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

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 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 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:T.88, A:T.88, A:S.139, A:T.140, A:T.140, E.1, E.1, E.1 Water bridges: A:L.135, 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 13 PLIP interactions: 10 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, E.4, E.4, E.4 Water bridges: B:E.190 Salt bridges: B:R.93

2 x HFZ: 6-(trifluoromethyl)-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide(Non-covalent)

HFZ.2: 14 residues within 4Å: Chain A: K.101, P.102, F.103, M.104, S.105, L.236, S.239 Chain B: I.89, P.102, S.105, S.214, K.215, G.216 Ligands: HFZ.5 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:S.105, A:S.105, A:S.239, A:S.239, B:G.216 HFZ.5: 14 residues within 4Å: Chain A: I.89, P.102, S.105, S.214, K.215, G.216 Chain B: K.101, P.102, F.103, M.104, S.105, L.236, S.239 Ligands: HFZ.2 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:I.89, A:S.105, A:G.216, B:S.239, B:S.239

4 x ZN: ZINC ION(Non-covalent)

ZN.3: 3 residues within 4Å: Chain A: E.39, H.43, L.238 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.39, A:H.43 ZN.6: 2 residues within 4Å: Chain B: D.62, D.64 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.62, B:D.62 ZN.7: 2 residues within 4Å: Chain B: E.39, H.43 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.43, H2O.14 ZN.8: 2 residues within 4Å: Chain B: H.20, E.21 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:H.20, B:E.21, B:E.21

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: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
E

Glutamate receptor 2

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