SMTL ID : 7vnp.1

Structure of human KCNQ4-ML213 complex with PIP2

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

8 x PT5: [(2R)-1-octadecanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phospho ryl]oxy-propan-2-yl] (8Z)-icosa-5,8,11,14-tetraenoate(Non-covalent)

PT5.1: 14 residues within 4Å: Chain A: R.101, R.167, K.180, I.185, L.220, V.223, R.227, R.228, G.229, W.232, K.233 Chain C: L.255, V.256, F.259 16 PLIP interactions: 14 interactions with chain A, 2 interactions with chain C Hydrophobic interactions: A:L.220, A:W.232, A:W.232, C:L.255, C:F.259 Hydrogen bonds: A:R.227, A:R.228, A:G.229 Salt bridges: A:R.101, A:R.101, A:R.167, A:K.180, A:R.227, A:R.228, A:K.233, A:K.233 PT5.2: 20 residues within 4Å: Chain A: R.101, R.103, F.107, F.114, M.225, D.226, R.228, T.231, H.338, K.341 Chain C: V.239, S.243, K.244, I.247, W.250, Y.251, F.254, L.257 Chain E: L.313 Ligands: 7YV.11 11 PLIP interactions: 7 interactions with chain A, 4 interactions with chain C Hydrophobic interactions: A:F.114, C:I.247, C:F.254, C:L.257 Salt bridges: A:R.101, A:R.103, A:R.228, A:R.228, A:H.338, A:K.341, C:K.244 PT5.9: 14 residues within 4Å: Chain C: R.101, R.167, K.180, I.185, L.220, V.223, R.227, R.228, G.229, W.232, K.233 Chain E: L.255, V.256, F.259 16 PLIP interactions: 14 interactions with chain C, 2 interactions with chain E Hydrophobic interactions: C:L.220, C:W.232, C:W.232, E:L.255, E:F.259 Hydrogen bonds: C:R.227, C:R.228, C:G.229 Salt bridges: C:R.101, C:R.101, C:R.167, C:K.180, C:R.227, C:R.228, C:K.233, C:K.233 PT5.10: 21 residues within 4Å: Chain C: R.101, R.103, F.107, F.114, M.225, D.226, R.228, T.231, H.338, K.341 Chain E: V.239, S.243, K.244, I.247, W.250, Y.251, F.254, L.257 Chain G: L.313, L.314 Ligands: 7YV.14 10 PLIP interactions: 7 interactions with chain C, 3 interactions with chain E Hydrophobic interactions: C:F.114, E:I.247, E:F.254 Salt bridges: C:R.101, C:R.103, C:R.228, C:R.228, C:H.338, C:K.341, E:K.244 PT5.12: 14 residues within 4Å: Chain E: R.101, R.167, K.180, I.185, L.220, V.223, R.227, R.228, G.229, W.232, K.233 Chain G: L.255, V.256, F.259 17 PLIP interactions: 3 interactions with chain G, 14 interactions with chain E Hydrophobic interactions: G:L.255, G:V.256, G:F.259, E:L.220, E:W.232, E:W.232 Hydrogen bonds: E:R.227, E:R.228, E:G.229 Salt bridges: E:R.101, E:R.101, E:R.167, E:K.180, E:R.227, E:R.228, E:K.233, E:K.233 PT5.13: 20 residues within 4Å: Chain A: L.313 Chain E: R.101, R.103, F.107, F.114, M.225, D.226, R.228, T.231, H.338, K.341 Chain G: V.239, S.243, K.244, I.247, W.250, Y.251, F.254, L.257 Ligands: 7YV.8 12 PLIP interactions: 5 interactions with chain G, 7 interactions with chain E Hydrophobic interactions: G:I.247, G:Y.251, G:F.254, G:L.257, E:F.114 Salt bridges: G:K.244, E:R.101, E:R.103, E:R.228, E:R.228, E:H.338, E:K.341 PT5.15: 14 residues within 4Å: Chain A: L.255, V.256, F.259 Chain G: R.101, R.167, K.180, I.185, L.220, V.223, R.227, R.228, G.229, W.232, K.233 16 PLIP interactions: 14 interactions with chain G, 2 interactions with chain A Hydrophobic interactions: G:L.220, G:W.232, G:W.232, A:L.255, A:F.259 Hydrogen bonds: G:R.227, G:R.228, G:G.229 Salt bridges: G:R.101, G:R.101, G:R.167, G:K.180, G:R.227, G:R.228, G:K.233, G:K.233 PT5.16: 20 residues within 4Å: Chain A: V.239, S.243, K.244, I.247, W.250, Y.251, F.254, L.257 Chain C: L.313 Chain G: R.101, R.103, F.107, F.114, M.225, D.226, R.228, T.231, H.338, K.341 Ligands: 7YV.7 12 PLIP interactions: 5 interactions with chain A, 7 interactions with chain G Hydrophobic interactions: A:I.247, A:W.250, A:F.254, A:L.257, G:F.114 Salt bridges: A:K.244, G:R.101, G:R.103, G:R.228, G:R.228, G:H.338, G:K.341

4 x K: POTASSIUM ION(Non-covalent)

K.3: 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.5 4 PLIP interactions: 1 interactions with chain A, 1 interactions with chain G, 1 interactions with chain E, 1 interactions with chain C Metal complexes: A:G.293, G:G.293, E:G.293, C:G.293 K.4: 10 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.5, K.6 5 PLIP interactions: 2 interactions with chain A, 1 interactions with chain E, 1 interactions with chain G, 1 interactions with chain C Metal complexes: A:T.291, A:I.292, E:I.292, G:I.292, C:I.292 K.5: 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.3, K.4 5 PLIP interactions: 1 interactions with chain G, 2 interactions with chain A, 1 interactions with chain E, 1 interactions with chain C Metal complexes: G:I.292, A:I.292, A:G.293, E:I.292, C:I.292 K.6: 5 residues within 4Å: Chain A: T.291 Chain C: T.291 Chain E: T.291 Chain G: T.291 Ligands: K.4 5 PLIP interactions: 2 interactions with chain C, 1 interactions with chain A, 1 interactions with chain E, 1 interactions with chain G Metal complexes: C:T.291, C:T.291, A:T.291, E:T.291, G:T.291

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

7YV.7: 12 residues within 4Å: Chain A: V.239, A.249, W.250, F.254, F.319, P.322, L.326 Chain C: L.313, L.314, S.317, F.318 Ligands: PT5.16 6 PLIP interactions: 2 interactions with chain C, 4 interactions with chain A Hydrophobic interactions: C:L.314, A:W.250, A:P.322, A:L.326 Hydrogen bonds: C:S.317 pi-Stacking: A:W.250 7YV.8: 13 residues within 4Å: Chain A: L.313, L.314, S.317, F.318 Chain G: V.239, A.249, W.250, G.253, F.254, F.319, P.322, L.326 Ligands: PT5.13 6 PLIP interactions: 2 interactions with chain A, 4 interactions with chain G Hydrophobic interactions: A:L.314, G:W.250, G:P.322, G:L.326 Hydrogen bonds: A:S.317 pi-Stacking: G:W.250 7YV.11: 12 residues within 4Å: Chain C: V.239, A.249, W.250, F.254, F.319, P.322, L.326 Chain E: L.313, L.314, S.317, F.318 Ligands: PT5.2 7 PLIP interactions: 4 interactions with chain C, 3 interactions with chain E Hydrophobic interactions: C:W.250, C:P.322, C:L.326, E:L.314 pi-Stacking: C:W.250 Hydrogen bonds: E:L.313, E:S.317 7YV.14: 12 residues within 4Å: Chain E: V.239, A.249, W.250, F.254, F.319, P.322, L.326 Chain G: L.313, L.314, S.317, F.318 Ligands: PT5.10 7 PLIP interactions: 4 interactions with chain E, 3 interactions with chain G Hydrophobic interactions: E:W.250, E:P.322, E:L.326, G:L.314 pi-Stacking: E:W.250 Hydrogen bonds: G:L.313, G:S.317

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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