SMTL ID : 2whq.1

Crystal structure of acetylcholinesterase, phosphonylated by sarin (aged) in complex with HI-6

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

homo-dimer

Ligands

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

NAG.1: 3 residues within 4Å: Chain A: S.347, N.350, L.353 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.347 Water bridges: A:G.345 NAG.2: 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 NAG.6: 5 residues within 4Å: Chain B: G.345, S.347, N.350, S.352, L.353 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.347, B:N.350

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

HI6.3: 10 residues within 4Å: Chain A: D.74, W.86, G.120, G.121, Y.124, E.202, X.203, Y.337, H.447, Y.449 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:H.447, A:Y.449 Water bridges: A:S.125 pi-Stacking: A:W.86 HI6.7: 7 residues within 4Å: Chain B: W.86, G.121, Y.124, Y.337, Y.341, H.447, Y.449 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:W.86 Hydrogen bonds: B:Y.124, B:H.447 pi-Stacking: B:W.86

1 x P6G: HEXAETHYLENE GLYCOL(Non-functional Binders)

P6G.4: 10 residues within 4Å: Chain A: L.380, H.381, Q.527, F.531, F.535 Chain B: L.380, H.381, Q.527, F.531, F.535 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:Q.527, A:Q.527 Water bridges: B:H.381, B:H.381

4 x PGE: TRIETHYLENE GLYCOL(Non-functional Binders)

PGE.5: 6 residues within 4Å: Chain A: H.381, Y.382, H.393, D.396, A.400, T.528 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:T.528 PGE.9: 4 residues within 4Å: Chain A: Q.527 Chain B: H.381, Y.382, D.384 No protein-ligand interaction detected (PLIP) PGE.10: 4 residues within 4Å: Chain B: V.303, D.304, G.305, S.309 No protein-ligand interaction detected (PLIP) PGE.11: 1 residues within 4Å: Chain B: Q.291 No protein-ligand interaction detected (PLIP)

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

PEG.8: 4 residues within 4Å: Chain B: K.332, D.333, D.396, W.442 No protein-ligand interaction detected (PLIP)

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

2009-06-30

Peptides

ACETYLCHOLINESTERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ACETYLCHOLINESTERASE

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