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Potassium in PDB 7lj5: Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation

Protein crystallography data

The structure of Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation, PDB code: 7lj5 was solved by R.A.Rietmeijer, S.G.Brohawn, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 95.45 / 2.26
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 80.16, 136.98, 95.74, 90, 94.47, 90
R / Rfree (%) 22 / 25.2

Other elements in 7lj5:

The structure of Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation also contains other interesting chemical elements:

Calcium (Ca) 3 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation (pdb code 7lj5). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 7 binding sites of Potassium where determined in the Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation, PDB code: 7lj5:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7;

Potassium binding site 1 out of 7 in 7lj5

Go back to Potassium Binding Sites List in 7lj5
Potassium binding site 1 out of 7 in the Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K301

b:61.9
occ:1.00
 O B:PHE241 2.5 71.2 1.0
O B:TYR132 2.5 64.7 1.0
O A:PHE241 2.5 68.9 1.0
O A:TYR132 2.6 67.5 1.0
O A:GLY240 3.0 67.7 1.0
O A:GLY131 3.1 67.7 1.0
O B:GLY240 3.1 70.3 1.0
O B:GLY131 3.2 67.5 1.0
K B:K302 3.3 68.3 1.0
C B:PHE241 3.4 70.8 1.0
C A:TYR132 3.4 66.2 1.0
C A:PHE241 3.4 67.9 1.0
C B:TYR132 3.5 66.8 1.0
CA B:PHE241 4.0 68.7 1.0
CA A:PHE241 4.0 66.8 1.0
C A:GLY240 4.1 66.7 1.0
CA A:TYR132 4.2 66.4 1.0
C B:GLY240 4.2 69.5 1.0
CA B:TYR132 4.2 67.5 1.0
C A:GLY131 4.2 67.5 1.0
C B:GLY131 4.3 68.3 1.0
N A:GLY133 4.3 66.6 1.0
N B:GLY133 4.3 68.0 1.0
N B:GLY242 4.4 72.0 1.0
N A:GLY242 4.4 68.1 1.0
N B:PHE241 4.5 68.3 1.0
N A:PHE241 4.5 66.2 1.0
CA A:GLY133 4.6 66.4 1.0
CA B:GLY133 4.6 68.3 1.0
N A:TYR132 4.6 67.1 1.0
N B:TYR132 4.7 68.9 1.0
CA B:GLY242 4.7 75.0 1.0
CA A:GLY242 4.8 69.2 1.0
K A:K306 4.9 87.7 1.0

Potassium binding site 2 out of 7 in 7lj5

Go back to Potassium Binding Sites List in 7lj5
Potassium binding site 2 out of 7 in the Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K302

b:75.8
occ:1.00
 OG1 B:THR238 2.6 72.0 1.0
OG1 B:THR129 2.7 73.3 1.0
OG1 A:THR238 2.7 71.0 1.0
O A:THR238 2.8 68.1 1.0
O B:THR129 2.8 70.3 1.0
O A:THR129 2.9 72.1 1.0
O B:THR238 2.9 71.5 1.0
OG1 A:THR129 3.0 72.0 1.0
CB A:THR238 3.5 71.4 1.0
CB B:THR129 3.5 73.7 1.0
K B:K301 3.5 71.8 1.0
CB A:THR129 3.5 72.0 1.0
CB B:THR238 3.6 73.1 1.0
C A:THR238 3.7 68.3 1.0
C B:THR129 3.7 71.3 1.0
C A:THR129 3.8 71.0 1.0
C B:THR238 3.9 70.2 1.0
CA B:THR129 4.2 72.8 1.0
CA A:THR238 4.2 70.1 1.0
CA A:THR129 4.3 71.2 1.0
CA B:THR238 4.4 71.3 1.0
CG2 A:THR238 4.7 73.0 1.0
CG2 B:THR238 4.7 74.5 1.0
CG2 B:THR129 4.7 75.5 1.0
N A:VAL239 4.8 67.4 1.0
CG2 A:THR129 4.8 72.9 1.0
N B:ILE130 4.8 71.1 1.0
N A:ILE130 4.8 70.4 1.0
K A:K303 4.9 101.4 1.0
N B:VAL239 4.9 68.7 1.0
O A:THR237 4.9 71.6 1.0
O B:THR128 5.0 71.3 1.0

Potassium binding site 3 out of 7 in 7lj5

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Potassium binding site 3 out of 7 in the Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K303

b:101.4
occ:1.00
 OG1 A:THR238 4.4 71.0 1.0
OG1 A:THR129 4.5 72.0 1.0
OG1 B:THR129 4.8 73.3 1.0
K A:K302 4.9 75.8 1.0

Potassium binding site 4 out of 7 in 7lj5

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Potassium binding site 4 out of 7 in the Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K306

b:87.7
occ:1.00
 K B:K303 3.0 94.6 1.0
O B:HOH433 3.1 72.0 1.0
O B:HOH434 3.3 59.6 1.0
O A:HOH438 3.7 73.0 1.0
O B:GLY133 4.1 68.3 1.0
O A:PHE241 4.2 68.9 1.0
O A:GLY133 4.4 65.5 1.0
O A:TYR132 4.5 67.5 1.0
C B:GLY133 4.6 68.4 1.0
C A:GLY133 4.7 65.9 1.0
O A:GLY242 4.7 71.4 1.0
C A:GLY242 4.8 69.9 1.0
O B:TYR132 4.9 64.7 1.0
N A:ASN134 4.9 66.7 1.0
O B:PHE241 4.9 71.2 1.0
K A:K301 4.9 61.9 1.0
CA A:GLY242 5.0 69.2 1.0
CA A:ASN134 5.0 66.3 1.0

Potassium binding site 5 out of 7 in 7lj5

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Potassium binding site 5 out of 7 in the Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K301

b:71.8
occ:1.00
 O B:VAL239 2.6 69.6 1.0
O B:ILE130 2.7 67.3 1.0
O A:VAL239 2.7 65.0 1.0
O A:THR129 2.7 72.1 1.0
O A:ILE130 2.7 69.3 1.0
O A:THR238 2.7 68.1 1.0
O B:THR238 2.7 71.5 1.0
O B:THR129 2.8 70.3 1.0
K B:K302 3.1 68.3 1.0
C B:VAL239 3.4 68.9 1.0
C A:VAL239 3.5 66.1 1.0
K A:K302 3.5 75.8 1.0
C B:ILE130 3.5 68.7 1.0
C A:ILE130 3.5 68.7 1.0
C A:THR129 3.8 71.0 1.0
C A:THR238 3.8 68.3 1.0
C B:THR238 3.9 70.2 1.0
C B:THR129 3.9 71.3 1.0
CA B:VAL239 4.0 68.5 1.0
CA A:VAL239 4.0 66.7 1.0
CA A:ILE130 4.0 69.2 1.0
CA B:ILE130 4.0 69.9 1.0
N B:VAL239 4.4 68.7 1.0
N A:VAL239 4.4 67.4 1.0
N A:ILE130 4.4 70.4 1.0
N B:GLY240 4.4 69.0 1.0
N B:ILE130 4.4 71.1 1.0
N A:GLY240 4.5 66.2 1.0
N A:GLY131 4.5 68.2 1.0
N B:GLY131 4.5 69.7 1.0
O B:GLY240 4.8 70.3 1.0
CA B:GLY240 4.8 70.0 1.0
CA A:GLY240 4.9 66.9 1.0
OG1 B:THR238 4.9 72.0 1.0
CA B:GLY131 4.9 69.1 1.0
O A:GLY240 4.9 67.7 1.0
CA A:GLY131 4.9 67.9 1.0

Potassium binding site 6 out of 7 in 7lj5

Go back to Potassium Binding Sites List in 7lj5
Potassium binding site 6 out of 7 in the Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K302

b:68.3
occ:1.00
 O B:GLY240 2.4 70.3 1.0
O A:GLY240 2.6 67.7 1.0
O B:GLY131 2.7 67.5 1.0
O A:GLY131 2.7 67.7 1.0
O A:VAL239 2.8 65.0 1.0
O B:VAL239 2.8 69.6 1.0
O B:ILE130 2.9 67.3 1.0
O A:ILE130 2.9 69.3 1.0
K B:K301 3.1 71.8 1.0
K A:K301 3.3 61.9 1.0
C B:GLY240 3.3 69.5 1.0
C A:GLY240 3.5 66.7 1.0
C B:GLY131 3.5 68.3 1.0
C A:GLY131 3.6 67.5 1.0
C B:VAL239 3.9 68.9 1.0
C A:VAL239 3.9 66.1 1.0
CA B:GLY240 3.9 70.0 1.0
C B:ILE130 4.0 68.7 1.0
C A:ILE130 4.0 68.7 1.0
CA A:GLY240 4.1 66.9 1.0
CA B:GLY131 4.1 69.1 1.0
CA A:GLY131 4.1 67.9 1.0
N B:PHE241 4.3 68.3 1.0
N B:GLY240 4.4 69.0 1.0
N B:TYR132 4.4 68.9 1.0
N A:PHE241 4.4 66.2 1.0
N A:GLY240 4.4 66.2 1.0
N B:GLY131 4.4 69.7 1.0
N A:GLY131 4.5 68.2 1.0
N A:TYR132 4.6 67.1 1.0
O B:TYR132 4.7 64.7 1.0
CA B:PHE241 4.7 68.7 1.0
CA B:TYR132 4.8 67.5 1.0
O B:PHE241 4.8 71.2 1.0
CA A:PHE241 4.8 66.8 1.0
O A:TYR132 4.9 67.5 1.0
O A:PHE241 4.9 68.9 1.0
CA A:TYR132 4.9 66.4 1.0
C B:TYR132 5.0 66.8 1.0
C B:PHE241 5.0 70.8 1.0

Potassium binding site 7 out of 7 in 7lj5

Go back to Potassium Binding Sites List in 7lj5
Potassium binding site 7 out of 7 in the Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of Human Traak K+ Channel Fhieg Mutant A198E in A K+ Bound Conductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K303

b:94.6
occ:1.00
 O B:HOH437 2.7 70.6 1.0
O B:HOH434 2.8 59.6 1.0
O A:HOH438 2.9 73.0 1.0
O B:HOH433 3.0 72.0 1.0
K A:K306 3.0 87.7 1.0
O A:HOH436 3.5 58.9 1.0

Reference:

R.A.Rietmeijer, B.Sorum, B.Li, S.G.Brohawn. Physical Basis For Distinct Basal and Mechanically-Gated Activity of the Human K + Channel Traak Biorxiv 2021.
DOI: 10.1101/2021.06.04.447000
Page generated: Sat Aug 9 13:35:28 2025

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