SMTL ID : 8x43.1

human KCNQ2-CaM-Ebio1-S1 complex in the presence of PIP2

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

4 x 7Q0: N-(4-azanyl-1,2-dihydroacenaphthylen-5-yl)-4-fluoranyl-benzamide(Non-covalent)

7Q0.1: 17 residues within 4Å: Chain A: L.237, I.238, V.240, S.241, F.242, L.245 Chain G: L.159, V.163, L.170, A.173, W.174, G.177, F.178, F.243, P.246, A.247, L.250 7 PLIP interactions: 6 interactions with chain G, 1 interactions with chain A Hydrophobic interactions: G:F.243, G:P.246, G:L.250 Hydrogen bonds: G:W.174, G:F.243, A:L.237 pi-Stacking: G:W.174 7Q0.2: 17 residues within 4Å: Chain A: L.159, V.163, L.170, A.173, W.174, G.177, F.178, F.243, P.246, A.247, L.250 Chain C: L.237, I.238, V.240, S.241, F.242, L.245 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain C Hydrophobic interactions: A:F.243, A:P.246, A:L.250 Hydrogen bonds: A:W.174, A:F.243, C:L.237 pi-Stacking: A:W.174 7Q0.3: 17 residues within 4Å: Chain C: L.159, V.163, L.170, A.173, W.174, G.177, F.178, F.243, P.246, A.247, L.250 Chain E: L.237, I.238, V.240, S.241, F.242, L.245 7 PLIP interactions: 6 interactions with chain C, 1 interactions with chain E Hydrophobic interactions: C:F.243, C:P.246, C:L.250 Hydrogen bonds: C:W.174, C:F.243, E:L.237 pi-Stacking: C:W.174 7Q0.4: 17 residues within 4Å: Chain E: L.159, V.163, L.170, A.173, W.174, G.177, F.178, F.243, P.246, A.247, L.250 Chain G: L.237, I.238, V.240, S.241, F.242, L.245 7 PLIP interactions: 6 interactions with chain E, 1 interactions with chain G Hydrophobic interactions: E:F.243, E:P.246, E:L.250 Hydrogen bonds: E:W.174, E:F.243, G:L.237 pi-Stacking: E:W.174

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, S. et al., A small-molecule activation mechanism that directly opens the KCNQ2 channel. Nat.Chem.Biol. (2024)

Release Date

2024-01-17

Peptides

Potassium voltage-gated channel subfamily KQT member 2: ACEG
Calmodulin-1: BDFH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

E
E

G
G

B
B

D
D

F
F

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-1

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