SMTL ID : 7b8e.1

Torpedo californica acetylcholinesterase complexed with Ca+2

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.23 Å

Oligo State

homo-dimer

Ligands

2 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: G.415, N.416 No protein-ligand interaction detected (PLIP) NAG-NAG.10: 2 residues within 4Å: Chain B: G.415, N.416 No protein-ligand interaction detected (PLIP)

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

NAG-FUC.2: 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-FUC.11: 2 residues within 4Å: Chain B: N.59, S.61 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.59, B:S.61

6 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.3: 6 residues within 4Å: Chain A: W.84, G.118, E.199, F.330, H.440 Ligands: FWN.7 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.199 Water bridges: A:G.118 EDO.4: 3 residues within 4Å: Chain A: N.87, R.88, E.89 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.89 Water bridges: A:R.88 EDO.5: 4 residues within 4Å: Chain A: S.237, A.239, E.240, R.243 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.237, A:E.240, A:E.240 EDO.12: 6 residues within 4Å: Chain B: W.84, G.118, E.199, F.330, H.440 Ligands: FWN.16 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.199 Water bridges: B:G.118 EDO.13: 3 residues within 4Å: Chain B: N.87, R.88, E.89 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.89 Water bridges: B:R.88 EDO.14: 4 residues within 4Å: Chain B: S.237, A.239, E.240, R.243 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.237, B:E.240

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

NAG.6: 2 residues within 4Å: Chain A: E.455, N.457 No protein-ligand interaction detected (PLIP) NAG.15: 2 residues within 4Å: Chain B: E.455, N.457 No protein-ligand interaction detected (PLIP)

2 x FWN: 2-[2-(2-ethoxyethoxy)ethoxy]ethanol(Non-covalent)

FWN.7: 5 residues within 4Å: Chain A: Y.121, W.279, F.330, Y.334 Ligands: EDO.3 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:W.279 FWN.16: 5 residues within 4Å: Chain B: Y.121, W.279, F.330, Y.334 Ligands: EDO.12 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:W.279

2 x CA: CALCIUM ION(Non-covalent)

CA.8: 2 residues within 4Å: Chain A: D.326, D.392 6 PLIP interactions: 2 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:D.326, A:D.392, H2O.2, H2O.4, H2O.5, H2O.7 CA.17: 2 residues within 4Å: Chain B: D.326, D.392 6 PLIP interactions: 2 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:D.326, B:D.392, H2O.12, H2O.13, H2O.15, H2O.17

2 x ZN: ZINC ION(Non-covalent)

ZN.9: 2 residues within 4Å: Chain A: H.264, E.268 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:H.264, A:E.268 ZN.18: 2 residues within 4Å: Chain B: H.264, E.268 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:H.264, B:E.268

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Silman, I. et al., Torpedo californica acetylcholinesterase is stabilized by binding of a divalent metal ion to a novel and versatile 4D motif. Protein Sci. (2021)

Release Date

2021-03-17

Peptides

Acetylcholinesterase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Acetylcholinesterase

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