SMTL ID : 9ixz.1

human KCNQ2-CaM-Ebio3 Complex in the Presence of PIP2

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

4 x 01: ~{N}-[7-[bis(fluoranyl)methoxy]-1-prop-2-ynyl-indazol-3-yl]-2-propyl-pentanamide

01.1: 18 residues within 4Å: Chain A: L.158, V.162, L.169, A.172, W.173, G.176, F.177, F.241, F.242, L.244, P.245, A.246, L.249 Chain D: L.236, I.237, S.240, F.241, L.244 9 PLIP interactions: 5 interactions with chain D, 4 interactions with chain A Hydrophobic interactions: D:L.236, D:I.237, D:F.241, A:W.173, A:P.245, A:L.249 Hydrogen bonds: D:S.240, D:S.240, A:W.173 01.2: 18 residues within 4Å: Chain A: L.236, I.237, S.240, F.241, L.244 Chain B: L.158, V.162, L.169, A.172, W.173, G.176, F.177, F.241, F.242, L.244, P.245, A.246, L.249 9 PLIP interactions: 5 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:L.236, A:I.237, A:F.241, B:W.173, B:P.245, B:L.249 Hydrogen bonds: A:S.240, A:S.240, B:W.173 01.3: 18 residues within 4Å: Chain B: L.236, I.237, S.240, F.241, L.244 Chain C: L.158, V.162, L.169, A.172, W.173, G.176, F.177, F.241, F.242, L.244, P.245, A.246, L.249 9 PLIP interactions: 5 interactions with chain B, 4 interactions with chain C Hydrophobic interactions: B:L.236, B:I.237, B:F.241, C:W.173, C:P.245, C:L.249 Hydrogen bonds: B:S.240, B:S.240, C:W.173 01.4: 18 residues within 4Å: Chain C: L.236, I.237, S.240, F.241, L.244 Chain D: L.158, V.162, L.169, A.172, W.173, G.176, F.177, F.241, F.242, L.244, P.245, A.246, L.249 9 PLIP interactions: 5 interactions with chain C, 4 interactions with chain D Hydrophobic interactions: C:L.236, C:I.237, C:F.241, D:W.173, D:P.245, D:L.249 Hydrogen bonds: C:S.240, C:S.240, D:W.173

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, J. et al., Small molecule inhibits KCNQ channels with a non-blocking mechanism. Nat.Chem.Biol. (2025)

Release Date

2025-03-19

Peptides

Isoform 3 of Potassium voltage-gated channel subfamily KQT member 2: ABCD
Calmodulin-1: 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 3 of Potassium voltage-gated channel subfamily KQT member 2

Calmodulin-1

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