SMTL ID : 7lj4.1

Human TRAAK K+ channel FHEIG mutant A270P in a K+ bound conductive conformation

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.78 Å

Oligo State

hetero-2-2-2-mer

Ligands

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

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

3 x CA: CALCIUM ION(Non-covalent)

CA.5: 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:D.115, A:S.118, A:D.249 CA.6: 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.10: 2 residues within 4Å: Chain F: E.10, K.19 3 PLIP interactions: 3 interactions with chain F Metal complexes: F:E.10, F:E.10, F:K.19

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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