SMTL ID : 2al4.2 (1 other biounit)

CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX WITH quisqualate and CX614.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-trimer

Ligands

5 x ZN: ZINC ION(Non-covalent)

ZN.1: 2 residues within 4Å: Chain A: D.65 Chain B: H.23 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Metal complexes: A:D.65, A:D.65, B:H.23 ZN.2: 4 residues within 4Å: Chain A: E.42, H.46, L.241, Q.244 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.42, A:H.46 ZN.5: 3 residues within 4Å: Chain B: E.42, H.46 Chain C: E.166 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain C Metal complexes: B:E.42, B:H.46, C:E.166, C:E.166 ZN.7: 4 residues within 4Å: Chain A: H.23 Chain C: K.20, H.23, E.30 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain C Metal complexes: A:H.23, C:H.23, C:E.30, C:E.30 ZN.8: 4 residues within 4Å: Chain C: E.42, H.46, L.241, Q.244 3 PLIP interactions: 2 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:E.42, C:H.46, H2O.10

2 x CX6: 2,3,6A,7,8,9-HEXAHYDRO-11H-[1,4]DIOXINO[2,3-G]PYRROLO[2,1-B][1,3]BENZOXAZIN-11-ONE(Non-covalent)

CX6.3: 6 residues within 4Å: Chain A: P.105, M.107, S.108, S.217, K.218, G.219 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:P.105 Water bridges: A:G.219 CX6.9: 6 residues within 4Å: Chain C: P.105, M.107, S.108, S.217, K.218, G.219 3 PLIP interactions: 3 interactions with chain C Hydrophobic interactions: C:P.105 Water bridges: C:G.219, C:G.219

3 x QUS: (S)-2-AMINO-3-(3,5-DIOXO-[1,2,4]OXADIAZOLIDIN-2-YL)-PROPIONIC ACID(Non-covalent)

QUS.4: 13 residues within 4Å: Chain A: Y.61, P.89, L.90, T.91, R.96, L.138, G.141, S.142, T.143, L.192, E.193, M.196, Y.220 13 PLIP interactions: 13 interactions with chain A Hydrogen bonds: A:T.91, A:T.91, A:T.91, A:S.142, A:T.143, A:T.143, A:T.143, A:E.193, A:E.193 Water bridges: A:L.138, A:K.144 Salt bridges: A:R.96 pi-Stacking: A:Y.61 QUS.6: 13 residues within 4Å: Chain B: Y.61, P.89, L.90, T.91, R.96, L.138, G.141, S.142, T.143, L.192, E.193, M.196, Y.220 11 PLIP interactions: 11 interactions with chain B Hydrogen bonds: B:T.91, B:T.91, B:S.142, B:S.142, B:T.143, B:T.143, B:T.143, B:E.193 Water bridges: B:K.144 Salt bridges: B:R.96 pi-Stacking: B:Y.61 QUS.10: 13 residues within 4Å: Chain C: Y.61, P.89, L.90, T.91, R.96, L.138, G.141, S.142, T.143, L.192, E.193, M.196, Y.220 11 PLIP interactions: 11 interactions with chain C Hydrogen bonds: C:T.91, C:T.91, C:S.142, C:T.143, C:T.143, C:T.143, C:E.193 Water bridges: C:L.138, C:K.144 Salt bridges: C:R.96 pi-Stacking: C:Y.61

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jin, R. et al., Mechanism of positive allosteric modulators acting on AMPA receptors. J.Neurosci. (2005)

Release Date

2005-10-25

Peptides

Glutamate receptor 2: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

C
E

Glutamate receptor 2

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