SMTL ID : 7sk0.1

TWIK1 in MSP1D1 lipid nanodisc at pH 7.4

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

2 x OCT: N-OCTANE(Non-covalent)

OCT.1: 1 residues within 4Å: Chain A: C.251 No protein-ligand interaction detected (PLIP) OCT.7: 1 residues within 4Å: Chain B: C.251 No protein-ligand interaction detected (PLIP)

5 x K: POTASSIUM ION(Non-covalent)

K.2: 10 residues within 4Å: Chain A: T.118, G.119, I.226, G.227 Chain B: T.118, G.119, I.226, G.227 Ligands: K.5, K.6 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Metal complexes: A:T.118, A:G.119, A:I.226, B:T.118, B:G.119 K.3: 5 residues within 4Å: Chain A: Y.120, L.228 Chain B: Y.120, L.228 Ligands: K.6 No protein-ligand interaction detected (PLIP) K.4: 5 residues within 4Å: Chain A: T.117, T.225 Chain B: T.117, T.225 Ligands: K.5 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.225 K.5: 10 residues within 4Å: Chain A: T.117, T.118, T.225, I.226 Chain B: T.117, T.118, T.225, I.226 Ligands: K.2, K.4 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Metal complexes: A:T.117, A:T.118, A:I.226, B:T.118, B:I.226 K.6: 10 residues within 4Å: Chain A: G.119, Y.120, G.227, L.228 Chain B: G.119, Y.120, G.227, L.228 Ligands: K.2, K.3 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Metal complexes: A:G.119, B:G.119

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Turney, T.S. et al., Structural Basis for pH-gating of the K + channel TWIK1 at the selectivity filter. Nat Commun (2022)

Release Date

2021-11-24

Peptides

Potassium channel subfamily K member 1: 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 1

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