SMTL ID : 8j00.1

Human KCNQ2-CaM in complex with CBD

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

8 x P0T: cannabidiol(Non-covalent)(Covalent)

P0T.1: 17 residues within 4Å: Chain A: L.237, I.238, S.241, F.242 Chain B: L.159, V.163, L.170, A.173, W.174, G.177, F.178, L.181, F.242, F.243, P.246, L.250 Ligands: P0T.2 11 PLIP interactions: 4 interactions with chain A, 7 interactions with chain B Hydrophobic interactions: A:L.237, A:L.237, A:F.242, B:L.170, B:W.174, B:F.178, B:F.243, B:F.243, B:P.246, B:L.250 Hydrogen bonds: A:S.241 P0T.2: 16 residues within 4Å: Chain A: W.226, R.229, L.230, A.233, T.234, L.237, I.238 Chain B: W.174, F.178, L.181, L.206, W.207, L.210 Chain C: F.38, F.42 Ligands: P0T.1 6 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: A:A.233, A:L.237, A:I.238, B:L.206, C:F.42 Hydrogen bonds: B:W.174 P0T.3: 17 residues within 4Å: Chain B: L.237, I.238, S.241, F.242 Chain C: L.159, V.163, L.170, A.173, W.174, G.177, F.178, L.181, F.242, F.243, P.246, L.250 Ligands: P0T.4 11 PLIP interactions: 7 interactions with chain C, 4 interactions with chain B Hydrophobic interactions: C:L.170, C:W.174, C:F.178, C:F.243, C:F.243, C:P.246, C:L.250, B:L.237, B:L.237, B:F.242 Hydrogen bonds: B:S.241 P0T.4: 16 residues within 4Å: Chain B: W.226, R.229, L.230, A.233, T.234, L.237, I.238 Chain C: W.174, F.178, L.181, L.206, W.207, L.210 Chain D: F.38, F.42 Ligands: P0T.3 6 PLIP interactions: 2 interactions with chain C, 3 interactions with chain B, 1 interactions with chain D Hydrophobic interactions: C:L.206, B:A.233, B:L.237, B:I.238, D:F.42 Hydrogen bonds: C:W.174 P0T.5: 17 residues within 4Å: Chain C: L.237, I.238, S.241, F.242 Chain D: L.159, V.163, L.170, A.173, W.174, G.177, F.178, L.181, F.242, F.243, P.246, L.250 Ligands: P0T.6 11 PLIP interactions: 7 interactions with chain D, 4 interactions with chain C Hydrophobic interactions: D:L.170, D:W.174, D:F.178, D:F.243, D:F.243, D:P.246, D:L.250, C:L.237, C:L.237, C:F.242 Hydrogen bonds: C:S.241 P0T.6: 16 residues within 4Å: Chain A: F.38, F.42 Chain C: W.226, R.229, L.230, A.233, T.234, L.237, I.238 Chain D: W.174, F.178, L.181, L.206, W.207, L.210 Ligands: P0T.5 5 PLIP interactions: 1 interactions with chain D, 3 interactions with chain C, 1 interactions with chain A Hydrogen bonds: D:W.174 Hydrophobic interactions: C:A.233, C:L.237, C:I.238, A:F.42 P0T.7: 17 residues within 4Å: Chain A: L.159, 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 Ligands: P0T.8 11 PLIP interactions: 4 interactions with chain D, 7 interactions with chain A Hydrophobic interactions: D:L.237, D:L.237, D:F.242, A:L.170, A:W.174, A:F.178, A:F.243, A:F.243, A:P.246, A:L.250 Hydrogen bonds: D:S.241 P0T.8: 16 residues within 4Å: Chain A: W.174, F.178, L.181, L.206, W.207, L.210 Chain B: F.38, F.42 Chain D: W.226, R.229, L.230, A.233, T.234, L.237, I.238 Ligands: P0T.7 5 PLIP interactions: 3 interactions with chain D, 1 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: D:A.233, D:L.237, D:I.238, B:F.42 Hydrogen bonds: A:W.174

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

2023-11-29

Peptides

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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Potassium voltage-gated channel subfamily KQT member 2

Calmodulin-1

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