SMTL ID : 3il1.1 (1 other biounit)

Crystal structure of the AMPA subunit GluR2 bound to the allosteric modulator, IDRA-21

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 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, A:E.190, E.1, E.1, E.1 Water bridges: A:K.141 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 15 PLIP interactions: 12 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:T.88, B:S.139, B:T.140, B:T.140, E.5, E.5, E.5 Water bridges: B:K.141, B:E.190 Salt bridges: B:R.93

3 x ZN: ZINC ION(Non-covalent)

ZN.2: 3 residues within 4Å: Chain A: E.39, K.42, H.43 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.39, A:H.43 ZN.6: 3 residues within 4Å: Chain B: E.39, H.43, L.238 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:E.39, B:H.43 ZN.7: 1 residues within 4Å: Chain B: D.62 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.62, B:D.62

2 x B5D: (3S)-7-chloro-3-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide(Non-covalent)

B5D.3: 11 residues within 4Å: Chain A: K.101, P.102, V.235, S.239 Chain B: I.89, P.102, S.105, S.214, K.215, G.216 Ligands: B5D.4 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:V.235, B:P.102 Hydrogen bonds: A:P.102, A:S.239, A:S.239, B:G.216 B5D.4: 12 residues within 4Å: Chain A: I.89, P.102, S.105, S.214, K.215, G.216 Chain B: K.101, P.102, V.235, L.236, S.239 Ligands: B5D.3 7 PLIP interactions: 5 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:V.235, B:L.236, A:P.102 Hydrogen bonds: B:P.102, B:S.239, B:S.239, A:G.216

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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