SMTL ID : 9dwn.1

hTHIK1 Cryo-EM structure in GDN detergent

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

4 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.1: 4 residues within 4Å: Chain A: E.55, R.56, N.59, R.62 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:R.56 Hydrogen bonds: A:E.55, A:N.59, A:R.62 NAG.2: 1 residues within 4Å: Chain A: N.65 No protein-ligand interaction detected (PLIP) NAG.5: 3 residues within 4Å: Chain B: E.55, N.59, R.62 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.62 NAG.6: 1 residues within 4Å: Chain B: N.65 No protein-ligand interaction detected (PLIP)

5 x K: POTASSIUM ION(Non-covalent)

K.3: 10 residues within 4Å: Chain A: I.111, G.112, I.238, G.239 Chain B: I.111, G.112, I.238, G.239 Ligands: K.4, K.8 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:G.112, A:G.239, B:G.112, B:G.239 K.4: 10 residues within 4Å: Chain A: T.110, I.111, T.237, I.238 Chain B: T.110, I.111, T.237, I.238 Ligands: K.3, K.7 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Metal complexes: A:I.111, A:I.238, B:I.111, B:T.237, B:I.238 K.7: 6 residues within 4Å: Chain A: T.110, T.237 Chain B: T.110, T.237 Ligands: K.4, K.9 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Metal complexes: A:T.110, A:T.237, A:T.237, B:T.110, B:T.237 K.8: 9 residues within 4Å: Chain A: G.112, F.113, G.239, F.240 Chain B: G.112, F.113, G.239, F.240 Ligands: K.3 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Metal complexes: A:F.113, A:G.239, B:F.113, B:G.239, B:F.240 K.9: 7 residues within 4Å: Chain A: T.110, T.237, Y.273 Chain B: T.110, T.237, Y.273 Ligands: K.7 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Riel, E.B. et al., The cryo-EM structure and physical basis for anesthetic inhibition of the THIK1 K2P channel. Proc.Natl.Acad.Sci.USA (2025)

Release Date

2025-04-16

Peptides

Potassium channel subfamily K member 13: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Membrane

We predict this structure to be a membrane protein.
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Potassium channel subfamily K member 13