SMTL ID : 8sik.1

KCNQ1 with voltage sensor in the up conformation

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

8 x CA: CALCIUM ION(Non-covalent)(Non-functional Binders)

CA.1: 4 residues within 4Å: Chain A: D.21, D.25, T.27, E.32 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:T.27, A:E.32 CA.2: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) CA.3: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) CA.4: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) CA.5: 5 residues within 4Å: Chain D: T.27, N.61, T.63, D.65, E.68 1 PLIP interactions: 1 interactions with chain D Metal complexes: D:T.63 CA.6: 3 residues within 4Å: Chain A: N.61, D.65 Chain E: H.108 No protein-ligand interaction detected (PLIP) CA.7: 1 residues within 4Å: Chain E: K.31 No protein-ligand interaction detected (PLIP) CA.8: 4 residues within 4Å: Chain E: D.57, N.61, T.63, E.68 1 PLIP interactions: 1 interactions with chain E Metal complexes: E:E.68

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: ACDE
Potassium voltage-gated channel subfamily KQT member 1: BFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

C
D

D
F

E
H

B
A

F
G

G
C

H
E

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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