SMTL ID : 7fcv.1

Cryo-EM structure of the Potassium channel AKT1 mutant from Arabidopsis thaliana

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

4 x PTY: PHOSPHATIDYLETHANOLAMINE(Non-covalent)

PTY.1: 15 residues within 4Å: Chain A: A.72, W.73, L.168, V.171, R.190, K.193, C.196, F.200, Y.240, L.275, F.276, G.279, Y.283 Chain B: V.195, T.296 12 PLIP interactions: 11 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:A.72, A:L.168, A:V.171, A:F.200, A:F.276, A:F.276, B:V.195 Hydrogen bonds: A:R.190, A:R.190, A:Y.283 Salt bridges: A:K.193, A:K.193 PTY.5: 15 residues within 4Å: Chain B: A.72, W.73, L.168, V.171, R.190, K.193, C.196, L.199, F.200, L.275, F.276, G.279, Y.283 Chain C: V.195, T.296 14 PLIP interactions: 13 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: B:A.72, B:L.168, B:V.171, B:L.199, B:F.200, B:F.276, B:F.276, C:V.195 Hydrogen bonds: B:R.190, B:R.190, B:Y.283 Salt bridges: B:R.190, B:K.193, B:K.193 PTY.6: 17 residues within 4Å: Chain C: A.72, W.73, L.168, V.171, R.190, K.193, C.196, L.199, F.200, Y.240, L.275, F.276, G.279, Y.283 Chain D: V.195, T.198, T.296 13 PLIP interactions: 2 interactions with chain D, 11 interactions with chain C Hydrophobic interactions: D:V.195, D:T.198, C:A.72, C:L.168, C:V.171, C:F.200, C:F.276, C:F.276 Hydrogen bonds: C:R.190, C:R.190, C:Y.283 Salt bridges: C:K.193, C:K.193 PTY.7: 14 residues within 4Å: Chain A: V.195 Chain D: A.72, W.73, L.168, R.190, K.193, C.196, L.199, F.200, Y.240, L.275, F.276, G.279, Y.283 13 PLIP interactions: 12 interactions with chain D, 1 interactions with chain A Hydrophobic interactions: D:A.72, D:L.168, D:L.199, D:F.200, D:F.276, D:F.276, A:V.195 Hydrogen bonds: D:R.190, D:R.190, D:Y.283 Salt bridges: D:R.190, D:K.193, D:K.193

3 x K: POTASSIUM ION(Non-covalent)

K.2: 8 residues within 4Å: Chain A: G.255, Y.256 Chain B: G.255, Y.256 Chain C: G.255, Y.256 Chain D: G.255, Y.256 4 PLIP interactions: 1 interactions with chain D, 1 interactions with chain A, 1 interactions with chain C, 1 interactions with chain B Metal complexes: D:G.255, A:G.255, C:G.255, B:G.255 K.3: 9 residues within 4Å: Chain A: T.253, V.254 Chain B: T.253, V.254 Chain C: T.253, V.254 Chain D: T.253, V.254 Ligands: K.4 5 PLIP interactions: 2 interactions with chain A, 1 interactions with chain C, 1 interactions with chain B, 1 interactions with chain D Metal complexes: A:T.253, A:V.254, C:V.254, B:V.254, D:V.254 K.4: 5 residues within 4Å: Chain A: T.253 Chain B: T.253 Chain C: T.253 Chain D: T.253 Ligands: K.3 5 PLIP interactions: 2 interactions with chain A, 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B Metal complexes: A:T.253, A:T.253, D:T.253, C:T.253, B:T.253

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lu, Y. et al., Structural basis for the activity regulation of a potassium channel AKT1 from Arabidopsis. Nat Commun (2022)

Release Date

2022-11-09

Peptides

Potassium channel AKT1: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Membrane

We predict this structure to be a membrane protein.
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Potassium channel AKT1