SMTL ID : 1mm6.1

crystal structure of the GluR2 ligand binding core (S1S2J) in complex with quisqualate in a non zinc crystal form at 2.15 angstroms resolution

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 5 residues within 4Å: Chain A: A.63, D.139, S.140, K.144, R.148 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:S.140 Water bridges: A:D.139, A:G.141, A:K.144, A:K.144, A:R.148 Salt bridges: A:K.144, A:R.148 SO4.4: 2 residues within 4Å: Chain B: M.19, R.31 2 PLIP interactions: 2 interactions with chain B Water bridges: B:R.31 Salt bridges: B:R.31 SO4.5: 6 residues within 4Å: Chain B: A.63, D.139, S.140, K.144, E.145, R.148 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:S.140, B:S.140, B:E.145 Water bridges: B:K.144, B:R.148, B:R.148 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.2: 13 residues within 4Å: Chain A: Y.61, P.89, L.90, T.91, R.96, L.138, G.141, S.142, T.143, L.192, E.193, M.196, Y.220 11 PLIP interactions: 11 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:L.138, A:K.144 Salt bridges: A:R.96 pi-Stacking: A:Y.61 QUS.6: 13 residues within 4Å: Chain B: Y.61, P.89, L.90, T.91, R.96, L.138, G.141, S.142, T.143, L.192, E.193, M.196, Y.220 11 PLIP interactions: 11 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:L.138, B:K.144 Salt bridges: B:R.96 pi-Stacking: B:Y.61

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 3 residues within 4Å: Chain A: H.46, K.240, Q.244 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:K.240, A:K.240, A:Q.244 Water bridges: A:H.46, A:H.46, A:Q.244 GOL.7: 5 residues within 4Å: Chain B: E.42, Q.244, G.245, L.246, K.249 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.42, B:Q.244

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jin, R. et al., Mechanism of activation and selectivity in a ligand-gated ion channel: Structural and functional studies of GluR2 and quisqualate. Biochemistry (2002)

Release Date

2003-02-04

Peptides

GLUTAMATE RECEPTOR 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

GLUTAMATE RECEPTOR 2

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