SMTL ID : 8k1q.1

Human TWIK-related acid-sensitive potassium channel TASK3 at pH 6.0, 5 mM KCl and 135 mM NaCl

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

6 x Y01: CHOLESTEROL HEMISUCCINATE(Non-covalent)

Y01.1: 7 residues within 4Å: Chain A: R.3, R.7, L.11, F.238, F.246 Chain B: P.119, V.123 8 PLIP interactions: 2 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:P.119, B:V.123, A:R.7, A:F.238, A:F.238, A:F.246, A:F.246 Salt bridges: A:R.3 Y01.2: 4 residues within 4Å: Chain A: I.173, C.181, K.217, F.223 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:I.173, A:F.223, A:F.223 Salt bridges: A:K.217 Y01.3: 8 residues within 4Å: Chain A: F.80, L.214, Q.215, P.218, A.222, F.225, M.226 Chain B: F.16 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:F.80, A:F.80, A:A.222, A:F.225, B:F.16, B:F.16 Y01.6: 7 residues within 4Å: Chain A: P.119, V.123 Chain B: R.3, R.7, L.11, F.238, F.246 10 PLIP interactions: 8 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:R.7, B:L.11, B:F.238, B:F.238, B:F.246, B:F.246, A:P.119, A:V.123 Salt bridges: B:R.3, B:R.7 Y01.7: 8 residues within 4Å: Chain A: F.16 Chain B: F.80, L.214, Q.215, P.218, A.222, F.225, M.226 6 PLIP interactions: 4 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:F.80, B:F.80, B:A.222, B:F.225, A:F.16, A:F.16 Y01.8: 4 residues within 4Å: Chain B: I.173, C.181, K.217, F.223 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:I.173, B:F.223 Salt bridges: B:K.217

2 x K: POTASSIUM ION(Non-covalent)

K.4: 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.5 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:T.93, B:T.199, A:T.93, A:T.199 K.5: 5 residues within 4Å: Chain A: T.93, T.199 Chain B: T.93, T.199 Ligands: K.4 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:T.93, B:T.199, A:T.93, A:T.199

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lin, H. et al., C-type inactivation and proton modulation mechanisms of the TASK3 channel. Proc.Natl.Acad.Sci.USA (2024)

Release Date

2024-04-17

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

Related Entries With Identical Sequence