SMTL ID : 6w8a.1

K2P2.1 (TREK-1):ML335 complex, 10 mM K+

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

homo-dimer

Ligands

5 x K: POTASSIUM ION(Non-covalent)

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.12 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Metal complexes: A:F.126, A:F.235, B:F.126, B:G.234, B: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.8, K.12 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Metal complexes: A:I.124, A:T.232, A:I.233, B:I.124, B:I.233 K.8: 5 residues within 4Å: Chain A: T.123, T.232 Chain B: T.123, T.232 Ligands: K.2 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Metal complexes: A:T.232, B:T.232 K.12: 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: 2 interactions with chain A, 3 interactions with chain B Metal complexes: A:I.124, A:I.233, B:I.124, B:G.125, B:I.233 K.23: 1 residues within 4Å: Chain B: N.92 No protein-ligand interaction detected (PLIP)

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

Q6F.3: 17 residues within 4Å: Chain A: H.107, S.112, F.115, G.118, T.119, T.122, F.126, I.129, V.239, A.240, G.241, G.242, K.252, V.255, W.256, I.259 Ligands: CD.9 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:F.115, A:F.126, A:V.239, A:V.255 Hydrogen bonds: A:S.112, A:A.240, A:G.242 pi-Stacking: A:F.115, A:F.115, A:W.256, A:W.256 Halogen bonds: A:T.122 Q6F.19: 16 residues within 4Å: Chain B: H.107, S.112, F.115, G.118, T.119, T.122, F.126, N.128, I.129, A.240, G.241, G.242, K.252, V.255, W.256, I.259 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:F.115, B:F.126, B:K.252 Hydrogen bonds: B:S.112, B:S.112, B:N.128, B:A.240 pi-Stacking: B:F.115, B:F.115, B:W.256, B:W.256 Halogen bonds: B:T.122

1 x 16C: N-((E,2S,3R)-1,3-DIHYDROXYOCTADEC-4-EN-2-YL)PALMITAMIDE(Non-covalent)

16C.4: 5 residues within 4Å: Chain A: Y.38, I.41, L.277, A.281, K.285 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:Y.38, A:Y.38, A:I.41, A:L.277, A:A.281 Hydrogen bonds: A:T.284, A:T.284

9 x R16: HEXADECANE(Non-functional Binders)(Non-covalent)

R16.5: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) R16.6: 3 residues within 4Å: Chain A: F.114, P.253, F.257 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.114, A:P.253, A:F.257 R16.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) R16.11: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) R16.16: 2 residues within 4Å: Chain B: A.281, T.284 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:A.281 R16.17: 2 residues within 4Å: Chain B: Y.38, I.41 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:Y.38, B:Y.38, B:I.41, B:I.41 R16.18: 6 residues within 4Å: Chain B: L.202, P.207, I.210, V.254, F.257, W.258 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:P.207, B:I.210, B:V.254, B:F.257, B:W.258 R16.20: 3 residues within 4Å: Chain B: C.200, I.223, V.269 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:I.223, B:V.269 R16.21: 3 residues within 4Å: Chain B: D.249, P.253, W.256 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:P.253, B:W.256

4 x CD: CADMIUM ION(Non-covalent)

CD.9: 3 residues within 4Å: Chain A: H.107, D.244 Ligands: Q6F.3 No protein-ligand interaction detected (PLIP) CD.13: 2 residues within 4Å: Chain B: H.107, D.244 No protein-ligand interaction detected (PLIP) CD.14: 2 residues within 4Å: Chain B: E.290, H.294 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:E.290 CD.15: 2 residues within 4Å: Chain B: D.109, K.252 No protein-ligand interaction detected (PLIP)

1 x LNK: PENTANE(Non-covalent)

LNK.10: 3 residues within 4Å: Chain A: L.202, L.206, W.258 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.206, A:W.258

1 x D12: DODECANE(Non-functional Binders)

D12.22: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

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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