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Potassium in PDB 9mek: Structure of the Human Twik-2 Potassium Channel

Potassium Binding Sites:

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

Potassium binding site 1 out of 4 in 9mek

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Potassium binding site 1 out of 4 in the Structure of the Human Twik-2 Potassium Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of the Human Twik-2 Potassium Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K401

b:38.2
occ:1.00
 O B:TYR109 2.5 53.7 1.0
O A:TYR109 2.5 53.7 1.0
O A:LEU217 2.9 51.7 1.0
O B:LEU217 3.1 51.7 1.0
O A:GLY216 3.1 36.1 1.0
O B:GLY108 3.2 33.6 1.0
O B:GLY216 3.2 36.1 1.0
O A:GLY108 3.2 33.6 1.0
C B:TYR109 3.3 48.9 1.0
C A:TYR109 3.3 48.9 1.0
C A:LEU217 3.5 45.8 1.0
K A:K402 3.5 30.2 1.0
C B:LEU217 3.6 45.8 1.0
CA A:TYR109 4.0 41.4 1.0
N B:GLY110 4.0 44.9 1.0
CA B:TYR109 4.0 41.4 1.0
CA A:LEU217 4.1 38.8 1.0
N A:GLY110 4.1 44.9 1.0
N A:GLY218 4.2 51.4 1.0
CA B:LEU217 4.2 38.8 1.0
C A:GLY216 4.2 30.7 1.0
C B:GLY108 4.2 28.8 1.0
CA B:GLY110 4.2 53.3 1.0
C A:GLY108 4.3 28.8 1.0
N B:GLY218 4.3 51.4 1.0
C B:GLY216 4.3 30.7 1.0
CA A:GLY110 4.3 53.3 1.0
CA A:GLY218 4.4 54.6 1.0
CA B:GLY218 4.5 54.6 1.0
N A:LEU217 4.6 34.6 1.0
N B:TYR109 4.6 32.6 1.0
N A:TYR109 4.7 32.6 1.0
N B:LEU217 4.8 34.6 1.0

Potassium binding site 2 out of 4 in 9mek

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Potassium binding site 2 out of 4 in the Structure of the Human Twik-2 Potassium Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of the Human Twik-2 Potassium Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K402

b:30.2
occ:1.00
 O B:GLY108 2.5 33.6 1.0
O A:GLY108 2.5 33.6 1.0
O A:GLY216 2.5 36.1 1.0
O B:GLY216 2.6 36.1 1.0
O A:ILE215 2.7 30.8 1.0
O B:ILE215 2.7 30.8 1.0
O B:VAL107 2.8 34.1 1.0
O A:VAL107 2.8 34.1 1.0
K A:K403 3.3 17.0 1.0
C A:GLY216 3.4 30.7 1.0
C B:GLY108 3.4 28.8 1.0
C B:GLY216 3.5 30.7 1.0
C A:GLY108 3.5 28.8 1.0
K A:K401 3.5 38.2 1.0
C A:ILE215 3.8 25.1 1.0
C B:ILE215 3.9 25.1 1.0
C B:VAL107 3.9 29.1 1.0
CA A:GLY216 4.0 24.9 1.0
C A:VAL107 4.0 29.1 1.0
CA B:GLY108 4.0 23.2 1.0
CA B:GLY216 4.0 24.9 1.0
CA A:GLY108 4.0 23.2 1.0
N A:GLY216 4.4 22.9 1.0
N B:GLY216 4.4 22.9 1.0
N A:LEU217 4.4 34.6 1.0
N B:GLY108 4.4 23.2 1.0
N B:TYR109 4.5 32.6 1.0
N B:LEU217 4.5 34.6 1.0
N A:TYR109 4.5 32.6 1.0
N A:GLY108 4.5 23.2 1.0
CA A:LEU217 4.7 38.8 1.0
CA B:TYR109 4.8 41.4 1.0
CA B:LEU217 4.8 38.8 1.0
CA A:TYR109 4.8 41.4 1.0
C B:TYR109 5.0 48.9 1.0

Potassium binding site 3 out of 4 in 9mek

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Potassium binding site 3 out of 4 in the Structure of the Human Twik-2 Potassium Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structure of the Human Twik-2 Potassium Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K403

b:17.0
occ:1.00
 O B:THR106 2.6 30.9 1.0
O A:THR106 2.6 30.9 1.0
O A:THR214 2.6 31.1 1.0
O B:THR214 2.7 31.1 1.0
O A:ILE215 2.8 30.8 1.0
O B:VAL107 2.8 34.1 1.0
O B:ILE215 2.8 30.8 1.0
O A:VAL107 2.8 34.1 1.0
K A:K402 3.3 30.2 1.0
C A:ILE215 3.5 25.1 1.0
C B:ILE215 3.5 25.1 1.0
C B:VAL107 3.6 29.1 1.0
C A:VAL107 3.6 29.1 1.0
K A:K404 3.6 25.9 1.0
C A:THR214 3.7 25.9 1.0
C B:THR106 3.7 25.5 1.0
C B:THR214 3.7 25.9 1.0
C A:THR106 3.7 25.5 1.0
CA A:ILE215 3.8 23.9 1.0
CA B:ILE215 3.9 23.9 1.0
CA B:VAL107 3.9 26.2 1.0
CA A:VAL107 4.0 26.2 1.0
N A:ILE215 4.2 20.2 1.0
N B:ILE215 4.3 20.2 1.0
N B:VAL107 4.3 21.9 1.0
N A:VAL107 4.3 21.9 1.0
N A:GLY216 4.5 22.9 1.0
N B:GLY216 4.5 22.9 1.0
N B:GLY108 4.6 23.2 1.0
N A:GLY108 4.7 23.2 1.0
CA B:THR106 4.8 22.1 1.0
CA A:THR214 4.8 24.3 1.0
CA B:THR214 4.8 24.3 1.0
CA A:THR106 4.9 22.1 1.0
CA A:GLY216 5.0 24.9 1.0
CA B:GLY216 5.0 24.9 1.0
CA B:GLY108 5.0 23.2 1.0

Potassium binding site 4 out of 4 in 9mek

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Potassium binding site 4 out of 4 in the Structure of the Human Twik-2 Potassium Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Structure of the Human Twik-2 Potassium Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K404

b:25.9
occ:1.00
 O A:THR214 2.8 31.1 1.0
O B:THR214 2.8 31.1 1.0
O B:THR106 2.9 30.9 1.0
O A:THR106 2.9 30.9 1.0
OG1 A:THR214 3.3 38.7 1.0
CB A:THR214 3.3 25.5 1.0
OG1 B:THR214 3.3 38.7 1.0
OG1 B:THR106 3.3 33.5 1.0
CB B:THR214 3.4 25.5 1.0
CB B:THR106 3.4 26.1 1.0
OG1 A:THR106 3.4 33.5 1.0
CB A:THR106 3.5 26.1 1.0
K A:K403 3.6 17.0 1.0
C A:THR214 3.7 25.9 1.0
C B:THR106 3.8 25.5 1.0
C B:THR214 3.8 25.9 1.0
C A:THR106 3.9 25.5 1.0
CA A:THR214 4.2 24.3 1.0
CA B:THR214 4.2 24.3 1.0
CA B:THR106 4.2 22.1 1.0
CA A:THR106 4.3 22.1 1.0
CG2 A:THR214 4.5 27.6 1.0
CG2 B:THR214 4.5 27.6 1.0
CG2 B:THR106 4.5 28.4 1.0
CG2 A:THR106 4.6 28.4 1.0
N A:ILE215 4.8 20.2 1.0
N B:VAL107 4.9 21.9 1.0
O A:SER213 4.9 33.4 1.0
N B:ILE215 4.9 20.2 1.0
N A:VAL107 4.9 21.9 1.0
O B:THR105 5.0 28.2 1.0
O B:SER213 5.0 33.4 1.0

Reference:

N.K.Khanra, C.Wang, B.Delgado, S.B.Long. Structure of the Human Twik-2 Potassium Channel and Its Inhibition By Pimozide To Be Published.
Page generated: Sat Aug 9 19:17:53 2025

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