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Potassium in PDB 4wff: Human Traak K+ Channel in A K+ Bound Nonconductive Conformation

Protein crystallography data

The structure of Human Traak K+ Channel in A K+ Bound Nonconductive Conformation, PDB code: 4wff was solved by S.G.Brohawn, R.Mackinnon, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 48.10 / 2.50
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 80.666, 138.891, 96.531, 90.00, 95.15, 90.00
R / Rfree (%) 21.3 / 24.5

Other elements in 4wff:

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

Potassium binding site 1 out of 5 in 4wff

Go back to Potassium Binding Sites List in 4wff
Potassium binding site 1 out of 5 in the Human Traak K+ Channel in A K+ Bound Nonconductive 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 in A K+ Bound Nonconductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K301

b:80.5
occ:1.00
 O A:PHE241 2.4 71.1 1.0
O B:PHE241 2.5 79.3 1.0
O B:TYR132 2.6 72.7 1.0
O A:TYR132 2.6 69.9 1.0
O A:GLY240 2.9 68.8 1.0
O B:GLY131 3.1 72.9 1.0
O A:GLY131 3.1 81.8 1.0
O B:GLY240 3.2 81.7 1.0
C A:PHE241 3.3 80.7 1.0
K A:K302 3.4 86.5 1.0
C A:TYR132 3.5 77.0 1.0
C B:TYR132 3.5 83.9 1.0
C B:PHE241 3.5 78.8 1.0
CA A:PHE241 3.9 77.8 1.0
C A:GLY240 4.0 76.4 1.0
CA B:PHE241 4.1 77.5 1.0
CA A:TYR132 4.1 74.9 1.0
C A:GLY131 4.2 78.4 1.0
CA B:TYR132 4.2 80.7 1.0
C B:GLY131 4.2 81.8 1.0
C B:GLY240 4.3 80.6 1.0
N A:GLY242 4.3 83.2 1.0
N B:GLY133 4.3 95.1 1.0
N A:GLY133 4.4 77.6 1.0
N A:PHE241 4.4 74.2 1.0
N B:GLY242 4.4 80.9 1.0
CA B:GLY133 4.5 90.7 1.0
CA A:GLY133 4.6 81.3 1.0
CA A:GLY242 4.7 82.2 1.0
N A:TYR132 4.7 75.7 1.0
N B:TYR132 4.7 82.9 1.0
N B:PHE241 4.7 79.2 1.0
CA B:GLY242 4.7 83.8 1.0

Potassium binding site 2 out of 5 in 4wff

Go back to Potassium Binding Sites List in 4wff
Potassium binding site 2 out of 5 in the Human Traak K+ Channel in A K+ Bound Nonconductive 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 in A K+ Bound Nonconductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K302

b:86.5
occ:1.00
 O A:GLY240 2.5 68.8 1.0
O B:GLY240 2.5 81.7 1.0
O B:GLY131 2.8 72.9 1.0
O A:GLY131 2.8 81.8 1.0
O A:VAL239 2.8 82.5 1.0
O A:ILE130 2.9 81.5 1.0
O B:VAL239 2.9 81.8 1.0
O B:ILE130 2.9 77.1 1.0
K A:K306 3.1 87.8 1.0
C A:GLY240 3.3 76.4 1.0
C B:GLY240 3.4 80.6 1.0
K A:K301 3.4 80.5 1.0
C B:GLY131 3.5 81.8 1.0
C A:GLY131 3.5 78.4 1.0
CA A:GLY240 3.8 77.0 1.0
C A:VAL239 3.8 76.7 1.0
CA B:GLY131 3.9 83.1 1.0
CA B:GLY240 3.9 81.3 1.0
CA A:GLY131 4.0 78.9 1.0
C B:VAL239 4.0 82.2 1.0
C A:ILE130 4.0 81.2 1.0
C B:ILE130 4.0 81.5 1.0
N A:GLY240 4.3 73.2 1.0
N A:PHE241 4.4 74.2 1.0
N B:PHE241 4.4 79.2 1.0
N B:TYR132 4.4 82.9 1.0
N A:GLY131 4.4 81.2 1.0
N A:TYR132 4.4 75.7 1.0
N B:GLY240 4.4 81.5 1.0
N B:GLY131 4.5 84.6 1.0
CA B:PHE241 4.8 77.5 1.0
CA A:PHE241 4.8 77.8 1.0
CA B:TYR132 4.8 80.7 1.0
CA A:TYR132 4.8 74.9 1.0
O B:PHE241 4.8 79.3 1.0
O B:TYR132 4.8 72.7 1.0
O A:TYR132 4.9 69.9 1.0
O A:PHE241 5.0 71.1 1.0
O A:THR238 5.0 79.5 1.0

Potassium binding site 3 out of 5 in 4wff

Go back to Potassium Binding Sites List in 4wff
Potassium binding site 3 out of 5 in the Human Traak K+ Channel in A K+ Bound Nonconductive 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 in A K+ Bound Nonconductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K303

b:92.0
occ:1.00
 OG1 A:THR238 2.4 91.1 1.0
OG1 B:THR238 2.5 84.8 1.0
OG1 A:THR129 2.6 70.0 1.0
OG1 B:THR129 2.9 87.5 1.0
O B:THR238 3.0 83.2 1.0
O A:THR238 3.1 79.5 1.0
O A:THR129 3.2 69.9 1.0
O B:THR129 3.2 78.3 1.0
CB A:THR238 3.4 91.8 1.0
CB B:THR238 3.4 85.6 1.0
CB A:THR129 3.5 73.1 1.0
K A:K306 3.6 87.8 1.0
CB B:THR129 3.7 84.7 1.0
C B:THR238 3.8 83.7 1.0
C A:THR129 3.9 74.4 1.0
C2 B:D10302 3.9 0.2 1.0
C A:THR238 3.9 83.6 1.0
C B:THR129 4.1 81.9 1.0
CA B:THR238 4.3 84.6 1.0
CA A:THR238 4.3 87.1 1.0
CA A:THR129 4.4 73.5 1.0
CG2 A:THR238 4.5 91.5 1.0
CA B:THR129 4.6 86.3 1.0
C3 B:D10302 4.6 99.9 1.0
CG2 B:THR238 4.6 86.8 1.0
CG2 A:THR129 4.6 72.4 1.0
O A:THR237 4.7 80.5 1.0
O B:THR237 4.7 88.0 1.0
N A:ILE130 4.8 76.0 1.0
N B:VAL239 4.8 83.8 1.0
O A:THR128 4.9 74.1 1.0
CG2 B:THR129 4.9 87.0 1.0
N B:ILE130 5.0 80.9 1.0
N A:VAL239 5.0 82.2 1.0

Potassium binding site 4 out of 5 in 4wff

Go back to Potassium Binding Sites List in 4wff
Potassium binding site 4 out of 5 in the Human Traak K+ Channel in A K+ Bound Nonconductive 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 in A K+ Bound Nonconductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K306

b:87.8
occ:1.00
 O B:THR238 2.6 83.2 1.0
O B:ILE130 2.6 77.1 1.0
O A:THR238 2.7 79.5 1.0
O A:THR129 2.7 69.9 1.0
O A:ILE130 2.7 81.5 1.0
O B:VAL239 2.9 81.8 1.0
O B:THR129 2.9 78.3 1.0
O A:VAL239 3.0 82.5 1.0
K A:K302 3.1 86.5 1.0
C B:VAL239 3.5 82.2 1.0
C B:ILE130 3.5 81.5 1.0
C A:ILE130 3.5 81.2 1.0
C A:VAL239 3.6 76.7 1.0
K A:K303 3.6 92.0 1.0
C B:THR238 3.8 83.7 1.0
C A:THR238 3.8 83.6 1.0
C A:THR129 3.9 74.4 1.0
CA B:VAL239 4.0 83.2 1.0
C B:THR129 4.0 81.9 1.0
CA B:ILE130 4.0 83.1 1.0
CA A:ILE130 4.0 79.5 1.0
CA A:VAL239 4.1 89.0 1.0
N B:GLY240 4.3 81.5 1.0
N B:VAL239 4.3 83.8 1.0
N A:VAL239 4.5 82.2 1.0
N A:GLY131 4.5 81.2 1.0
N A:ILE130 4.5 76.0 1.0
N B:GLY131 4.5 84.6 1.0
N A:GLY240 4.5 73.2 1.0
N B:ILE130 4.5 80.9 1.0
CA B:GLY240 4.6 81.3 1.0
CA A:GLY131 4.7 78.9 1.0
CA B:GLY131 4.8 83.1 1.0
O B:GLY240 4.8 81.7 1.0
CA A:GLY240 4.8 77.0 1.0
OG1 A:THR238 4.8 91.1 1.0
OG1 B:THR238 4.9 84.8 1.0
O A:GLY240 4.9 68.8 1.0
CA A:THR238 4.9 87.1 1.0
CA B:THR238 4.9 84.6 1.0
C B:GLY240 5.0 80.6 1.0

Potassium binding site 5 out of 5 in 4wff

Go back to Potassium Binding Sites List in 4wff
Potassium binding site 5 out of 5 in the Human Traak K+ Channel in A K+ Bound Nonconductive 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 in A K+ Bound Nonconductive Conformation within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K301

b:0.9
occ:1.00
 O B:GLY96 4.7 78.5 1.0

Reference:

S.G.Brohawn, E.B.Campbell, R.Mackinnon. Physical Mechanism For Gating and Mechanosensitivity of the Human Traak K+ Channel Nature 2014.
ISSN: ESSN 1476-4687
Page generated: Sun Dec 13 23:50:14 2020

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