SMTL ID : 3lsf.1 (1 other biounit)

Piracetam bound to the ligand binding domain of GluA2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.85 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, E.1, E.1, E.1 Water bridges: A:K.141, 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 14 PLIP interactions: 11 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:T.88, B:T.88, B:S.139, B:T.140, B:T.140, E.4, E.4, E.4 Water bridges: B:L.135 Salt bridges: B:R.93

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

PZI.2: 8 residues within 4Å: Chain A: Y.32, P.102, F.103, M.104, S.239, L.244, D.245 Chain B: S.214 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:F.103, A:S.239 Water bridges: A:S.105 PZI.3: 5 residues within 4Å: Chain A: N.211, D.213, S.214 Chain B: D.245, N.249 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.249, B:N.249 Water bridges: B:D.245 PZI.5: 4 residues within 4Å: Chain A: D.245, N.249 Chain B: D.213, S.214 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.249, A:N.249 PZI.6: 8 residues within 4Å: Chain A: S.214 Chain B: P.102, F.103, M.104, S.239, L.244, D.245, K.248 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:L.244 Hydrogen bonds: B:D.245 Water bridges: B:S.239

3 x ZN: ZINC ION(Non-covalent)

ZN.7: 1 residues within 4Å: Chain B: D.62 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.62, B:D.62 ZN.8: 2 residues within 4Å: Chain B: H.20, E.21 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:H.20 ZN.9: 3 residues within 4Å: Chain B: E.39, H.43, Q.241 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:E.39, B:H.43

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

2010-03-16

Peptides

Glutamate receptor 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
E

Glutamate receptor 2

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