SMTL ID : 1lbc.4 (4 other biounits)

Crystal structure of GluR2 ligand binding core (S1S2J-N775S) in complex with cyclothiazide (CTZ) as well as glutamate at 1.8 A resolution

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-trimer

Ligands

5 x ZN: ZINC ION(Non-covalent)

ZN.1: 2 residues within 4Å: Chain A: D.65 Chain B: H.23 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A Metal complexes: B:H.23, A:D.65, A:D.65 ZN.2: 4 residues within 4Å: Chain A: E.42, H.46, L.241, Q.244 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:E.42 ZN.5: 4 residues within 4Å: Chain B: E.42, H.46, L.241 Chain C: E.166 5 PLIP interactions: 2 interactions with chain B, 2 interactions with chain C, 1 Ligand-Water interactions Metal complexes: B:E.42, B:H.46, C:E.166, C:E.166, H2O.7 ZN.8: 4 residues within 4Å: Chain A: H.23 Chain C: K.20, H.23, E.30 5 PLIP interactions: 1 interactions with chain A, 3 interactions with chain C, 1 Ligand-Water interactions Metal complexes: A:H.23, C:H.23, C:E.30, C:E.30, H2O.12 ZN.9: 5 residues within 4Å: Chain C: E.42, K.45, H.46, L.241, Q.244 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:E.42, C:H.46

3 x GLU: GLUTAMIC ACID(Non-covalent)

GLU.3: 11 residues within 4Å: Chain A: Y.61, P.89, L.90, T.91, R.96, L.138, G.141, S.142, T.143, E.193, Y.220 16 PLIP interactions: 13 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:Y.61, A:L.138 Hydrogen bonds: A:P.89, A:T.91, A:T.91, A:T.91, A:S.142, A:T.143, A:T.143, E.3, E.3, E.3 Water bridges: A:L.138, A:L.138, A:E.193 Salt bridges: A:R.96 GLU.6: 11 residues within 4Å: Chain B: Y.61, P.89, L.90, T.91, R.96, L.138, G.141, S.142, T.143, E.193, Y.220 15 PLIP interactions: 12 interactions with chain B, 3 Ligand-Ligand interactions Hydrophobic interactions: B:Y.61, B:L.138 Hydrogen bonds: B:P.89, B:T.91, B:S.142, B:T.143, B:T.143, B:E.193, E.6, E.6, E.6 Water bridges: B:L.138, B:K.144, B:E.193 Salt bridges: B:R.96 GLU.10: 11 residues within 4Å: Chain C: Y.61, P.89, L.90, T.91, R.96, L.138, G.141, S.142, T.143, E.193, Y.220 15 PLIP interactions: 12 interactions with chain C, 3 Ligand-Ligand interactions Hydrophobic interactions: C:Y.61, C:L.138 Hydrogen bonds: C:P.89, C:T.91, C:S.142, C:T.143, C:T.143, C:E.193, C:E.193, E.10, E.10, E.10 Water bridges: C:L.138, C:L.138 Salt bridges: C:R.96

3 x CYZ: CYCLOTHIAZIDE(Non-covalent)

CYZ.4: 10 residues within 4Å: Chain A: K.104, P.105, F.106, M.107, S.108, L.239, S.242, L.247, D.248, K.251 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:K.104, A:L.239, A:L.247 Hydrogen bonds: A:S.108, A:S.242, A:S.242 Water bridges: A:S.108, A:S.108 CYZ.7: 10 residues within 4Å: Chain B: K.104, P.105, F.106, M.107, S.108, L.239, S.242, L.247, D.248, K.251 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:K.104, B:L.239, B:L.247 Hydrogen bonds: B:S.108, B:S.242, B:S.242 CYZ.11: 10 residues within 4Å: Chain C: K.104, P.105, F.106, M.107, S.108, L.239, S.242, L.247, D.248, K.251 8 PLIP interactions: 8 interactions with chain C Hydrophobic interactions: C:K.104, C:L.239, C:L.247 Hydrogen bonds: C:S.108, C:S.242, C:S.242 Water bridges: C:S.108, C:K.251

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sun, Y. et al., Mechanism of glutamate receptor desensitization. Nature (2002)

Release Date

2002-05-29

Peptides

Glutamine Receptor 2: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
A

C
B

Glutamine Receptor 2

Related Entries With Identical Sequence