SMTL ID : 9rn4.1

GluA4 in complex with TARP-2, desensitized state, structure of TMD/LBD domains

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

4 x PLM: PALMITIC ACID(Covalent)

PLM.1: 11 residues within 4Å: Chain A: V.802, G.806, M.809, L.810, L.813, I.814, C.817 Chain E: I.140, S.144, L.147, I.151 8 PLIP interactions: 5 interactions with chain A, 3 interactions with chain E Hydrophobic interactions: A:V.802, A:M.809, A:L.810, A:L.813, A:L.813, E:I.140, E:L.147, E:I.151 PLM.4: 7 residues within 4Å: Chain B: G.806, M.809, L.810, L.813, C.817 Chain H: S.144, S.148 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:M.809, B:L.810, B:L.813 PLM.6: 9 residues within 4Å: Chain C: G.806, M.809, L.810, L.813, C.817 Chain G: L.110, S.144, L.147, S.148 4 PLIP interactions: 2 interactions with chain C, 2 interactions with chain G Hydrophobic interactions: C:L.813, C:L.813, G:L.110, G:L.147 PLM.8: 6 residues within 4Å: Chain D: M.809, L.810, L.813, C.817 Chain F: F.107, S.148 4 PLIP interactions: 3 interactions with chain D, 1 interactions with chain F Hydrophobic interactions: D:M.809, D:L.810, D:L.813, F:F.107

1 x CA: CALCIUM ION(Non-functional Binders)

CA.2: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

4 x OLC: (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate(Non-covalent)

OLC.3: 9 residues within 4Å: Chain A: F.517, F.576, L.583, I.800 Chain D: L.598, R.601, G.605, V.606, F.609 7 PLIP interactions: 4 interactions with chain D, 3 interactions with chain A Hydrophobic interactions: D:L.598, D:R.601, D:V.606, D:F.609, A:F.576, A:L.583, A:I.800 OLC.5: 7 residues within 4Å: Chain A: R.601, G.605 Chain B: F.517, L.520, W.580, L.583, I.800 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:L.520, B:W.580, B:L.583, B:I.800 OLC.7: 9 residues within 4Å: Chain B: R.601, G.605, F.609 Chain C: F.517, F.576, L.579, W.580, L.583, I.800 6 PLIP interactions: 3 interactions with chain C, 3 interactions with chain B Hydrophobic interactions: C:F.576, C:W.580, C:I.800, B:R.601, B:F.609, B:F.609 OLC.9: 8 residues within 4Å: Chain C: G.605, V.606, F.609 Chain D: F.517, L.579, W.580, L.583, I.800 6 PLIP interactions: 2 interactions with chain C, 4 interactions with chain D Hydrophobic interactions: C:V.606, C:F.609, D:L.579, D:W.580, D:L.583, D:I.800

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Vega-Gutierrez, C. et al., GluA4 AMPA receptor gating mechanisms and modulation by auxiliary subunits. Nat.Struct.Mol.Biol. (2025)

Release Date

2025-09-24

Peptides

Isoform 2 of Glutamate receptor 4: 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 2 of Glutamate receptor 4

Voltage-dependent calcium channel gamma-2 subunit

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