SMTL ID : 1gpk.1

Structure of Acetylcholinesterase Complex with (+)-Huperzine A at 2.1A Resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 2 residues within 4Å: Chain A: N.416, L.494 No protein-ligand interaction detected (PLIP)

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

NAG.2: 3 residues within 4Å: Chain A: N.59, S.61, T.62 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.61, A:S.61 NAG.3: 3 residues within 4Å: Chain A: E.455, L.456, N.457 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.456 Hydrogen bonds: A:E.455 NAG.5: 3 residues within 4Å: Chain B: N.59, S.61, T.62 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.61, B:S.61 NAG.6: 3 residues within 4Å: Chain B: E.455, L.456, N.457 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:L.456 Hydrogen bonds: B:E.455

2 x HUP: Huperzine A(Non-covalent)

HUP.4: 17 residues within 4Å: Chain A: W.84, Y.116, G.117, G.118, G.119, Y.121, S.122, G.123, S.124, L.127, Y.130, E.199, S.200, F.290, F.330, F.331, H.440 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:W.84, A:F.290, A:F.330, A:F.331 Hydrogen bonds: A:G.117, A:S.122, A:S.122, A:S.124 Water bridges: A:Y.130, A:Y.130 HUP.7: 17 residues within 4Å: Chain B: W.84, Y.116, G.117, G.118, G.119, Y.121, S.122, G.123, S.124, L.127, Y.130, E.199, S.200, F.290, F.330, F.331, H.440 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:W.84, B:F.290, B:F.330, B:F.331 Hydrogen bonds: B:G.117, B:S.122, B:S.122, B:S.124, B:Y.130 Water bridges: B:Y.121

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dvir, H. et al., X-Ray Structures of Torpedo Californica Acetylcholinesterase Complexed with (+)-Huperzine a and (-)-Huperzine B: Structural Evidence for an Active Site Rearrangement. Biochemistry (2002)

Release Date

2002-08-29

Peptides

ACETYLCHOLINESTERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

ACETYLCHOLINESTERASE

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