SMTL ID : 9e4y.1

GluA2-gamma2 complex bound to memantine, glutamate, and cyclothiazide

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY 4.30 Å

Oligo State

hetero-4-4-mer

Ligands

1 x 377: Memantine(Non-covalent)

377.1: 4 residues within 4Å: Chain A: T.608 Chain B: Q.577 Chain D: Q.577, I.604 4 PLIP interactions: 2 interactions with chain D, 1 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: D:Q.577, D:I.604, A:T.608 Hydrogen bonds: B:Q.577

4 x GLU: GLUTAMIC ACID(Non-covalent)

GLU.2: 11 residues within 4Å: Chain A: Y.441, P.469, L.470, T.471, R.476, L.641, G.644, S.645, T.646, E.696, Y.723 10 PLIP interactions: 8 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:Y.441, A:L.641 Hydrogen bonds: A:T.471, A:S.645, A:T.646, A:Y.723, E.2, E.2 Salt bridges: A:R.476, A:K.721 GLU.5: 10 residues within 4Å: Chain B: Y.441, P.469, L.470, T.471, R.476, L.641, G.644, S.645, T.646, E.696 12 PLIP interactions: 11 interactions with chain B, 1 Ligand-Ligand interactions Hydrophobic interactions: B:Y.441, B:L.641 Hydrogen bonds: B:P.469, B:T.471, B:G.644, B:S.645, B:T.646, B:K.647, B:E.696, B:E.696, E.5 Salt bridges: B:R.476 GLU.7: 12 residues within 4Å: Chain C: Y.441, P.469, L.470, T.471, R.476, L.641, G.644, S.645, T.646, K.647, L.694, E.696 11 PLIP interactions: 11 interactions with chain C, Hydrophobic interactions: C:L.641 Hydrogen bonds: C:P.469, C:T.471, C:L.641, C:S.645, C:S.645, C:T.646, C:T.646, C:K.647, C:L.694 Salt bridges: C:R.476 GLU.9: 11 residues within 4Å: Chain D: Y.441, P.469, L.470, T.471, R.476, L.641, G.644, S.645, T.646, K.647, E.696 10 PLIP interactions: 8 interactions with chain D, 2 Ligand-Ligand interactions Hydrophobic interactions: D:L.641 Hydrogen bonds: D:T.471, D:T.471, D:G.644, D:S.645, D:T.646, D:K.647, E.9, E.9 Salt bridges: D:R.476

4 x CYZ: CYCLOTHIAZIDE(Covalent)

CYZ.3: 11 residues within 4Å: Chain A: P.485, S.488, D.719, S.720 Chain D: P.485, F.486, M.487, S.488, L.742, L.750, D.751 9 PLIP interactions: 7 interactions with chain D, 2 interactions with chain A Hydrophobic interactions: D:P.485, D:M.487, D:L.742, D:L.750, A:P.485 Hydrogen bonds: D:P.485, D:S.488, A:D.719 Halogen bonds: D:D.751 CYZ.4: 11 residues within 4Å: Chain A: P.485, F.486, M.487, S.488, L.742, D.751, K.754 Chain D: S.488, S.720, K.721, G.722 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain D Hydrophobic interactions: A:M.487, A:L.742 Hydrogen bonds: A:S.488, D:S.720 Halogen bonds: A:D.751 CYZ.6: 12 residues within 4Å: Chain B: P.485, F.486, M.487, S.488, L.742, L.750, D.751 Chain C: I.472, P.485, S.488, S.720 Ligands: CYZ.8 7 PLIP interactions: 3 interactions with chain C, 4 interactions with chain B Hydrophobic interactions: C:I.472, C:P.485, B:L.742, B:L.750 Hydrogen bonds: C:S.720, B:P.485, B:S.488 CYZ.8: 12 residues within 4Å: Chain B: S.488, S.720, K.721, G.722 Chain C: P.485, F.486, M.487, S.488, L.742, D.751, K.754 Ligands: CYZ.6 7 PLIP interactions: 4 interactions with chain C, 3 interactions with chain B Hydrophobic interactions: C:M.487, C:L.742, B:K.721 Hydrogen bonds: C:S.488, B:S.488, B:S.720 Halogen bonds: C:D.751

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Carrillo, E. et al., Memantine inhibits calcium-permeable AMPA receptors. Nat Commun (2025)

Release Date

2025-06-25

Peptides

Isoform Flip of Glutamate receptor 2: ABCD
Voltage-dependent calcium channel gamma-2 subunit: EFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

Membrane

We predict this structure to be a membrane protein.
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Isoform Flip of Glutamate receptor 2

Voltage-dependent calcium channel gamma-2 subunit

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