SMTL ID : 1m5f.3 (2 other biounits)

X-RAY STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J-Y702F) IN COMPLEX WITH ACPA AT 1.95 A RESOLUTION

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-trimer

Ligands

6 x ZN: ZINC ION(Non-covalent)

ZN.1: 3 residues within 4Å: Chain A: E.42, K.45, H.46 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.42, A:H.46 ZN.3: 3 residues within 4Å: Chain A: D.65, D.67 Chain B: H.23 5 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: A:D.65, A:D.65, B:H.23, H2O.10, H2O.19 ZN.6: 4 residues within 4Å: Chain B: E.42, H.46 Chain C: E.166 Ligands: ZN.9 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain C Metal complexes: B:E.42, B:H.46, C:E.166, C:E.166 ZN.7: 5 residues within 4Å: Chain A: H.23, E.24 Chain C: K.20, H.23, E.30 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain C Metal complexes: A:H.23, A:E.24, C:H.23, C:E.30 ZN.8: 5 residues within 4Å: Chain C: E.42, K.45, H.46, L.241, Q.244 3 PLIP interactions: 2 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:E.42, C:H.46, H2O.33 ZN.9: 5 residues within 4Å: Chain B: H.46 Chain C: E.166, S.168 Ligands: ACT.5, ZN.6 No protein-ligand interaction detected (PLIP)

3 x AM1: (S)-2-AMINO-3-(3-CARBOXY-5-METHYLISOXAZOL-4-YL)PROPIONIC ACID(Non-covalent)

AM1.2: 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 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:Y.61, A:Y.61, A:P.89 Hydrogen bonds: A:P.89, A:T.91, A:T.91, A:S.142, A:S.142, A:T.143, A:T.143, A:E.193, A:E.193 Water bridges: A:L.138, A:L.138, A:L.138 Salt bridges: A:R.96 AM1.4: 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 15 PLIP interactions: 15 interactions with chain B Hydrophobic interactions: B:Y.61, B:Y.61, B:P.89, B:L.138 Hydrogen bonds: B:P.89, B:T.91, B:S.142, B:S.142, B:T.143, B:T.143, B:E.193 Water bridges: B:L.138, B:L.138, B:L.138 Salt bridges: B:R.96 AM1.10: 14 residues within 4Å: Chain C: Y.61, P.89, L.90, T.91, R.96, L.138, G.141, S.142, T.143, L.191, L.192, E.193, M.196, Y.220 13 PLIP interactions: 13 interactions with chain C Hydrophobic interactions: C:Y.61, C:Y.61, C:P.89, C:L.138 Hydrogen bonds: C:T.91, C:S.142, C:S.142, C:T.143, C:T.143, C:E.193, C:E.193 Water bridges: C:L.138 Salt bridges: C:R.96

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.5: 4 residues within 4Å: Chain B: K.45 Chain C: K.144, F.170 Ligands: ZN.9 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain B Water bridges: C:S.168 Salt bridges: C:K.144, B:K.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hogner, A. et al., Structural Basis for AMPA Receptor Activation and Ligand Selectivity: Crystal Structures of Five Agonist Complexes with the GluR2 Ligand-binding Core. J.Mol.Biol. (2002)

Release Date

2002-09-18

Peptides

Glutamate receptor 2: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
A

C
B

Glutamate receptor 2

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