SMTL ID : 7cr7.1

human KCNQ2-CaM in complex with retigabine

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

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

FBX.1: 12 residues within 4Å: Chain A: W.174, G.177, F.178, L.181, F.243, A.244, P.246, L.250 Chain G: L.237, I.238, S.241, F.242 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain G Hydrophobic interactions: A:F.178, A:F.243 Hydrogen bonds: G:S.241, G:S.241, G:S.241 FBX.2: 12 residues within 4Å: Chain A: L.237, I.238, S.241, F.242 Chain C: W.174, G.177, F.178, L.181, F.243, A.244, P.246, L.250 5 PLIP interactions: 2 interactions with chain C, 3 interactions with chain A Hydrophobic interactions: C:F.178, C:F.243 Hydrogen bonds: A:S.241, A:S.241, A:S.241 FBX.3: 12 residues within 4Å: Chain C: L.237, I.238, S.241, F.242 Chain E: W.174, G.177, F.178, L.181, F.243, A.244, P.246, L.250 5 PLIP interactions: 2 interactions with chain E, 3 interactions with chain C Hydrophobic interactions: E:F.178, E:F.243 Hydrogen bonds: C:S.241, C:S.241, C:S.241 FBX.4: 12 residues within 4Å: Chain E: L.237, I.238, S.241, F.242 Chain G: W.174, G.177, F.178, L.181, F.243, A.244, P.246, L.250 5 PLIP interactions: 2 interactions with chain G, 3 interactions with chain E Hydrophobic interactions: G:F.178, G:F.243 Hydrogen bonds: E:S.241, E:S.241, E:S.241

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: ACEG
Calmodulin-3: BDFH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
B

E
D

G
G

B
F

D
C

F
E

H
H

Membrane

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

Calmodulin-3

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