SMTL ID : 4f22.1

Kainate bound to the K660A mutant of the ligand binding domain of GluA3

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.06 Å

Oligo State

homo-dimer

Ligands

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

KAI.1: 12 residues within 4Å: Chain A: E.10, Y.58, P.86, L.87, T.88, R.93, L.135, G.138, S.139, T.140, E.190, M.193 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:Y.58, A:L.135 Hydrogen bonds: A:T.88, A:S.139, A:T.140, A:T.140, A:E.190 Water bridges: A:S.137, A:A.141, A:A.141, A:E.190, A:E.190 Salt bridges: A:R.93 KAI.3: 12 residues within 4Å: Chain B: E.10, Y.58, P.86, L.87, T.88, R.93, L.135, G.138, S.139, T.140, E.190, M.193 13 PLIP interactions: 13 interactions with chain B Hydrophobic interactions: B:Y.58, B:L.135 Hydrogen bonds: B:T.88, B:T.88, B:S.139, B:T.140, B:E.190 Water bridges: B:S.137, B:A.141, B:A.141, B:E.190, B:E.190 Salt bridges: B:R.93

2 x ZN: ZINC ION(Non-covalent)

ZN.2: 2 residues within 4Å: Chain A: H.20, E.21 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:H.20 ZN.4: 2 residues within 4Å: Chain B: H.20, E.21 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:H.20

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Holley, S.M. et al., The loss of an electrostatic contact unique to AMPA receptor ligand binding domain 2 slows channel activation. Biochemistry (2012)

Release Date

2012-05-16

Peptides

Glutamate receptor 3: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Glutamate receptor 3