SMTL ID : 7byl.1

Cryo-EM structure of human KCNQ4

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

4 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: 12 residues within 4Å: Chain A: E.376, P.378, F.383, H.386, V.387, F.390, R.434, F.458, C.459, R.500, M.501, R.503 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:V.387, A:F.390, A:R.503 Hydrogen bonds: A:E.376, A:R.434, A:R.434, A:R.500, A:M.501, A:R.503 Water bridges: A:H.386, A:R.500 Salt bridges: A:H.386, A:H.386, A:R.434, A:R.503, A:R.503 PT5.6: 12 residues within 4Å: Chain B: E.376, P.378, F.383, H.386, V.387, F.390, R.434, F.458, C.459, R.500, M.501, R.503 16 PLIP interactions: 16 interactions with chain B Hydrophobic interactions: B:V.387, B:F.390, B:R.503 Hydrogen bonds: B:E.376, B:R.434, B:R.434, B:R.500, B:M.501, B:R.503 Water bridges: B:H.386, B:R.500 Salt bridges: B:H.386, B:H.386, B:R.434, B:R.503, B:R.503 PT5.7: 12 residues within 4Å: Chain C: E.376, P.378, F.383, H.386, V.387, F.390, R.434, F.458, C.459, R.500, M.501, R.503 16 PLIP interactions: 16 interactions with chain C Hydrophobic interactions: C:V.387, C:F.390, C:R.503 Hydrogen bonds: C:E.376, C:R.434, C:R.434, C:R.500, C:M.501, C:R.503 Water bridges: C:H.386, C:R.500 Salt bridges: C:H.386, C:H.386, C:R.434, C:R.503, C:R.503 PT5.8: 12 residues within 4Å: Chain D: E.376, P.378, F.383, H.386, V.387, F.390, R.434, F.458, C.459, R.500, M.501, R.503 16 PLIP interactions: 16 interactions with chain D Hydrophobic interactions: D:V.387, D:F.390, D:R.503 Hydrogen bonds: D:E.376, D:R.434, D:R.434, D:R.500, D:M.501, D:R.503 Water bridges: D:H.386, D:R.500 Salt bridges: D:H.386, D:H.386, D:R.434, D:R.503, D:R.503

4 x K: POTASSIUM ION(Non-covalent)

K.2: 9 residues within 4Å: Chain A: G.569, Y.570 Chain B: G.569, Y.570 Chain C: G.569, Y.570 Chain D: G.569, Y.570 Ligands: K.5 3 PLIP interactions: 1 interactions with chain B, 1 interactions with chain D, 1 interactions with chain C Metal complexes: B:Y.570, D:G.569, C:G.569 K.3: 10 residues within 4Å: Chain A: T.567, I.568 Chain B: T.567, I.568 Chain C: T.567, I.568 Chain D: T.567, I.568 Ligands: K.4, K.5 5 PLIP interactions: 1 interactions with chain A, 1 interactions with chain D, 1 interactions with chain C, 2 interactions with chain B Metal complexes: A:T.567, D:T.567, C:T.567, B:T.567, B:I.568 K.4: 5 residues within 4Å: Chain A: T.567 Chain B: T.567 Chain C: T.567 Chain D: T.567 Ligands: K.3 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:T.567 K.5: 10 residues within 4Å: Chain A: I.568, G.569 Chain B: I.568, G.569 Chain C: I.568, G.569 Chain D: I.568, G.569 Ligands: K.2, K.3 5 PLIP interactions: 2 interactions with chain D, 2 interactions with chain C, 1 interactions with chain B Metal complexes: D:I.568, D:G.569, C:I.568, C:G.569, B:I.568

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, T. et al., Structural Basis for the Modulation of Human KCNQ4 by Small-Molecule Drugs. Mol.Cell (2021)

Release Date

2020-12-02

Peptides

Green fluorescent protein,Potassium voltage-gated channel subfamily KQT member 4: 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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Green fluorescent protein,Potassium voltage-gated channel subfamily KQT member 4

Calmodulin-3

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