SMTL ID : 3m3l.2 (1 other biounit)

PEPA bound to the ligand binding domain of GluA2 (flop form)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

homo-dimer

Ligands

2 x GLU: GLUTAMIC ACID(Non-covalent)

GLU.1: 11 residues within 4Å: Chain A: Y.58, P.86, L.87, T.88, R.93, L.135, G.138, S.139, T.140, E.190, Y.217 15 PLIP interactions: 12 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:Y.58, A:L.135 Hydrogen bonds: A:P.86, A:T.88, A:S.139, A:T.140, A:T.140, A:E.190, E.1, E.1, E.1 Water bridges: A:L.135, A:L.135, A:E.190 Salt bridges: A:R.93 GLU.4: 11 residues within 4Å: Chain B: Y.58, P.86, L.87, T.88, R.93, L.135, G.138, S.139, T.140, E.190, Y.217 16 PLIP interactions: 13 interactions with chain B, 3 Ligand-Ligand interactions Hydrophobic interactions: B:Y.58, B:L.135 Hydrogen bonds: B:P.86, B:T.88, B:T.88, B:S.139, B:T.140, B:T.140, B:E.190, E.4, E.4, E.4 Water bridges: B:L.135, B:L.135, B:E.190 Salt bridges: B:R.93

2 x P99: 2-[2,6-difluoro-4-({2-[(phenylsulfonyl)amino]ethyl}sulfanyl)phenoxy]acetamide(Non-covalent)

P99.2: 18 residues within 4Å: Chain A: I.89, P.102, F.103, M.104, S.105, K.215, G.216, N.239 Chain B: K.101, P.102, M.104, S.105, S.214, K.215, G.216, L.236, N.239 Ligands: P99.5 9 PLIP interactions: 6 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:K.101, B:P.102, B:L.236, B:N.239, A:K.215 Hydrogen bonds: B:P.102, B:S.214, A:N.239, A:N.239 P99.5: 18 residues within 4Å: Chain A: K.101, P.102, M.104, S.105, S.214, K.215, G.216, L.236, N.239 Chain B: I.89, P.102, F.103, M.104, S.105, K.215, G.216, N.239 Ligands: P99.2 9 PLIP interactions: 3 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:K.215, A:K.101, A:P.102, A:L.236, A:N.239 Hydrogen bonds: B:N.239, B:N.239, A:P.102, A:S.214

2 x ZN: ZINC ION(Non-covalent)

ZN.3: 6 residues within 4Å: Chain A: E.39, K.42, H.43, L.238, Q.241, L.243 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.39, A:E.39, A:H.43 ZN.6: 6 residues within 4Å: Chain B: E.39, K.42, H.43, L.238, Q.241, L.243 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:E.39, B:E.39, B:H.43

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ahmed, A.H. et al., Molecular mechanism of flop selectivity and subsite recognition for an AMPA receptor allosteric modulator: structures of GluA2 and GluA3 in complexes with PEPA. Biochemistry (2010)

Release Date

2010-03-23

Peptides

Glutamate receptor 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
G

B
G

Glutamate receptor 2

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