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Potassium in PDB 9jgz: Cryo-Em Structure of Human KCNK13.

Potassium Binding Sites:

The binding sites of Potassium atom in the Cryo-Em Structure of Human KCNK13. (pdb code 9jgz). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Cryo-Em Structure of Human KCNK13., PDB code: 9jgz:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 9jgz

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Potassium binding site 1 out of 4 in the Cryo-Em Structure of Human KCNK13.


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 Human KCNK13. within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K510

b:30.0
occ:1.00
 O A:GLY239 2.6 89.9 1.0
O A:GLY112 2.7 87.2 1.0
O B:ILE238 2.7 88.5 1.0
O B:GLY239 2.7 89.9 1.0
O B:ILE111 2.7 86.8 1.0
O B:GLY112 2.7 87.2 1.0
O A:ILE238 2.7 88.5 1.0
O A:ILE111 2.7 86.8 1.0
K B:K511 2.8 98.5 1.0
K B:K510 3.1 113.5 1.0
C A:GLY239 3.5 84.6 1.0
C B:GLY239 3.6 84.6 1.0
C A:GLY112 3.6 81.9 1.0
C B:GLY112 3.6 81.9 1.0
C B:ILE238 3.8 80.6 1.0
C A:ILE238 3.8 80.6 1.0
C B:ILE111 3.8 83.3 1.0
C A:ILE111 3.9 83.3 1.0
CA B:GLY239 3.9 79.4 1.0
CA A:GLY239 3.9 79.4 1.0
CA A:GLY112 4.0 80.0 1.0
CA B:GLY112 4.0 80.0 1.0
N B:GLY239 4.3 75.7 1.0
N A:GLY239 4.3 75.7 1.0
N B:GLY112 4.4 80.7 1.0
N A:GLY112 4.4 80.7 1.0
N A:PHE240 4.6 83.8 1.0
N A:PHE113 4.6 81.8 1.0
N B:PHE240 4.7 83.8 1.0
N B:PHE113 4.7 81.8 1.0
O B:THR237 4.9 87.6 1.0
O A:THR237 5.0 87.6 1.0
CA B:ILE238 5.0 77.7 1.0
CA A:PHE113 5.0 84.8 1.0

Potassium binding site 2 out of 4 in 9jgz

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Potassium binding site 2 out of 4 in the Cryo-Em Structure of Human KCNK13.


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 Human KCNK13. within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K511

b:119.3
occ:1.00
 O A:THR110 2.6 87.1 1.0
O B:THR110 2.7 87.1 1.0
O A:THR237 2.8 87.6 1.0
O B:THR237 2.9 87.6 1.0
OG1 B:THR110 3.0 88.9 1.0
OG1 A:THR110 3.1 88.9 1.0
OG1 A:THR237 3.2 88.2 1.0
OG1 B:THR237 3.2 88.2 1.0
K B:K511 3.4 98.5 1.0
CB B:THR110 3.5 82.6 1.0
CB A:THR237 3.5 82.6 1.0
CB A:THR110 3.6 82.6 1.0
CB B:THR237 3.6 82.6 1.0
C A:THR110 3.7 82.7 1.0
C A:THR237 3.7 81.8 1.0
C B:THR110 3.7 82.7 1.0
C B:THR237 3.8 81.8 1.0
CA A:THR237 4.2 77.8 1.0
CA B:THR110 4.2 80.6 1.0
CA A:THR110 4.3 80.6 1.0
CA B:THR237 4.4 77.8 1.0
N A:ILE238 4.7 77.6 1.0
N A:ILE111 4.7 80.8 1.0
N B:ILE111 4.7 80.8 1.0
CG2 B:THR110 4.8 76.9 1.0
CG2 A:THR237 4.8 82.1 1.0
N B:ILE238 4.8 77.6 1.0
CG2 B:THR237 4.9 82.1 1.0
CG2 A:THR110 4.9 76.9 1.0
O A:SER109 5.0 86.1 1.0
O B:SER109 5.0 86.1 1.0
CA A:ILE111 5.0 80.2 1.0
CA A:ILE238 5.0 77.7 1.0

Potassium binding site 3 out of 4 in 9jgz

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Potassium binding site 3 out of 4 in the Cryo-Em Structure of Human KCNK13.


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 Human KCNK13. within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K510

b:113.5
occ:1.00
 O B:GLY239 2.6 89.9 1.0
O B:GLY112 2.8 87.2 1.0
O A:GLY239 2.9 89.9 1.0
O B:PHE113 2.9 96.4 1.0
O A:GLY112 3.0 87.2 1.0
O B:PHE240 3.0 99.9 1.0
O A:PHE240 3.1 99.9 1.0
O A:PHE113 3.1 96.4 1.0
K A:K510 3.1 30.0 1.0
C B:PHE113 3.5 90.5 1.0
C B:PHE240 3.5 92.2 1.0
C A:PHE113 3.7 90.5 1.0
C A:PHE240 3.7 92.2 1.0
C B:GLY239 3.8 84.6 1.0
C B:GLY112 3.9 81.9 1.0
C A:GLY239 4.1 84.6 1.0
CA B:PHE113 4.1 84.8 1.0
CA B:PHE240 4.1 84.6 1.0
C A:GLY112 4.1 81.9 1.0
N B:GLY114 4.2 89.4 1.0
N B:GLY241 4.3 90.0 1.0
CA A:PHE240 4.3 84.6 1.0
CA A:PHE113 4.4 84.8 1.0
N A:GLY114 4.4 89.4 1.0
N B:PHE240 4.5 83.8 1.0
CA B:GLY114 4.5 94.5 1.0
N A:GLY241 4.5 90.0 1.0
N B:PHE113 4.5 81.8 1.0
CA A:GLY114 4.6 94.5 1.0
CA B:GLY241 4.6 90.1 1.0
N A:PHE240 4.7 83.8 1.0
N A:PHE113 4.8 81.8 1.0
CA A:GLY241 4.8 90.1 1.0
CA B:GLY239 4.9 79.4 1.0
O B:ILE238 5.0 88.5 1.0

Potassium binding site 4 out of 4 in 9jgz

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Potassium binding site 4 out of 4 in the Cryo-Em Structure of Human KCNK13.


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Cryo-Em Structure of Human KCNK13. within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K511

b:98.5
occ:1.00
 O B:ILE111 2.6 86.8 1.0
O A:ILE111 2.7 86.8 1.0
O B:THR237 2.7 87.6 1.0
O A:ILE238 2.8 88.5 1.0
K A:K510 2.8 30.0 1.0
O B:ILE238 2.8 88.5 1.0
O A:THR237 2.8 87.6 1.0
O B:THR110 2.8 87.1 1.0
O A:THR110 3.0 87.1 1.0
K A:K511 3.4 119.3 1.0
C B:ILE111 3.5 83.3 1.0
C B:ILE238 3.5 80.6 1.0
C A:ILE238 3.5 80.6 1.0
C A:ILE111 3.5 83.3 1.0
C B:THR237 3.8 81.8 1.0
C A:THR237 3.9 81.8 1.0
C B:THR110 3.9 82.7 1.0
CA B:ILE111 3.9 80.2 1.0
CA B:ILE238 4.0 77.7 1.0
CA A:ILE238 4.0 77.7 1.0
C A:THR110 4.0 82.7 1.0
CA A:ILE111 4.0 80.2 1.0
N B:ILE238 4.4 77.6 1.0
N B:GLY239 4.4 75.7 1.0
N B:ILE111 4.4 80.8 1.0
N A:GLY239 4.4 75.7 1.0
N A:ILE238 4.5 77.6 1.0
N B:GLY112 4.5 80.7 1.0
N A:GLY112 4.5 80.7 1.0
N A:ILE111 4.5 80.8 1.0
CA B:GLY239 4.8 79.4 1.0
O A:GLY112 4.8 87.2 1.0
CA A:GLY239 4.8 79.4 1.0
O A:GLY239 4.8 89.9 1.0
O B:GLY112 4.8 87.2 1.0
CA B:GLY112 4.8 80.0 1.0
O B:GLY239 4.8 89.9 1.0
CA A:GLY112 4.8 80.0 1.0

Reference:

F.Xiangyun, J.Haichao, W.Jin, Z.Ran, L.Baobin. Cryo-Em Structure of A Full Length K2P Ion Channel. Nat.Struct.Mol.Biol. 2025.
ISSN: ESSN 1545-9985
DOI: 10.1038/S41594-025-01542-4
Page generated: Sat Aug 9 19:17:04 2025

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