SMTL ID : 7vnq.1

Structure of human KCNQ4-ML213 complex in nanodisc

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: 10 residues within 4Å: Chain A: V.239, L.246, W.250, F.319, P.322, L.326 Chain C: L.313, L.314, S.317, F.318 10 PLIP interactions: 6 interactions with chain A, 4 interactions with chain C Hydrophobic interactions: A:F.319, A:F.319, A:P.322, A:P.322, A:L.326, C:F.318, C:F.318 pi-Stacking: A:W.250 Hydrogen bonds: C:L.313, C:S.317 7YV.5: 10 residues within 4Å: Chain C: V.239, L.246, W.250, F.319, P.322, L.326 Chain E: L.313, L.314, S.317, F.318 10 PLIP interactions: 6 interactions with chain C, 4 interactions with chain E Hydrophobic interactions: C:F.319, C:F.319, C:P.322, C:P.322, C:L.326, E:F.318, E:F.318 pi-Stacking: C:W.250 Hydrogen bonds: E:L.313, E:S.317 7YV.6: 10 residues within 4Å: Chain E: V.239, L.246, W.250, F.319, P.322, L.326 Chain G: L.313, L.314, S.317, F.318 9 PLIP interactions: 4 interactions with chain G, 5 interactions with chain E Hydrophobic interactions: G:F.318, G:F.318, E:F.319, E:P.322, E:P.322, E:L.326 Hydrogen bonds: G:L.313, G:S.317 pi-Stacking: E:W.250 7YV.7: 10 residues within 4Å: Chain A: L.313, L.314, S.317, F.318 Chain G: V.239, L.246, W.250, F.319, P.322, L.326 10 PLIP interactions: 6 interactions with chain G, 4 interactions with chain A Hydrophobic interactions: G:F.319, G:F.319, G:P.322, G:P.322, G:L.326, A:F.318, A:F.318 pi-Stacking: G:W.250 Hydrogen bonds: A:L.313, A:S.317

3 x K: POTASSIUM ION(Non-covalent)

K.2: 9 residues within 4Å: Chain A: G.293, Y.294 Chain C: G.293, Y.294 Chain E: G.293, Y.294 Chain G: G.293, Y.294 Ligands: K.4 4 PLIP interactions: 1 interactions with chain A, 1 interactions with chain E, 1 interactions with chain G, 1 interactions with chain C Metal complexes: A:G.293, E:G.293, G:G.293, C:G.293 K.3: 9 residues within 4Å: Chain A: T.291, I.292 Chain C: T.291, I.292 Chain E: T.291, I.292 Chain G: T.291, I.292 Ligands: K.4 5 PLIP interactions: 1 interactions with chain C, 1 interactions with chain G, 2 interactions with chain A, 1 interactions with chain E Metal complexes: C:T.291, G:T.291, A:T.291, A:I.292, E:T.291 K.4: 10 residues within 4Å: Chain A: I.292, G.293 Chain C: I.292, G.293 Chain E: I.292, G.293 Chain G: I.292, G.293 Ligands: K.2, K.3 5 PLIP interactions: 1 interactions with chain A, 1 interactions with chain E, 2 interactions with chain G, 1 interactions with chain C Metal complexes: A:G.293, E:G.293, G:I.292, G: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: ACEG
Calmodulin-3: 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 4,Maltodextrin-binding protein

Calmodulin-3

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