SMTL ID : 3ik6.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-trimer

Ligands

3 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:S.139, A:T.140, A:T.140, A:E.190, E.1, E.1, E.1 Water bridges: A:L.135, A:E.190 Salt bridges: A:R.93 GLU.5: 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 16 PLIP interactions: 13 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:S.139, B:T.140, B:T.140, B:E.190, E.5, E.5, E.5 Water bridges: B:K.141, B:E.190, B:E.190 Salt bridges: B:R.93 GLU.8: 11 residues within 4Å: Chain C: 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 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:T.88, C:S.139, C:T.140, C:T.140, E.8, E.8, E.8 Water bridges: C:E.190 Salt bridges: C:R.93

3 x HCZ: 6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide(Covalent)(Non-covalent)

HCZ.2: 12 residues within 4Å: Chain A: K.101, P.102, S.105, L.236, S.239 Chain B: I.89, P.102, S.105, S.214, K.215, G.216 Ligands: HCZ.3 7 PLIP interactions: 3 interactions with chain A, 4 interactions with chain B Hydrogen bonds: A:S.105, A:S.239, A:S.239, B:S.105, B:S.105, B:G.216 Water bridges: B:S.214 HCZ.3: 13 residues within 4Å: Chain A: I.89, P.102, S.105, S.214, K.215, G.216 Chain B: K.101, P.102, M.104, S.105, L.236, S.239 Ligands: HCZ.2 6 PLIP interactions: 3 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:S.105, A:S.105, A:G.216, B:S.105, B:S.239, B:S.239 HCZ.9: 7 residues within 4Å: Chain C: K.101, P.102, F.103, M.104, S.105, L.236, S.239 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:S.105, C:S.105, C:S.239, C:S.239

5 x ZN: ZINC ION(Non-covalent)

ZN.4: 3 residues within 4Å: Chain A: E.39, H.43, L.238 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.39, A:E.39, A:H.43, H2O.6 ZN.6: 3 residues within 4Å: Chain B: E.39, H.43 Chain C: E.163 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain C Metal complexes: B:E.39, B:E.39, B:H.43, C:E.163, C:E.163 ZN.7: 1 residues within 4Å: Chain B: H.20 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:H.20 ZN.10: 3 residues within 4Å: Chain C: E.39, K.42, H.43 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:E.39, C:H.43 ZN.11: 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

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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