SMTL ID : 6w7e.1

K2P2.1 (TREK-1), 30 mM K+

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.29 Å

Oligo State

homo-dimer

Ligands

4 x CD: CADMIUM ION(Non-covalent)(Non-functional Binders)

CD.1: 2 residues within 4Å: Chain A: E.290, H.294 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:H.294 CD.2: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) CD.8: 1 residues within 4Å: Chain B: H.294 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:H.294 CD.9: 4 residues within 4Å: Chain B: G.94, I.95, I.96, H.107 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:I.95

1 x 1PE: PENTAETHYLENE GLYCOL(Non-functional Binders)

1PE.3: 1 residues within 4Å: Chain A: V.209 No protein-ligand interaction detected (PLIP)

2 x LNK: PENTANE(Non-covalent)

LNK.4: 2 residues within 4Å: Chain A: I.41 Ligands: PIO.7 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:I.41 LNK.10: 2 residues within 4Å: Chain B: L.146 Ligands: PIO.7 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:L.146

3 x OCT: N-OCTANE(Non-covalent)(Non-functional Binders)

OCT.5: 1 residues within 4Å: Chain A: I.142 No protein-ligand interaction detected (PLIP) OCT.11: 1 residues within 4Å: Ligands: D12.13 No protein-ligand interaction detected (PLIP) OCT.12: 2 residues within 4Å: Chain B: G.135, F.139 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:F.139

2 x K: POTASSIUM ION(Non-covalent)

K.6: 10 residues within 4Å: Chain A: T.123, I.124, T.232, I.233, G.234 Chain B: T.123, I.124, T.232, I.233 Ligands: K.14 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:T.123, B:T.232, B:I.233, A:T.123, A:I.124 K.14: 5 residues within 4Å: Chain A: T.123, T.232 Chain B: T.123, T.232 Ligands: K.6 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Metal complexes: B:T.232, B:T.232, A:T.232

1 x PIO: [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate(Non-covalent)

PIO.7: 9 residues within 4Å: Chain A: T.27, T.30, R.278, A.281, K.282, T.284, K.285 Ligands: LNK.4, LNK.10 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.27, A:T.284 Salt bridges: A:R.278, A:K.282

1 x D12: DODECANE(Non-covalent)

D12.13: 3 residues within 4Å: Chain B: Y.38, I.41 Ligands: OCT.11 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:Y.38, B:I.41

1 x R16: HEXADECANE(Non-covalent)

R16.15: 2 residues within 4Å: Chain A: L.220 Chain B: I.142 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:I.142, A:L.220

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lolicato, M. et al., K 2P channel C-type gating involves asymmetric selectivity filter order-disorder transitions. Sci Adv (2020)

Release Date

2021-01-27

Peptides

Potassium channel subfamily K member 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Potassium channel subfamily K member 2

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