SMTL ID : 3t9v.1

CNQX bound to a reduced double cysteine mutant (A452C/S652C) of the ligand binding domain of GluA2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.98 Å

Oligo State

homo-dimer

Ligands

2 x CNI: 7-nitro-2,3-dioxo-2,3-dihydroquinoxaline-6-carbonitrile(Non-covalent)

CNI.1: 12 residues within 4Å: Chain A: E.10, Y.13, Y.58, P.86, L.87, T.88, R.93, T.171, E.190, T.192, M.193, Y.217 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:Y.58, A:Y.58, A:Y.217 Hydrogen bonds: A:E.10, A:T.88, A:R.93, A:R.93 Water bridges: A:T.88, A:S.139 pi-Stacking: A:Y.58 CNI.4: 12 residues within 4Å: Chain B: E.10, Y.13, Y.58, P.86, L.87, T.88, R.93, T.171, E.190, T.192, M.193, Y.217 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:Y.217 Hydrogen bonds: B:E.10, B:T.88, B:T.88, B:R.93, B:R.93, B:T.171 pi-Stacking: B:Y.58

4 x ZN: ZINC ION(Non-covalent)

ZN.2: 1 residues within 4Å: Chain A: H.20 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.20, H2O.7 ZN.3: 2 residues within 4Å: Chain A: E.39, H.43 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.39, A:E.39, A:H.43 ZN.5: 2 residues within 4Å: Chain B: H.20, E.21 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:H.20, B:E.21, H2O.14, H2O.18 ZN.6: 4 residues within 4Å: Chain B: E.39, H.43, L.238, Q.241 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:E.39, B:H.43

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ahmed, A.H. et al., Mechanism of AMPA Receptor Activation by Partial Agonists: DISULFIDE TRAPPING OF CLOSED LOBE CONFORMATIONS. J.Biol.Chem. (2011)

Release Date

2011-08-17

Peptides

Glutamate receptor 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Glutamate receptor 2

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