SMTL ID : 8de9.1

Cryo-EM structure of the zebrafish two pore domain K+ channel TREK1 (K2P2.1) in DDM/POPE mixed micelles

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

1 x PEV: (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE(Non-covalent)

PEV.1: 21 residues within 4Å: Chain A: T.141, T.142, L.164, I.167, F.170, L.174, I.215, C.219, L.249, T.250, T.251, L.282, F.285, L.289 Chain B: L.164, I.167, L.249, T.250, T.251, L.282, F.285 10 PLIP interactions: 7 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:L.164, A:I.215, A:F.285, A:F.285, A:F.285, A:L.289, B:L.164, B:L.282, B:F.285 Hydrogen bonds: A:T.142

3 x K: POTASSIUM ION(Non-covalent)

K.2: 5 residues within 4Å: Chain A: T.142, T.251 Chain B: T.142, T.251 Ligands: K.3 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Metal complexes: A:T.142, B:T.142 K.3: 10 residues within 4Å: Chain A: T.142, I.143, T.251, I.252 Chain B: T.142, I.143, T.251, I.252 Ligands: K.2, K.4 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:T.142, A:I.143 K.4: 9 residues within 4Å: Chain A: I.143, G.144, I.252, G.253 Chain B: I.143, G.144, I.252, G.253 Ligands: K.3 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Metal complexes: A:I.143, A:I.252, A:G.253, B:I.143, B:I.252

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schmidpeter, P.A.M. et al., Membrane phospholipids control gating of the mechanosensitive potassium leak channel TREK1. Nat Commun (2023)

Release Date

2023-03-08

Peptides

Potassium channel, subfamily K, member 2a: 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 2a

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