SMTL ID : 4e0w.1

Crystal structure of the kainate receptor GluK3 ligand binding domain in complex with kainate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.35 Å

Oligo State

monomer

Ligands

1 x KAI: 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE(Non-covalent)

KAI.1: 14 residues within 4Å: Chain A: E.15, K.62, Y.63, P.90, L.91, T.92, R.97, V.139, G.142, A.143, T.144, N.174, E.191, Y.217 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:Y.63, A:V.139 Hydrogen bonds: A:T.92, A:T.92, A:A.143, A:T.144, A:E.191, A:E.191, A:E.191 Water bridges: A:V.139, A:V.139, A:V.139, A:N.174 Salt bridges: A:R.97

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 3 residues within 4Å: Chain A: R.33, R.56, L.57 Ligand excluded by PLIP CL.3: 5 residues within 4Å: Chain A: Q.239, D.242, K.243, L.244, H.245 Ligand excluded by PLIP

2 x K: POTASSIUM ION(Non-covalent)

K.4: 3 residues within 4Å: Chain A: S.24, D.25, R.26 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.24, A:R.26, H2O.3, H2O.3 K.5: 2 residues within 4Å: Chain A: N.5, S.52 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:N.5, A:S.52, H2O.1

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Venskutonyte, R. et al., Kainate induces various domain closures in AMPA and kainate receptors. Neurochem Int (2012)

Release Date

2012-05-02

Peptides

Glutamate receptor, ionotropic kainate 3: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Glutamate receptor, ionotropic kainate 3

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