SMTL ID : 1p1o.1

Crystal structure of the GluR2 ligand-binding core (S1S2J) mutant L650T in complex with quisqualate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

homo-dimer

Ligands

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 3 residues within 4Å: Chain A: L.26, E.27, R.31 3 PLIP interactions: 3 interactions with chain A Water bridges: A:E.27, A:R.31 Salt bridges: A:R.31 SO4.2: 5 residues within 4Å: Chain A: A.63, D.139, S.140, K.144, R.148 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:D.139, A:S.140 Water bridges: A:S.140, A:E.145 Salt bridges: A:K.144, A:R.148 SO4.4: 3 residues within 4Å: Chain B: L.26, E.27, R.31 3 PLIP interactions: 3 interactions with chain B Water bridges: B:E.27, B:R.31 Salt bridges: B:R.31 SO4.5: 5 residues within 4Å: Chain B: A.63, D.139, S.140, K.144, R.148 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:D.139, B:S.140 Water bridges: B:S.140, B:E.145 Salt bridges: B:K.144, B:R.148

2 x QUS: (S)-2-AMINO-3-(3,5-DIOXO-[1,2,4]OXADIAZOLIDIN-2-YL)-PROPIONIC ACID(Non-covalent)

QUS.3: 12 residues within 4Å: Chain A: Y.61, P.89, L.90, T.91, R.96, G.141, S.142, T.143, L.192, E.193, M.196, Y.220 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:T.91, A:T.91, A:S.142, A:T.143, A:T.143, A:T.143, A:E.193 Water bridges: A:T.138, A:T.138, A:K.144 Salt bridges: A:R.96 pi-Stacking: A:Y.61 QUS.6: 12 residues within 4Å: Chain B: Y.61, P.89, L.90, T.91, R.96, G.141, S.142, T.143, L.192, E.193, M.196, Y.220 12 PLIP interactions: 12 interactions with chain B Hydrogen bonds: B:T.91, B:T.91, B:S.142, B:T.143, B:T.143, B:T.143, B:E.193 Water bridges: B:T.138, B:T.138, B:K.144 Salt bridges: B:R.96 pi-Stacking: B:Y.61

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Armstrong, N. et al., Tuning activation of the AMPA-sensitive GluR2 ion channel by genetic adjustment of agonist-induced conformational changes. Proc.Natl.Acad.Sci.USA (2003)

Release Date

2003-06-10

Peptides

Glutamate receptor 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Glutamate receptor 2

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