SMTL ID : 9g9w.1

Structure of the human two pore domain potassium ion channel TASK-3 (K2P9.1) G236R mutant

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

6 x Y01: CHOLESTEROL HEMISUCCINATE(Non-covalent)

Y01.1: 9 residues within 4Å: Chain A: R.3, R.7, L.11, V.242, F.246 Chain B: V.115, P.119, L.120, V.123 10 PLIP interactions: 5 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:V.115, B:P.119, B:P.119, B:L.120, B:V.123, A:F.246, A:F.246, A:F.246 Salt bridges: A:R.3, A:R.7 Y01.2: 9 residues within 4Å: Chain A: F.80, A.81, F.84, L.214, P.218, A.222, M.226 Chain B: I.12, F.16 6 PLIP interactions: 3 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:F.84, B:I.12, B:F.16, B:F.16 Hydrogen bonds: A:F.80, A:A.81 Y01.3: 5 residues within 4Å: Chain A: I.173, K.217, L.219, Y.220, F.223 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:I.173, A:F.223, A:F.223 Hydrogen bonds: A:L.219, A:Y.220 Y01.7: 9 residues within 4Å: Chain A: V.115, P.119, L.120, V.123 Chain B: R.3, R.7, L.11, V.242, F.246 10 PLIP interactions: 5 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:V.115, A:P.119, A:P.119, A:L.120, A:V.123, B:F.246, B:F.246, B:F.246 Salt bridges: B:R.3, B:R.7 Y01.8: 9 residues within 4Å: Chain A: I.12, F.16 Chain B: F.80, A.81, F.84, L.214, P.218, A.222, M.226 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.84, A:I.12, A:F.16, A:F.16 Hydrogen bonds: B:F.80, B:A.81 Y01.9: 5 residues within 4Å: Chain B: I.173, K.217, L.219, Y.220, F.223 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:I.173, B:F.223, B:F.223 Hydrogen bonds: B:L.219, B:Y.220

3 x K: POTASSIUM ION(Non-covalent)

K.4: 8 residues within 4Å: Chain A: G.95, Y.96, G.201, F.202 Chain B: G.95, Y.96, G.201, F.202 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Metal complexes: A:Y.96, B:Y.96 K.5: 9 residues within 4Å: Chain A: T.93, I.94, T.199, I.200 Chain B: T.93, I.94, T.199, I.200 Ligands: K.6 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:I.94, B:I.200, A:I.94, A:I.200 K.6: 5 residues within 4Å: Chain A: T.93, T.199 Chain B: T.93, T.199 Ligands: K.5 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hall, P.R. et al., Structures of TASK-1 and TASK-3 K2P channels provide insight into their gating and dysfunction in disease. Structure (2024)

Release Date

2024-12-18

Peptides

Potassium channel subfamily K member 9: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Membrane

We predict this structure to be a membrane protein.
Show / Hide

Potassium channel subfamily K member 9