SMTL ID : 7xn1.1

Crystal structure of human acetylcholinesterase in complex with tacrine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.85 Å

Oligo State

homo-dimer

Ligands

1 x NAG- NAG- FUC: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-FUC.1: 5 residues within 4Å: Chain A: P.341, G.342, F.343, S.344, N.347 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.344, A:G.342

1 x NAG- FUC: alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-FUC.2: 4 residues within 4Å: Chain B: G.342, F.343, S.344, N.347 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.344 Water bridges: B:G.342

2 x THA: TACRINE(Non-covalent)

THA.3: 10 residues within 4Å: Chain A: D.71, G.79, W.83, G.118, E.199, Y.334, Y.338, W.436, H.444, G.445 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:W.83, A:Y.334, A:Y.334, A:W.436 Hydrogen bonds: A:Y.334, A:H.444 pi-Stacking: A:W.83, A:W.83, A:W.83 THA.5: 12 residues within 4Å: Chain B: G.79, T.80, W.83, G.117, G.118, E.199, Y.334, Y.338, W.436, H.444, G.445, Y.446 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:T.80, B:Y.334, B:Y.334, B:W.436 Hydrogen bonds: B:H.444 pi-Stacking: B:W.83, B:W.83, B:W.83

1 x PE8: 3,6,9,12,15,18,21-HEPTAOXATRICOSANE-1,23-DIOL(Non-covalent)

PE8.4: 7 residues within 4Å: Chain A: G.160, M.238, D.301, G.302, D.303, S.306, D.307 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dileep, K. et al., Crystal structure of human acetylcholinesterase in complex with tacrine: Implications for drug discovery. Int.J.Biol.Macromol. (2022)

Release Date

2023-03-01

Peptides

Acetylcholinesterase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Acetylcholinesterase

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