SMTL ID : 8de7.1

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

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

1 x LMT: DODECYL-BETA-D-MALTOSIDE(Non-covalent)

LMT.1: 16 residues within 4Å: Chain A: T.141, T.142, L.174, C.219, V.223, V.246, L.249, T.250, T.251, L.282, F.285, L.289 Chain B: T.142, L.164, I.167 Ligands: K.2 8 PLIP interactions: 5 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:V.246, A:V.246, A:F.285, A:L.289, B:L.164, B:L.164 Hydrogen bonds: A:T.141, B:T.251

3 x K: POTASSIUM ION(Non-covalent)

K.2: 6 residues within 4Å: Chain A: T.142, T.251 Chain B: T.142, T.251 Ligands: LMT.1, K.3 No protein-ligand interaction detected (PLIP) 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 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:I.143, B:T.251, B:I.252, A:T.142, A:I.252 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:G.144, A:I.252, 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
B

B
A

Membrane

We predict this structure to be a membrane protein.
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Potassium channel, subfamily K, member 2a

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