SMTL ID : 4ruf.1

Human K2P4.1 (TRAAAK) potassium channel, W262S mutant

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.40 Å

Oligo State

homo-dimer

Ligands

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

K.1: 10 residues within 4Å: Chain A: T.129, I.130, T.238, V.239 Chain B: T.129, I.130, T.238, V.239 Ligands: K.2, K.4 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Metal complexes: A:I.130, A:T.238, A:V.239, B:T.129, B:I.130 K.2: 5 residues within 4Å: Chain A: T.129, T.238 Chain B: T.129, T.238 Ligands: K.1 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Metal complexes: A:T.129, A:T.238, B:T.129, B:T.129, B:T.238 K.3: 9 residues within 4Å: Chain A: G.131, Y.132, G.240, F.241 Chain B: G.131, Y.132, G.240, F.241 Ligands: K.4 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Metal complexes: B:Y.132, B:G.240, A:Y.132, A:G.240, A:F.241 K.4: 10 residues within 4Å: Chain A: I.130, G.131, V.239, G.240 Chain B: I.130, G.131, V.239, G.240 Ligands: K.1, K.3 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Metal complexes: A:I.130, A:G.131, A:V.239, B:I.130, B:G.240 K.5: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) K.6: 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., Transmembrane Helix Straightening and Buckling Underlies Activation of Mechanosensitive and Thermosensitive K2P Channels. Neuron (2014)

Release Date

2014-12-17

Peptides

Potassium channel subfamily K member 4: 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 4