SMTL ID : 8k1z.1

Human TWIK-related acid-sensitive potassium channel TASK3 at pH 6.0, 200 mM KCl

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

6 x Y01: CHOLESTEROL HEMISUCCINATE(Non-covalent)

Y01.1: 6 residues within 4Å: Chain A: R.7, L.11, V.242, F.246 Chain B: P.119, L.120 7 PLIP interactions: 3 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:P.119, B:L.120, B:L.120, A:L.11, A:V.242, A:V.242, A:F.246 Y01.2: 5 residues within 4Å: Chain A: I.173, Q.180, C.181, K.217, F.223 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:I.173, A:K.217, A:F.223, A:F.223, A:F.223, A:F.223 Salt bridges: A:K.217 Y01.3: 6 residues within 4Å: Chain A: F.80, Q.215, P.218, A.222, M.226 Chain B: F.16 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.80, A:P.218 Y01.8: 6 residues within 4Å: Chain A: F.16 Chain B: F.80, Q.215, P.218, A.222, M.226 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:F.80, B:P.218 Y01.9: 7 residues within 4Å: Chain A: P.119, L.120 Chain B: R.7, L.11, F.238, V.242, F.246 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:L.11, B:V.242, B:F.246, A:L.120, A:L.120 Y01.10: 5 residues within 4Å: Chain B: I.173, Q.180, K.217, L.219, F.223 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:I.173, B:K.217, B:F.223, B:F.223, B:F.223, B:F.223 Salt bridges: B:K.217

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

K.4: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) K.5: 9 residues within 4Å: Chain A: G.95, Y.96, G.201, F.202 Chain B: G.95, Y.96, G.201, F.202 Ligands: K.6 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:G.95, A:G.201, B:G.95, B:G.201 K.6: 10 residues within 4Å: Chain A: I.94, G.95, I.200, G.201 Chain B: I.94, G.95, I.200, G.201 Ligands: K.5, K.11 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Metal complexes: A:I.94, A:I.200, A:G.201, B:I.94, B:I.200 K.7: 5 residues within 4Å: Chain A: T.93, T.199 Chain B: T.93, T.199 Ligands: K.11 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Metal complexes: A:T.199, B:T.199 K.11: 10 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, K.7 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:T.93, B:T.199, B:I.200, A:T.93, A:I.200

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chen, S. et al., Human TWIK-related acid-sensitive potassium channel TASK3 at pH 6.0, 200 mM KCl. To Be Published

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.
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Potassium channel subfamily K member 9

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