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Potassium in PDB 6xit: Cryo-Em Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with PIP2

Potassium Binding Sites:

The binding sites of Potassium atom in the Cryo-Em Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with PIP2 (pdb code 6xit). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Cryo-Em Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with PIP2, PDB code: 6xit:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in 6xit

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Potassium binding site 1 out of 3 in the Cryo-Em Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with PIP2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Cryo-Em Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with PIP2 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K402

b:96.5
occ:1.00
 O D:GLY156 2.9 5.3 1.0
O A:GLY156 3.0 6.2 1.0
O B:GLY156 3.0 5.3 1.0
O C:GLY156 3.0 5.6 1.0
O A:TYR157 3.0 6.2 1.0
O D:TYR157 3.0 5.3 1.0
O C:TYR157 3.0 5.5 1.0
O B:TYR157 3.0 5.3 1.0
C A:TYR157 3.6 6.2 1.0
C D:TYR157 3.7 5.3 1.0
C C:TYR157 3.7 5.6 1.0
C B:TYR157 3.7 5.3 1.0
CA D:TYR157 4.0 5.3 1.0
CA A:TYR157 4.0 6.2 1.0
CA C:TYR157 4.1 5.6 1.0
CA B:TYR157 4.1 5.3 1.0
C D:GLY156 4.1 5.3 1.0
C A:GLY156 4.1 6.2 1.0
C C:GLY156 4.1 5.6 1.0
C B:GLY156 4.1 5.3 1.0
N A:GLY158 4.5 6.2 1.0
N D:TYR157 4.6 5.3 1.0
N D:GLY158 4.6 5.3 1.0
N A:TYR157 4.6 6.2 1.0
N C:TYR157 4.6 5.6 1.0
N B:TYR157 4.6 5.3 1.0
N B:GLY158 4.6 5.3 1.0
N C:GLY158 4.6 5.4 1.0
CA A:GLY158 4.9 6.2 1.0
CA D:GLY158 5.0 5.3 1.0
CA B:GLY158 5.0 5.3 1.0
CA C:GLY158 5.0 5.4 1.0

Potassium binding site 2 out of 3 in 6xit

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Potassium binding site 2 out of 3 in the Cryo-Em Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with PIP2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Cryo-Em Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with PIP2 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K403

b:93.3
occ:1.00
 K A:K404 2.3 73.0 1.0
O A:ILE155 2.4 5.8 1.0
O C:ILE155 2.4 5.4 1.0
O B:ILE155 2.4 5.3 1.0
O D:ILE155 2.5 5.3 1.0
C A:ILE155 3.5 5.8 1.0
C C:ILE155 3.5 5.4 1.0
C B:ILE155 3.5 5.3 1.0
C D:ILE155 3.5 5.5 1.0
O C:THR154 3.7 5.4 1.0
O A:THR154 3.7 5.8 1.0
O B:THR154 3.7 5.3 1.0
O D:THR154 3.7 5.5 1.0
O A:GLY156 4.1 6.2 1.0
O C:GLY156 4.2 5.6 1.0
O D:GLY156 4.2 5.3 1.0
O B:GLY156 4.2 5.3 1.0
CA A:ILE155 4.3 5.8 1.0
CA C:ILE155 4.3 5.4 1.0
CA B:ILE155 4.3 5.3 1.0
CA D:ILE155 4.3 5.5 1.0
N A:GLY156 4.4 6.2 1.0
N C:GLY156 4.5 5.6 1.0
N D:GLY156 4.5 5.3 1.0
N B:GLY156 4.5 5.3 1.0
CA A:GLY156 4.6 6.2 1.0
C A:THR154 4.6 5.8 1.0
C C:THR154 4.6 5.3 1.0
C D:THR154 4.6 5.5 1.0
C B:THR154 4.6 5.3 1.0
CA C:GLY156 4.6 5.6 1.0
CA D:GLY156 4.6 5.3 1.0
CA B:GLY156 4.6 5.3 1.0
C A:GLY156 4.6 6.2 1.0
C C:GLY156 4.7 5.6 1.0
C D:GLY156 4.7 5.3 1.0
C B:GLY156 4.7 5.3 1.0
N A:ILE155 4.9 5.8 1.0
N C:ILE155 4.9 5.4 1.0
N B:ILE155 4.9 5.3 1.0
N D:ILE155 4.9 5.5 1.0

Potassium binding site 3 out of 3 in 6xit

Go back to Potassium Binding Sites List in 6xit
Potassium binding site 3 out of 3 in the Cryo-Em Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with PIP2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Cryo-Em Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with PIP2 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K404

b:73.0
occ:1.00
 K A:K403 2.3 93.3 1.0
O A:THR154 2.3 5.8 1.0
O C:THR154 2.4 5.4 1.0
O B:THR154 2.5 5.3 1.0
O D:THR154 2.5 5.5 1.0
C A:THR154 3.5 5.8 1.0
O A:ILE155 3.6 5.8 1.0
C C:THR154 3.6 5.3 1.0
O C:ILE155 3.6 5.4 1.0
O B:ILE155 3.7 5.3 1.0
C B:THR154 3.7 5.3 1.0
C D:THR154 3.7 5.5 1.0
O D:ILE155 3.7 5.3 1.0
C A:ILE155 4.1 5.8 1.0
CA A:ILE155 4.1 5.8 1.0
C C:ILE155 4.2 5.4 1.0
CA C:ILE155 4.2 5.4 1.0
CA B:ILE155 4.3 5.3 1.0
C B:ILE155 4.3 5.3 1.0
OG1 C:THR154 4.3 5.4 1.0
C D:ILE155 4.3 5.5 1.0
OG1 A:THR154 4.3 5.8 1.0
CA D:ILE155 4.3 5.5 1.0
N A:ILE155 4.3 5.8 1.0
CB C:THR154 4.3 5.4 1.0
CB A:THR154 4.4 5.8 1.0
OG1 D:THR154 4.4 5.5 1.0
OG1 B:THR154 4.4 5.3 1.0
N C:ILE155 4.4 5.4 1.0
CB D:THR154 4.4 5.5 1.0
CB B:THR154 4.5 5.3 1.0
N B:ILE155 4.5 5.3 1.0
N D:ILE155 4.5 5.5 1.0
CA A:THR154 4.6 5.8 1.0
CA C:THR154 4.6 5.3 1.0
CA D:THR154 4.7 5.5 1.0
CA B:THR154 4.7 5.5 1.0

Reference:

Y.Niu, X.Tao, K.K.Touhara, R.Mackinnon. Cryo-Em Analysis of Pip 2 Regulation in Mammalian Girk Channels. Elife V. 9 2020.
ISSN: ESSN 2050-084X
PubMed: 32844743
DOI: 10.7554/ELIFE.60552
Page generated: Mon Aug 12 18:21:42 2024

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