SMTL ID : 2xi4.1

Torpedo californica Acetylcholinesterase in Complex with Aflatoxin B1 (Orthorhombic Space Group)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x AFT: AFLATOXIN B1(Non-covalent)

AFT.1: 12 residues within 4Å: Chain A: Y.70, D.72, Y.121, W.279, L.282, S.286, I.287, F.288, R.289, F.290, F.330, Y.334 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:W.279, A:L.282, A:F.330, A:Y.334 Hydrogen bonds: A:Y.121, A:F.288, A:R.289 pi-Stacking: A:W.279, A:W.279 AFT.12: 12 residues within 4Å: Chain B: Y.70, D.72, Y.121, W.279, L.282, S.286, I.287, F.288, R.289, F.290, F.330, Y.334 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:W.279, B:L.282, B:F.330, B:Y.334 Hydrogen bonds: B:Y.70, B:F.288, B:R.289 Water bridges: B:D.72 pi-Stacking: B:W.279, B:W.279

4 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 2 residues within 4Å: Chain A: L.23, K.133 Ligand excluded by PLIP CL.3: 1 residues within 4Å: Chain A: T.497 Ligand excluded by PLIP CL.13: 2 residues within 4Å: Chain B: T.496, T.497 Ligand excluded by PLIP CL.14: 3 residues within 4Å: Chain B: L.23, K.133, Y.134 Ligand excluded by PLIP

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

PEG.4: 2 residues within 4Å: Chain A: S.55, V.57 No protein-ligand interaction detected (PLIP) PEG.5: 9 residues within 4Å: Chain A: G.80, M.83, W.84, W.432, I.439, H.440, G.441, Y.442, E.445 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:W.84, A:H.440 Water bridges: A:E.445, A:E.445 PEG.6: 8 residues within 4Å: Chain A: M.405, H.406, N.409, V.518, C.521, V.522, N.525, Q.526 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:H.406, A:N.409, A:N.525, A:Q.526, A:Q.526 PEG.15: 4 residues within 4Å: Chain B: V.20, Y.63, W.100, N.131 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:W.100, B:N.131 Water bridges: B:K.133 PEG.17: 8 residues within 4Å: Chain B: M.405, H.406, N.409, R.515, L.516, V.518, C.521, N.525 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:H.406, B:N.409, B:N.525 Water bridges: B:Q.500 PEG.18: 3 residues within 4Å: Chain B: N.481, N.483, K.491 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.481, B:N.483

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

PGE.7: 11 residues within 4Å: Chain A: W.84, G.117, G.118, G.119, Y.121, Y.130, E.199, F.330, F.331, H.440, G.441 3 PLIP interactions: 3 interactions with chain A Water bridges: A:G.118, A:G.118, A:S.122 PGE.16: 9 residues within 4Å: Chain B: W.84, G.117, G.118, G.119, Y.121, E.199, F.330, F.331, H.440 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:G.118, B:E.199 Water bridges: B:G.117, B:G.119, B:S.200, B:S.200

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

NAG.8: 2 residues within 4Å: Chain A: N.59, S.61 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.59, A:S.61 NAG.9: 1 residues within 4Å: Chain A: N.416 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.416 Water bridges: A:N.416 NAG.10: 1 residues within 4Å: Chain A: N.457 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.457 NAG.19: 3 residues within 4Å: Chain B: N.59, S.61, T.62 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.59, B:S.61 NAG.20: 1 residues within 4Å: Chain B: N.416 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.416 Water bridges: B:N.416, B:N.416

1 x K: POTASSIUM ION(Non-covalent)

K.11: 3 residues within 4Å: Chain A: E.163, E.260, H.264 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.163, A:E.260, A:H.264

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sanson, B. et al., Backdoor Opening Mechanism in Acetylcholinesterase Based on X-Ray Crystallography and Molecular Dynamics Simulations. Protein Sci. (2011)

Release Date

2011-03-23

Peptides

ACETYLCHOLINESTERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ACETYLCHOLINESTERASE

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