SMTL ID : 4xdj.1 (1 other biounit)

Crystal structure of human two pore domain potassium ion channel TREK2 (K2P10.1) in an alternate conformation (FORM 2)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.80 Å

Oligo State

homo-dimer

Ligands

3 x K: POTASSIUM ION(Non-covalent)

K.1: 9 residues within 4Å: Chain A: I.108, G.109, V.217, G.218 Chain B: I.108, G.109, V.217, G.218 Ligands: K.2 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Metal complexes: A:I.108, A:V.217, A:G.218, B:G.109, B:G.218 K.2: 10 residues within 4Å: Chain A: T.107, I.108, T.216, V.217 Chain B: T.107, I.108, T.216, V.217 Ligands: K.1, K.3 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:T.107, B:I.108, B:V.217, A:I.108, A:T.216 K.3: 5 residues within 4Å: Chain A: T.107, T.216 Chain B: T.107, T.216 Ligands: K.2 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Metal complexes: B:T.107, B:T.216, A:T.107, A:T.107, A:T.216

4 x PC1: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE(Non-covalent)

PC1.4: 4 residues within 4Å: Chain A: V.186, I.194, F.195, L.239 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:V.186, A:I.194, A:I.194, A:F.195 PC1.5: 5 residues within 4Å: Chain A: T.169, R.172, T.176, W.261, L.265 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:T.169, A:T.176, A:W.261, A:L.265 PC1.7: 4 residues within 4Å: Chain B: T.169, R.172, W.261, L.265 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:T.169, B:W.261, B:L.265 PC1.9: 5 residues within 4Å: Chain B: V.186, I.194, F.195, L.239, W.243 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:V.186, B:I.194, B:I.194, B:F.195, B:W.243

2 x TRD: TRIDECANE(Non-covalent)

TRD.6: 7 residues within 4Å: Chain A: T.106, T.107, I.132, F.135, G.136, T.216, L.248 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.135, A:T.216, A:L.248 TRD.8: 10 residues within 4Å: Chain A: I.129, P.133 Chain B: T.106, T.107, I.132, F.135, G.136, L.139, T.216, L.248 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:L.139, B:T.216, A:P.133

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dong, Y.Y. et al., K2P channel gating mechanisms revealed by structures of TREK-2 and a complex with Prozac. Science (2015)

Release Date

2015-03-18

Peptides

POTASSIUM CHANNEL SUBFAMILY K MEMBER 10: 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 10

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