SMTL ID : 6w85.1

K2P2.1 (TREK-1):ML335 complex, 200 mM K+

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.80 Å

Oligo State

homo-dimer

Ligands

5 x K: POTASSIUM ION(Non-covalent)(Non-functional Binders)

K.1: 9 residues within 4Å: Chain A: G.125, F.126, G.234, F.235 Chain B: G.125, F.126, G.234, F.235 Ligands: K.4 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Metal complexes: B:F.235, A:F.235 K.2: 10 residues within 4Å: Chain A: T.123, I.124, T.232, I.233 Chain B: T.123, I.124, T.232, I.233 Ligands: K.4, K.5 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:I.124, A:I.233, B:I.124, B:I.233 K.4: 10 residues within 4Å: Chain A: I.124, G.125, I.233, G.234 Chain B: I.124, G.125, I.233, G.234 Ligands: K.1, K.2 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Metal complexes: B:I.124, B:G.125, B:I.233, B:G.234, A:G.125 K.5: 5 residues within 4Å: Chain A: T.123, T.232 Chain B: T.123, T.232 Ligands: K.2 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Metal complexes: B:T.232, B:T.232, A:T.123, A:T.123, A:T.232 K.10: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

2 x Q6F: N-[(2,4-dichlorophenyl)methyl]-4-[(methylsulfonyl)amino]benzamide(Non-covalent)

Q6F.3: 18 residues within 4Å: Chain A: S.106, H.107, S.112, F.115, G.118, T.119, T.122, I.124, F.126, N.128, I.129, A.240, G.241, G.242, K.252, V.255, W.256, I.259 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:F.115 Hydrogen bonds: A:S.112, A:A.240, A:G.241 pi-Stacking: A:F.115, A:W.256, A:W.256 Halogen bonds: A:T.122 Q6F.13: 16 residues within 4Å: Chain B: H.107, S.112, F.115, G.118, T.119, T.122, I.124, F.126, N.128, I.129, A.240, G.241, G.242, V.255, W.256, I.259 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:F.115, B:F.115, B:I.259 Hydrogen bonds: B:H.107, B:S.112, B:N.128, B:A.240, B:G.241 pi-Stacking: B:W.256, B:W.256 Halogen bonds: B:T.122

3 x CD: CADMIUM ION(Non-covalent)

CD.6: 1 residues within 4Å: Chain A: H.107 No protein-ligand interaction detected (PLIP) CD.11: 3 residues within 4Å: Chain B: I.96, H.107, D.244 No protein-ligand interaction detected (PLIP) CD.12: 3 residues within 4Å: Chain B: E.290, A.293, H.294 No protein-ligand interaction detected (PLIP)

3 x D10: DECANE(Non-covalent)

D10.7: 1 residues within 4Å: Chain A: A.281 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:A.281 D10.14: 2 residues within 4Å: Chain B: L.37, I.41 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:L.37, B:I.41 D10.15: 2 residues within 4Å: Chain B: I.138, I.142 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:I.138, B:I.138

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

OCT.8: 2 residues within 4Å: Chain A: L.37, I.41 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.37, A:I.41 OCT.16: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

1 x R16: HEXADECANE(Non-covalent)

R16.9: 3 residues within 4Å: Chain A: I.138, I.142, L.146 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:I.138, A:I.142, A:I.142, A:I.142, A:L.146

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

Membrane

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

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