SMTL ID : 7cr2.1

human KCNQ2 in complex with retigabine

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

4 x FBX: ethyl N-[2-azanyl-4-[(4-fluorophenyl)methylamino]phenyl]carbamate(Non-covalent)

FBX.1: 11 residues within 4Å: Chain A: W.174, G.177, F.178, L.181, F.243, P.246, L.250 Chain B: L.237, I.238, S.241, F.242 8 PLIP interactions: 5 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:F.178, A:L.181, A:F.243, B:L.237 Hydrogen bonds: A:F.243, B:S.241, B:S.241 pi-Stacking: A:F.178 FBX.2: 11 residues within 4Å: Chain B: W.174, G.177, F.178, L.181, F.243, P.246, L.250 Chain C: L.237, I.238, S.241, F.242 7 PLIP interactions: 3 interactions with chain C, 4 interactions with chain B Hydrophobic interactions: C:L.237, B:F.178, B:F.243 Hydrogen bonds: C:S.241, C:S.241, B:F.243 pi-Stacking: B:F.178 FBX.3: 11 residues within 4Å: Chain C: W.174, G.177, F.178, L.181, F.243, P.246, L.250 Chain D: L.237, I.238, S.241, F.242 7 PLIP interactions: 3 interactions with chain D, 4 interactions with chain C Hydrophobic interactions: D:L.237, C:F.178, C:F.243 Hydrogen bonds: D:S.241, D:S.241, C:F.243 pi-Stacking: C:F.178 FBX.4: 11 residues within 4Å: Chain A: L.237, I.238, S.241, F.242 Chain D: W.174, G.177, F.178, L.181, F.243, P.246, L.250 7 PLIP interactions: 4 interactions with chain D, 3 interactions with chain A Hydrophobic interactions: D:F.178, D:F.243, A:L.237 Hydrogen bonds: D:F.243, A:S.241, A:S.241 pi-Stacking: D:F.178

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, X. et al., Molecular basis for ligand activation of the human KCNQ2 channel. Cell Res. (2021)

Release Date

2020-09-16

Peptides

Potassium voltage-gated channel subfamily KQT member 2: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Membrane

We predict this structure to be a membrane protein.
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Potassium voltage-gated channel subfamily KQT member 2

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