SMTL ID : 3lsx.1

Piracetam bound to the ligand binding domain of GluA3

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.01 Å

Oligo State

homo-dimer

Ligands

2 x GLU: GLUTAMIC ACID(Non-covalent)

GLU.1: 11 residues within 4Å: Chain A: Y.58, P.86, L.87, T.88, R.93, L.135, G.138, S.139, T.140, E.190, Y.217 14 PLIP interactions: 11 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:Y.58, A:L.135 Hydrogen bonds: A:P.86, A:T.88, A:T.88, A:S.139, A:T.140, A:T.140, A:E.190, E.1, E.1, E.1 Water bridges: A:E.190 Salt bridges: A:R.93 GLU.4: 11 residues within 4Å: Chain B: Y.58, P.86, L.87, T.88, R.93, L.135, G.138, S.139, T.140, E.190, Y.217 13 PLIP interactions: 10 interactions with chain B, 3 Ligand-Ligand interactions Hydrophobic interactions: B:Y.58, B:L.135 Hydrogen bonds: B:P.86, B:T.88, B:S.139, B:T.140, B:T.140, B:E.190, E.4, E.4, E.4 Water bridges: B:E.190 Salt bridges: B:R.93

2 x PZI: 2-(2-oxopyrrolidin-1-yl)acetamide(Non-covalent)

PZI.2: 6 residues within 4Å: Chain A: D.245, N.249 Chain B: N.211, L.212, D.213, S.214 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.249 Water bridges: A:D.245 PZI.5: 6 residues within 4Å: Chain A: N.211, L.212, D.213, S.214 Chain B: D.245, N.249 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.249

2 x ZN: ZINC ION(Non-covalent)

ZN.3: 1 residues within 4Å: Chain A: E.21 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.21, A:E.21, H2O.2, H2O.3 ZN.6: 1 residues within 4Å: Chain B: E.21 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.21, B:E.21, H2O.15, H2O.16

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ahmed, A.H. et al., Piracetam Defines a New Binding Site for Allosteric Modulators of alpha-Amino-3-hydroxy-5-methyl-4-isoxazole-propionic Acid (AMPA) Receptors. J.Med.Chem. (2010)

Release Date

2011-03-16

Peptides

GluA3 S1S2 domain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

GluA3 S1S2 domain

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