SMTL ID : 3ilt.1

Crystal structure of the AMPA subunit GluR2 bound to the allosteric modulator, trichlormethiazide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.11 Å

Oligo State

homo-trimer

Ligands

3 x GLU: GLUTAMIC ACID(Non-covalent)

GLU.1: 12 residues within 4Å: Chain A: Y.58, P.86, L.87, T.88, R.93, L.135, G.138, S.139, T.140, L.189, E.190, Y.217 16 PLIP interactions: 13 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:S.139, A:T.140, A:T.140, A:E.190, A:E.190, E.1, E.1, E.1 Water bridges: A:T.88, A:L.135, A:E.190 Salt bridges: A:R.93 GLU.5: 12 residues within 4Å: Chain B: Y.58, P.86, L.87, T.88, R.93, L.135, G.138, S.139, T.140, L.189, E.190, Y.217 16 PLIP interactions: 3 Ligand-Ligand interactions, 13 interactions with chain B Hydrogen bonds: E.5, E.5, E.5, B:P.86, B:T.88, B:T.88, B:S.139, B:S.139, B:T.140, B:T.140, B:E.190, B:E.190 Hydrophobic interactions: B:Y.58, B:L.135 Water bridges: B:E.190 Salt bridges: B:R.93 GLU.8: 12 residues within 4Å: Chain C: Y.58, P.86, L.87, T.88, R.93, L.135, G.138, S.139, T.140, L.189, E.190, Y.217 17 PLIP interactions: 14 interactions with chain C, 3 Ligand-Ligand interactions Hydrophobic interactions: C:Y.58, C:L.135 Hydrogen bonds: C:P.86, C:T.88, C:T.88, C:S.139, C:S.139, C:T.140, C:T.140, C:E.190, E.8, E.8, E.8 Water bridges: C:T.88, C:L.135, C:E.190 Salt bridges: C:R.93

5 x ZN: ZINC ION(Non-covalent)

ZN.2: 4 residues within 4Å: Chain A: E.39, H.43 Chain C: A.162, E.163 5 PLIP interactions: 2 interactions with chain C, 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: C:E.163, C:E.163, A:E.39, A:H.43, H2O.1 ZN.3: 1 residues within 4Å: Chain A: H.20 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:H.20 ZN.6: 3 residues within 4Å: Chain B: E.39, K.42, H.43 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:E.39, B:H.43 ZN.9: 3 residues within 4Å: Chain C: K.17, H.20, E.27 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:H.20, C:E.27 ZN.10: 4 residues within 4Å: Chain C: E.39, H.43, L.238, Q.241 3 PLIP interactions: 3 interactions with chain C Metal complexes: C:E.39, C:E.39, C:H.43

3 x TRU: 6-CHLORO-3-(DICHLOROMETHYL)-3,4-DIHYDRO-2H-1,2,4-BENZOTHIADIAZINE-7-SULFONAMIDE 1,1-DIOXIDE(Non-covalent)

TRU.4: 13 residues within 4Å: Chain A: K.101, P.102, F.103, M.104, S.105, L.236, S.239, L.244, D.245, K.248 Chain B: I.89, S.214, K.215 7 PLIP interactions: 4 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:L.244 Hydrogen bonds: A:S.105, A:S.239, A:S.239, B:S.214, B:S.214 Water bridges: B:K.215 TRU.7: 13 residues within 4Å: Chain A: I.89, S.214, K.215 Chain B: K.101, P.102, F.103, M.104, S.105, L.236, S.239, L.244, D.245, K.248 5 PLIP interactions: 1 interactions with chain A, 4 interactions with chain B Hydrogen bonds: A:S.214, B:S.105, B:S.239, B:S.239 Hydrophobic interactions: B:L.244 TRU.11: 4 residues within 4Å: Chain C: I.89, S.105, S.214, K.215 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:S.214

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ptak, C.P. et al., Probing the allosteric modulator binding site of GluR2 with thiazide derivatives. Biochemistry (2009)

Release Date

2009-09-15

Peptides

Glutamate receptor 2: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
E

C
H

Glutamate receptor 2

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