SMTL ID : 3rn8.1 (1 other biounit)

Crystal Structure of iGluR2 Ligand Binding Domain and Symmetrical Carboxyl Containing Potentiator

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x GLU: GLUTAMIC ACID(Non-covalent)

GLU.1: 11 residues within 4Å: Chain A: Y.62, P.90, L.91, T.92, R.97, L.139, G.142, S.143, T.144, E.194, Y.221 15 PLIP interactions: 12 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:Y.62, A:L.139 Hydrogen bonds: A:P.90, A:T.92, A:S.143, A:T.144, A:T.144, A:E.194, A:E.194, E.1, E.1, E.1 Water bridges: A:L.139, A:K.145 Salt bridges: A:R.97 GLU.3: 11 residues within 4Å: Chain B: Y.62, P.90, L.91, T.92, R.97, L.139, G.142, S.143, T.144, E.194, Y.221 14 PLIP interactions: 11 interactions with chain B, 3 Ligand-Ligand interactions Hydrophobic interactions: B:Y.62, B:L.139 Hydrogen bonds: B:P.90, B:T.92, B:T.92, B:S.143, B:T.144, B:T.144, E.3, E.3, E.3 Water bridges: B:L.139, B:E.194 Salt bridges: B:R.97

1 x RN8: 3,3'-benzene-1,4-diylbis(4-cyano-5-ethylthiophene-2-carboxylic acid)(Non-covalent)

RN8.2: 21 residues within 4Å: Chain A: I.93, P.106, F.107, M.108, S.109, S.218, K.219, G.220, V.239, L.240, N.243 Chain B: I.93, P.106, F.107, M.108, S.109, S.218, K.219, G.220, L.240, N.243 16 PLIP interactions: 9 interactions with chain B, 7 interactions with chain A Hydrophobic interactions: B:P.106, B:L.240, B:N.243, A:P.106, A:V.239, A:L.240, A:N.243 Hydrogen bonds: B:F.107, B:S.109, A:F.107, A:S.109 Water bridges: B:S.109, B:S.218, B:S.218, B:G.220, A:G.220

2 x ZN: ZINC ION(Non-covalent)

ZN.4: 2 residues within 4Å: Chain B: D.66, D.68 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.66, B:D.66, H2O.16, H2O.21 ZN.5: 3 residues within 4Å: Chain B: E.43, H.47, L.242 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:E.43, B:H.47

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.6: 4 residues within 4Å: Chain B: R.181, S.185, K.188, Y.189 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:Y.189 Hydrogen bonds: B:S.185, B:S.185 Water bridges: B:R.181 Salt bridges: B:R.181

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Timm, D.E. et al., Structural and functional analysis of two new positive allosteric modulators of GluA2 desensitization and deactivation. Mol.Pharmacol. (2011)

Release Date

2011-05-25

Peptides

Glutamate receptor 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

Glutamate receptor 2

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