SMTL ID : 7vnr.1

Structure of human KCNQ4-ML213 complex in digitonin

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

4 x 7YV: (1S,2S,4R)-N-(2,4,6-trimethylphenyl)bicyclo[2.2.1]heptane-2-carboxamid(Non-covalent)

7YV.1: 8 residues within 4Å: Chain A: W.250, F.319, P.322, L.326 Chain B: L.313, L.314, S.317, F.318 7 PLIP interactions: 2 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:L.313, B:S.317 Hydrophobic interactions: A:W.250, A:W.250, A:W.250, A:F.319, A:F.319 7YV.5: 8 residues within 4Å: Chain B: W.250, F.319, P.322, L.326 Chain C: L.313, L.314, S.317, F.318 7 PLIP interactions: 5 interactions with chain B, 2 interactions with chain C Hydrophobic interactions: B:W.250, B:W.250, B:W.250, B:F.319, B:F.319 Hydrogen bonds: C:L.313, C:S.317 7YV.6: 8 residues within 4Å: Chain C: W.250, F.319, P.322, L.326 Chain D: L.313, L.314, S.317, F.318 7 PLIP interactions: 2 interactions with chain D, 5 interactions with chain C Hydrogen bonds: D:L.313, D:S.317 Hydrophobic interactions: C:W.250, C:W.250, C:W.250, C:F.319, C:F.319 7YV.7: 8 residues within 4Å: Chain A: L.313, L.314, S.317, F.318 Chain D: W.250, F.319, P.322, L.326 7 PLIP interactions: 5 interactions with chain D, 2 interactions with chain A Hydrophobic interactions: D:W.250, D:W.250, D:W.250, D:F.319, D:F.319 Hydrogen bonds: A:L.313, A:S.317

3 x K: POTASSIUM ION(Non-covalent)

K.2: 5 residues within 4Å: Chain A: T.291 Chain B: T.291 Chain C: T.291 Chain D: T.291 Ligands: K.3 4 PLIP interactions: 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain A, 1 interactions with chain C Metal complexes: D:T.291, B:T.291, A:T.291, C:T.291 K.3: 9 residues within 4Å: Chain A: T.291, I.292 Chain B: T.291, I.292 Chain C: T.291, I.292 Chain D: T.291, I.292 Ligands: K.2 5 PLIP interactions: 2 interactions with chain C, 1 interactions with chain D, 1 interactions with chain A, 1 interactions with chain B Metal complexes: C:T.291, C:I.292, D:I.292, A:I.292, B:I.292 K.4: 8 residues within 4Å: Chain A: G.293, Y.294 Chain B: G.293, Y.294 Chain C: G.293, Y.294 Chain D: G.293, Y.294 4 PLIP interactions: 1 interactions with chain A, 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain C Metal complexes: A:G.293, D:G.293, B:G.293, C:G.293

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zheng, Y. et al., Structural insights into the lipid and ligand regulation of a human neuronal KCNQ channel. Neuron (2022)

Release Date

2021-12-01

Peptides

Potassium voltage-gated channel subfamily KQT member 4,Maltodextrin-binding protein: ABCD
Calmodulin-3: EFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

C
E

D
G

E
B

F
D

G
F

H
H

Membrane

We predict this structure to be a membrane protein.
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Potassium voltage-gated channel subfamily KQT member 4,Maltodextrin-binding protein

Calmodulin-3

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