.296, F.297, S.298, Y.337, F.338, Y.341, H.447 Ligands: BR.8 13 PLIP interactions: 13 interactions with chain B Hydrophobic interactions: B:F.297, B:Y.337, B:Y.337, B:F.338 Hydrogen bonds: B:W.86, B:E.285, B:E.285, B:S.298 Water bridges: B:F.299, B:F.299 pi-Stacking: B:Y.124, B:W.286, B:W.286

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

NAG.2: 3 residues within 4Å: Chain A: G.345, S.347, N.350 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.345, A:S.347 Water bridges: A:G.345 NAG.3: 2 residues within 4Å: Chain A: S.462, N.464 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.462, A:N.464

2 x BR: BROMIDE ION(Non-covalent)

BR.4: 4 residues within 4Å: Chain A: I.294, F.295, F.338 Ligands: K27.1 Ligand excluded by PLIP BR.8: 4 residues within 4Å: Chain B: I.294, F.295, F.338 Ligands: K27.7 Ligand excluded by PLIP

3 x P4G: 1-ETHOXY-2-(2-ETHOXYETHOXY)ETHANE(Non-covalent)

P4G.5: 5 residues within 4Å: Chain A: I.213, R.219, F.222, H.223, D.323 No protein-ligand interaction detected (PLIP) P4G.11: 5 residues within 4Å: Chain A: Q.527 Chain B: H.381, Y.382, T.383, H.393 No protein-ligand interaction detected (PLIP) P4G.12: 6 residues within 4Å: Chain B: I.213, R.219, F.222, D.320, D.323, L.324 No protein-ligand interaction detected (PLIP)

2 x CO3: CARBONATE ION(Non-functional Binders)

CO3.6: 2 residues within 4Å: Chain A: W.286, H.287 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:W.286 CO3.13: 1 residues within 4Å: Chain B: W.286 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:W.286

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.9: 3 residues within 4Å: Chain B: D.304, G.305, D.310 No protein-ligand interaction detected (PLIP)

1 x PE4: 2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL(Non-functional Binders)

PE4.10: 13 residues within 4Å: Chain A: A.377, L.380, H.381, Q.527, F.531, F.535 Chain B: A.377, L.380, H.381, Q.527, T.528, F.531, F.535 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:H.381 Water bridges: B:T.528, B:T.528

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ekstrom, F. et al., Structure of Hi-6Sarin-Acetylcholinesterase Determined by X-Ray Crystallography and Molecular Dynamics Simulation: Reactivator Mechanism and Design. Plos One (2009)

Release Date

2009-05-26

Peptides

ACETYLCHOLINESTERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ACETYLCHOLINESTERASE

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