SMTL ID : 1ms7.3 (2 other biounits)

X-ray structure of the GluR2 ligand-binding core (S1S2J) in complex with (S)-Des-Me-AMPA at 1.97 A resolution, Crystallization in the presence of zinc acetate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.97 Å

Oligo State

homo-trimer

Ligands

3 x SHI: (S)-2-AMINO-3-(3-HYDROXY-ISOXAZOL-4-YL)PROPIONIC ACID(Non-covalent)

SHI.1: 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 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:Y.61, A:L.138 Hydrogen bonds: A:T.91, A:S.142, A:T.143, A:T.143, A:E.193, A:E.193 Water bridges: A:S.140, A:G.141, A:T.143, A:K.144, A:Y.190 Salt bridges: A:R.96 SHI.4: 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 14 PLIP interactions: 14 interactions with chain B Hydrophobic interactions: B:Y.61, B:L.138 Hydrogen bonds: B:T.91, B:T.91, B:S.142, B:T.143, B:T.143, B:E.193, B:E.193 Water bridges: B:S.140, B:G.141, B:T.143, B:Y.190 Salt bridges: B:R.96 SHI.9: 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 12 PLIP interactions: 12 interactions with chain C Hydrophobic interactions: C:Y.61, C:L.138 Hydrogen bonds: C:T.91, C:S.142, C:T.143, C:E.193, C:E.193 Water bridges: C:S.140, C:T.143, C:T.143, C:Y.190 Salt bridges: C:R.96

6 x ZN: ZINC ION(Non-covalent)

ZN.2: 3 residues within 4Å: Chain B: E.42, K.45, H.46 5 PLIP interactions: 2 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.42, B:H.46, H2O.22, H2O.24, H2O.28 ZN.3: 2 residues within 4Å: Chain A: H.23 Chain B: D.65 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.65, B:D.65, H2O.18, H2O.28 ZN.5: 4 residues within 4Å: Chain B: H.23, E.24 Chain C: H.23, E.30 5 PLIP interactions: 3 interactions with chain C, 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: C:H.23, C:E.30, C:E.30, B:H.23, H2O.44 ZN.6: 5 residues within 4Å: Chain C: E.42, K.45, 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.45 ZN.7: 4 residues within 4Å: Chain A: H.46 Chain C: E.166, S.168 Ligands: ZN.8 No protein-ligand interaction detected (PLIP) ZN.8: 5 residues within 4Å: Chain A: E.42, H.46, L.241 Chain C: E.166 Ligands: ZN.7 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain C Metal complexes: A:E.42, A:H.46, C:E.166, C:E.166

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kasper, C. et al., GluR2 ligand-binding core complexes: importance of the isoxazolol moiety and 5-substituent for the binding mode of AMPA-type agonists. FEBS Lett. (2002)

Release Date

2003-07-08

Peptides

Glutamate receptor subunit 2: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
A

C
B

Glutamate receptor subunit 2

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