SMTL ID : 6cq9.1

K2P2.1(TREK-1):ML402 complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

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

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

2 x Q5F: N-[2-(4-chloro-2-methylphenoxy)ethyl]thiophene-2-carboxamide(Non-covalent)

Q5F.4: 13 residues within 4Å: Chain A: S.112, F.115, G.118, T.119, T.122, F.126, A.240, G.241, G.242, K.252, V.255, W.256, I.259 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:F.115, A:F.115, A:F.126, A:I.259, A:I.259 Hydrogen bonds: A:A.240 pi-Stacking: A:F.115, A:F.115, A:W.256, A:W.256 Halogen bonds: A:T.122 Q5F.12: 15 residues within 4Å: Chain B: S.112, F.115, G.118, T.119, T.122, I.124, F.126, F.225, A.240, G.241, K.252, V.255, W.256, I.259 Ligands: R16.19 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:F.115, B:F.115, B:F.225, B:I.259, B:I.259 Hydrogen bonds: B:A.240 pi-Stacking: B:F.115, B:F.115, B:W.256, B:W.256 Halogen bonds: B:T.122

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

R16.5: 3 residues within 4Å: Chain A: L.220, I.223 Chain B: I.142 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:L.220, A:I.223, B:I.142 R16.7: 1 residues within 4Å: Chain A: I.142 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:I.142 R16.8: 4 residues within 4Å: Chain A: L.202, F.203, L.206, F.257 No protein-ligand interaction detected (PLIP) R16.13: 1 residues within 4Å: Ligands: R16.14 No protein-ligand interaction detected (PLIP) R16.14: 3 residues within 4Å: Chain B: Y.38, I.41 Ligands: R16.13 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:Y.38, B:I.41 R16.15: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) R16.16: 4 residues within 4Å: Chain B: L.202, F.203, V.254, W.258 No protein-ligand interaction detected (PLIP) R16.17: 2 residues within 4Å: Chain B: I.189, W.276 No protein-ligand interaction detected (PLIP) R16.18: 3 residues within 4Å: Chain A: L.145 Chain B: C.200, I.223 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:L.145, B:I.223 R16.19: 7 residues within 4Å: Chain A: F.32 Chain B: F.114, D.249, K.252, P.253, W.256 Ligands: Q5F.12 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:F.114, B:K.252, B:P.253, A:F.32

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

16C.6: 7 residues within 4Å: Chain A: L.37, Y.38, I.41, A.281, T.284, K.285 Chain B: F.139 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:L.37, A:Y.38, A:A.281, B:F.139 Hydrogen bonds: A:T.284, A:T.284

1 x CD: CADMIUM ION(Non-covalent)

CD.11: 3 residues within 4Å: Chain B: E.290, A.293, H.294 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:E.290, B:H.294

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lolicato, M. et al., K2P2.1 (TREK-1)-activator complexes reveal a cryptic selectivity filter binding site. Nature (2017)

Release Date

2018-04-11

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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