SMTL ID : 4wff.1

Human TRAAK K+ channel in a K+ bound nonconductive conformation

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-2-2-2-mer

Ligands

5 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.2 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Metal complexes: B:Y.132, B:F.241, A:Y.132, A:G.240, A:F.241 K.2: 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.6 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Metal complexes: B:G.131, B:G.240, A:I.130, A:G.131, A:G.240 K.3: 6 residues within 4Å: Chain A: T.129, T.238 Chain B: T.129, T.238 Ligands: K.6, D10.8 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:T.129, A:T.238, B:T.129, B:T.238 K.6: 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.3 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Metal complexes: A:T.129, A:T.238, B:I.130, B:T.238, B:V.239 K.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

3 x CA: CALCIUM ION(Non-covalent)

CA.4: 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.5: 4 residues within 4Å: Chain A: G.98, D.100, H.111 Chain B: E.58 5 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: A:G.98, A:D.100, B:E.58, H2O.1, H2O.2 CA.9: 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.7

1 x D10: DECANE(Non-covalent)

D10.8: 6 residues within 4Å: Chain A: T.129 Chain B: L.236, T.237, F.272, L.276 Ligands: K.3 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:F.272, B:L.276

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Brohawn, S.G. et al., Physical mechanism for gating and mechanosensitivity of the human TRAAK K+ channel. Nature (2014)

Release Date

2014-12-03

Peptides

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.
Show / Hide

Potassium channel subfamily K member 4

ANTI-TRAAK ANTIBODY 13E9 FAB FRAGMENT LIGHT CHAIN

ANTI-TRAAK ANTIBODY 13E9 FAB FRAGMENT HEAVY CHAIN

Related Entries With Identical Sequence