SMTL ID : 7lja.1

Human TRAAK K+ channel FHEIG mutant A198E in a Tl+ bound conductive conformation

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.77 Å

Oligo State

hetero-2-2-2-mer

Ligands

8 x TL: THALLIUM (I) ION(Non-covalent)(Non-functional Binders)

TL.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: TL.2, TL.5 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:I.130, B:T.238, B:V.239, A:T.238, A:V.239 TL.2: 5 residues within 4Å: Chain A: T.129, T.238 Chain B: T.129, T.238 Ligands: TL.1 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:T.129, B:T.129, B:T.238, A:T.129, A:T.238 TL.5: 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: TL.1, TL.8 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:G.131, B:V.239, B:G.240, A:G.131, A:V.239 TL.6: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) TL.7: 2 residues within 4Å: Chain A: C.218, W.223 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:C.218, A:W.223 TL.8: 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: TL.5 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:Y.132, B:F.241, A:Y.132, A:F.241 TL.9: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) TL.10: 3 residues within 4Å: Chain B: C.218, D.222, W.223 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:C.218, B:W.223

3 x CA: CALCIUM ION(Non-covalent)

CA.3: 4 residues within 4Å: Chain A: S.112, D.115, S.118, D.249 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:S.112, A:D.115, A:S.118, A:D.249, A:D.249 CA.4: 4 residues within 4Å: Chain A: G.98, D.100, H.111 Chain B: E.58 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:G.98 CA.11: 2 residues within 4Å: Chain F: E.10, K.19 4 PLIP interactions: 3 interactions with chain F, 1 Ligand-Water interactions Metal complexes: F:E.10, F:E.10, F:K.19, H2O.8

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rietmeijer, R.A. et al., Physical basis for distinct basal and mechanically gated activity of the human K + channel TRAAK. Neuron (2021)

Release Date

2021-06-30

Peptides

Isoform 2 of Potassium channel subfamily K member 4: AB
ANTI-TRAAK ANTIBODY 13E9 FAB FRAGMENT LIGHT CHAIN: CE
ANTI-TRAAK ANTIBODY 13E9 FAB FRAGMENT HEAVY CHAIN: DF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
D

E
F

D
E

F
G

Membrane

We predict this structure to be a membrane protein.
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Isoform 2 of Potassium channel subfamily K member 4

ANTI-TRAAK ANTIBODY 13E9 FAB FRAGMENT LIGHT CHAIN

ANTI-TRAAK ANTIBODY 13E9 FAB FRAGMENT HEAVY CHAIN

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