SMTL ID : 8sim.1

KCNQ1 with voltage sensor in the intermediate conformation

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

8 x CA: CALCIUM ION(Non-covalent)

CA.1: 3 residues within 4Å: Chain A: K.31, T.35, R.38 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.35 CA.2: 2 residues within 4Å: Chain A: K.14, F.17 No protein-ligand interaction detected (PLIP) CA.3: 3 residues within 4Å: Chain B: K.31, T.35, R.38 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:T.35 CA.4: 2 residues within 4Å: Chain B: K.14, F.17 No protein-ligand interaction detected (PLIP) CA.5: 3 residues within 4Å: Chain C: K.31, T.35, R.38 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:T.35 CA.6: 2 residues within 4Å: Chain C: K.14, F.17 No protein-ligand interaction detected (PLIP) CA.7: 3 residues within 4Å: Chain D: K.31, T.35, R.38 1 PLIP interactions: 1 interactions with chain D Metal complexes: D:T.35 CA.8: 2 residues within 4Å: Chain D: K.14, F.17 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mandala, V.S. et al., The membrane electric field regulates the PIP 2 -binding site to gate the KCNQ1 channel. Proc.Natl.Acad.Sci.USA (2023)

Release Date

2023-05-31

Peptides

Calmodulin-1: ABCD
Potassium voltage-gated channel subfamily KQT member 1: EFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

C
F

D
H

E
E

F
A

G
G

H
C

Membrane

We predict this structure to be a membrane protein.
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Calmodulin-1

Potassium voltage-gated channel subfamily KQT member 1

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