SMTL ID : 8j03.1

Human KCNQ2(F104A)-CaM-PIP2-CBD complex in state I

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

4 x P0T: cannabidiol(Covalent)

P0T.1: 15 residues within 4Å: Chain A: V.163, L.170, A.173, W.174, G.177, F.178, L.181, F.242, F.243, P.246, L.250 Chain B: L.237, I.238, S.241, F.242 10 PLIP interactions: 3 interactions with chain B, 7 interactions with chain A Hydrophobic interactions: B:L.237, B:L.237, A:L.170, A:W.174, A:F.178, A:F.243, A:F.243, A:P.246, A:L.250 Hydrogen bonds: B:S.241 P0T.2: 15 residues within 4Å: Chain B: V.163, L.170, A.173, W.174, G.177, F.178, L.181, F.242, F.243, P.246, L.250 Chain D: L.237, I.238, S.241, F.242 10 PLIP interactions: 7 interactions with chain B, 3 interactions with chain D Hydrophobic interactions: B:L.170, B:W.174, B:F.178, B:F.243, B:F.243, B:P.246, B:L.250, D:L.237, D:L.237 Hydrogen bonds: D:S.241 P0T.3: 15 residues within 4Å: Chain D: V.163, L.170, A.173, W.174, G.177, F.178, L.181, F.242, F.243, P.246, L.250 Chain F: L.237, I.238, S.241, F.242 10 PLIP interactions: 7 interactions with chain D, 3 interactions with chain F Hydrophobic interactions: D:L.170, D:W.174, D:F.178, D:F.243, D:F.243, D:P.246, D:L.250, F:L.237, F:L.237 Hydrogen bonds: F:S.241 P0T.4: 15 residues within 4Å: Chain A: L.237, I.238, S.241, F.242 Chain F: V.163, L.170, A.173, W.174, G.177, F.178, L.181, F.242, F.243, P.246, L.250 10 PLIP interactions: 7 interactions with chain F, 3 interactions with chain A Hydrophobic interactions: F:L.170, F:W.174, F:F.178, F:F.243, F:F.243, F:P.246, F:L.250, A:L.237, A:L.237 Hydrogen bonds: A:S.241

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ma, D. et al., Ligand activation mechanisms of human KCNQ2 channel. Nat Commun (2023)

Release Date

2023-12-06

Peptides

Potassium voltage-gated channel subfamily KQT member 2: ABDF
Calmodulin-1: CEGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

D
G

F
I

C
E

E
H

G
J

H
F

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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