SMTL ID : 6uzz.1

structure of human KCNQ1-CaM complex

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

8 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain B: D.21, D.23, D.25, T.27, E.32 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:D.25, B:T.27, B:E.32, B:E.32 CA.2: 5 residues within 4Å: Chain B: D.57, D.59, N.61, T.63, E.68 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:T.63, B:E.68, B:E.68 CA.3: 5 residues within 4Å: Chain D: D.21, D.23, D.25, T.27, E.32 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:D.25, D:T.27, D:E.32, D:E.32 CA.4: 5 residues within 4Å: Chain D: D.57, D.59, N.61, T.63, E.68 3 PLIP interactions: 3 interactions with chain D Metal complexes: D:T.63, D:E.68, D:E.68 CA.5: 5 residues within 4Å: Chain F: D.21, D.23, D.25, T.27, E.32 4 PLIP interactions: 4 interactions with chain F Metal complexes: F:D.25, F:T.27, F:E.32, F:E.32 CA.6: 5 residues within 4Å: Chain F: D.57, D.59, N.61, T.63, E.68 3 PLIP interactions: 3 interactions with chain F Metal complexes: F:T.63, F:E.68, F:E.68 CA.7: 5 residues within 4Å: Chain H: D.21, D.23, D.25, T.27, E.32 4 PLIP interactions: 4 interactions with chain H Metal complexes: H:D.25, H:T.27, H:E.32, H:E.32 CA.8: 5 residues within 4Å: Chain H: D.57, D.59, N.61, T.63, E.68 3 PLIP interactions: 3 interactions with chain H Metal complexes: H:T.63, H:E.68, H:E.68

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sun, J. et al., Structural Basis of Human KCNQ1 Modulation and Gating. Cell (2020)

Release Date

2019-12-04

Peptides

Potassium voltage-gated channel subfamily KQT member 1: 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 1

Calmodulin-1

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