SMTL ID : 7t4x.1

AKT1 K+ channel from A. thaliana in MSP2N2 lipid nanodisc

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

5 x K: POTASSIUM ION(Non-covalent)

K.1: 5 residues within 4Å: Chain A: T.253 Chain B: T.253 Chain C: T.253 Chain D: T.253 Ligands: K.2 4 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B, 1 interactions with chain C, 1 interactions with chain D Metal complexes: A:T.253, B:T.253, C:T.253, D:T.253 K.2: 10 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.1, K.3 4 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B, 1 interactions with chain C, 1 interactions with chain D Metal complexes: A:T.253, B:T.253, C:T.253, D:T.253 K.3: 10 residues within 4Å: Chain A: V.254, G.255 Chain B: V.254, G.255 Chain C: V.254, G.255 Chain D: V.254, G.255 Ligands: K.2, K.4 4 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A, 1 interactions with chain D, 1 interactions with chain C Metal complexes: B:G.255, A:G.255, D:G.255, C:G.255 K.4: 12 residues within 4Å: Chain A: G.255, Y.256, G.257 Chain B: G.255, Y.256 Chain C: G.255, Y.256, G.257 Chain D: G.255, Y.256 Ligands: K.3, K.5 No protein-ligand interaction detected (PLIP) K.5: 5 residues within 4Å: Chain A: Y.256 Chain B: Y.256 Chain C: Y.256 Chain D: Y.256 Ligands: K.4 No protein-ligand interaction detected (PLIP)

2 x PTY: PHOSPHATIDYLETHANOLAMINE(Non-covalent)

PTY.6: 33 residues within 4Å: Chain A: C.191, L.194, V.195, T.198, L.199, L.284, N.287, M.288, T.296 Chain B: V.69, A.72, W.73, L.168, V.171, G.172, F.175, E.179, R.190, K.193, C.196, V.197, L.199, F.200, H.203, Y.240, M.244, L.275, F.276, L.278, G.279, L.280, A.282, Y.283 18 PLIP interactions: 13 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:A.72, B:V.171, B:V.197, B:L.199, B:F.200, B:H.203, B:F.276, B:F.276, A:L.194, A:L.284, A:L.284 Hydrogen bonds: B:R.190, B:Y.283, A:T.296, A:T.296 Salt bridges: B:R.190, B:K.193, B:K.193 PTY.7: 33 residues within 4Å: Chain C: C.191, L.194, V.195, T.198, L.199, L.284, N.287, M.288, T.296 Chain D: V.69, A.72, W.73, L.168, V.171, G.172, F.175, E.179, R.190, K.193, C.196, V.197, L.199, F.200, H.203, Y.240, M.244, L.275, F.276, L.278, G.279, L.280, A.282, Y.283 18 PLIP interactions: 13 interactions with chain D, 5 interactions with chain C Hydrophobic interactions: D:A.72, D:V.171, D:V.197, D:L.199, D:F.200, D:H.203, D:F.276, D:F.276, C:L.194, C:L.284, C:L.284 Hydrogen bonds: D:R.190, D:Y.283, C:T.296, C:T.296 Salt bridges: D:R.190, D:K.193, D:K.193

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dickinson, M.S. et al., Symmetry Reduction in a Hyperpolarization-Activated Homotetrameric Ion Channel. Biochemistry (2022)

Release Date

2021-12-22

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

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