SMTL ID : 7wm1.1

Cryo-EM structure of AKT1-AtKC1

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-mer

Ligands

4 x POV: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate(Non-covalent)

POV.1: 12 residues within 4Å: Chain A: A.72, W.73, R.190, K.193, C.196, V.197, L.199, H.203, M.244, L.275, F.276, Y.283 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:A.72, A:V.197, A:F.276 Hydrogen bonds: A:Y.283 Salt bridges: A:R.190, A:K.193, A:K.193, A:K.193 POV.5: 13 residues within 4Å: Chain B: W.102, L.204, V.207, R.226, K.229, C.232, V.233, I.235, F.236, H.239, Y.276, F.312, Y.319 14 PLIP interactions: 14 interactions with chain B Hydrophobic interactions: B:L.204, B:V.207, B:V.233, B:I.235, B:F.236, B:H.239, B:F.312, B:Y.319 Hydrogen bonds: B:Y.319, B:Y.319 Salt bridges: B:R.226, B:K.229, B:K.229, B:K.229 POV.6: 9 residues within 4Å: Chain C: A.72, W.73, R.190, K.193, C.196, V.197, L.199, H.203, Y.283 6 PLIP interactions: 6 interactions with chain C Hydrophobic interactions: C:A.72, C:H.203 Hydrogen bonds: C:Y.283 Salt bridges: C:R.190, C:K.193, C:K.193 POV.7: 12 residues within 4Å: Chain D: W.102, L.204, V.207, R.226, K.229, C.232, V.233, I.235, F.236, H.239, F.312, Y.319 11 PLIP interactions: 11 interactions with chain D Hydrophobic interactions: D:L.204, D:V.207, D:V.233, D:I.235, D:F.236, D:H.239, D:F.312 Hydrogen bonds: D:Y.319 Salt bridges: D:R.226, D:K.229, D:K.229

3 x K: POTASSIUM ION(Non-covalent)

K.2: 9 residues within 4Å: Chain A: T.253, V.254 Chain B: T.289, V.290 Chain C: T.253, V.254 Chain D: T.289, V.290 Ligands: K.3 4 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B, 1 interactions with chain A Metal complexes: D:V.290, C:V.254, B:V.290, A:V.254 K.3: 5 residues within 4Å: Chain A: T.253 Chain B: T.289 Chain C: T.253 Chain D: T.289 Ligands: K.2 5 PLIP interactions: 1 interactions with chain C, 1 interactions with chain B, 2 interactions with chain A, 1 interactions with chain D Metal complexes: C:T.253, B:T.289, A:T.253, A:T.253, D:T.289 K.4: 12 residues within 4Å: Chain A: V.254, G.255, Y.256 Chain B: V.290, G.291, Y.292 Chain C: V.254, G.255, Y.256 Chain D: V.290, G.291, Y.292 4 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B, 1 interactions with chain D, 1 interactions with chain C Metal complexes: A:G.255, B:G.291, D:G.291, C:G.255

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dongliang, L. et al., Structural basis for the regulation mechanism of a hyper polarization-activated K+ channel AKT1 by AtKC1. To Be Published

Release Date

2023-01-25

Peptides

Potassium channel AKT1: AC
Potassium channel KAT3: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

Membrane

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

Potassium channel KAT3