SMTL ID : 9jh1.1

The Cryo-EM structure of Kcnk13-S136P

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

2 x POV: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate(Non-covalent)

POV.1: 4 residues within 4Å: Chain A: F.128, R.131, I.135 Ligands: EIC.2 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:I.135 POV.4: 4 residues within 4Å: Chain B: F.128, R.131, I.135 Ligands: EIC.5 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:I.135

2 x EIC: LINOLEIC ACID(Non-functional Binders)

EIC.2: 1 residues within 4Å: Ligands: POV.1 No protein-ligand interaction detected (PLIP) EIC.5: 1 residues within 4Å: Ligands: POV.4 No protein-ligand interaction detected (PLIP)

2 x K: POTASSIUM ION(Non-covalent)

K.3: 5 residues within 4Å: Chain A: T.93, T.220 Chain B: T.93, T.220 Ligands: K.6 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:T.93, B:T.220, A:T.93, A:T.220 K.6: 9 residues within 4Å: Chain A: T.93, I.94, T.220, I.221 Chain B: T.93, I.94, T.220, I.221 Ligands: K.3 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Metal complexes: B:I.94, B:I.221, A:I.94, A:T.220, A:I.221

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fang, X. et al., Gating mechanism of the two-pore-domain potassium channel THIK1. Nat.Struct.Mol.Biol. (2025)

Release Date

2025-05-07

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