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Potassium in PDB 6cnn: Cryo-Em Structure of the Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I

Other elements in 6cnn:

The structure of Cryo-Em Structure of the Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I also contains other interesting chemical elements:

Calcium (Ca) 12 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Cryo-Em Structure of the Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I (pdb code 6cnn). 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 the Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I, PDB code: 6cnn:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 6cnn

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Potassium binding site 1 out of 4 in the Cryo-Em Structure of the Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I


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 Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1001

b:50.1
occ:1.00
 O A:TYR253 2.6 48.1 1.0
O C:TYR253 2.6 48.1 1.0
O B:TYR253 2.6 48.1 1.0
O D:TYR253 2.7 48.1 1.0
O D:GLY252 2.9 53.4 1.0
O A:GLY252 2.9 52.2 1.0
O C:GLY252 2.9 53.0 1.0
O B:GLY252 2.9 50.0 1.0
K A:K1002 3.1 62.9 1.0
C A:TYR253 3.6 48.1 1.0
C C:TYR253 3.6 48.1 1.0
C D:TYR253 3.6 48.1 1.0
C B:TYR253 3.6 48.1 1.0
C D:GLY252 4.1 53.4 1.0
C A:GLY252 4.1 52.2 1.0
C C:GLY252 4.1 53.0 1.0
C B:GLY252 4.1 50.0 1.0
CA D:TYR253 4.1 48.1 1.0
CA A:TYR253 4.1 48.1 1.0
CA C:TYR253 4.1 48.1 1.0
CA B:TYR253 4.1 48.1 1.0
N D:GLY254 4.6 35.3 1.0
N A:GLY254 4.6 35.2 1.0
N C:GLY254 4.6 35.5 1.0
N B:GLY254 4.6 34.8 1.0
N D:TYR253 4.6 48.1 1.0
N A:TYR253 4.6 48.1 1.0
N C:TYR253 4.6 48.1 1.0
N B:TYR253 4.6 48.1 1.0

Potassium binding site 2 out of 4 in 6cnn

Go back to Potassium Binding Sites List in 6cnn
Potassium binding site 2 out of 4 in the Cryo-Em Structure of the Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I


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 Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1002

b:62.9
occ:1.00
 O D:ILE251 2.7 48.1 1.0
O C:ILE251 2.7 48.1 1.0
O B:ILE251 2.7 48.1 1.0
O A:ILE251 2.7 48.1 1.0
O D:GLY252 2.8 53.4 1.0
O C:GLY252 2.8 53.0 1.0
O B:GLY252 2.8 50.0 1.0
O A:GLY252 2.8 52.2 1.0
K A:K1001 3.1 50.1 1.0
K A:K1003 3.3 29.3 1.0
C C:GLY252 3.8 53.0 1.0
C B:GLY252 3.8 50.0 1.0
C D:GLY252 3.8 53.4 1.0
C A:GLY252 3.8 52.2 1.0
C D:ILE251 4.0 48.1 1.0
C C:ILE251 4.0 48.1 1.0
C B:ILE251 4.0 48.1 1.0
C A:ILE251 4.0 48.1 1.0
CA D:GLY252 4.3 53.4 1.0
CA C:GLY252 4.3 53.0 1.0
CA B:GLY252 4.3 50.0 1.0
CA A:GLY252 4.3 52.2 1.0
N D:GLY252 4.6 53.4 1.0
N C:GLY252 4.6 53.0 1.0
N B:GLY252 4.6 50.0 1.0
N A:GLY252 4.6 52.2 1.0
N C:TYR253 4.8 48.1 1.0
N B:TYR253 4.8 48.1 1.0
N D:TYR253 4.8 48.1 1.0
N A:TYR253 4.8 48.1 1.0
O B:TYR253 4.9 48.1 1.0
O A:TYR253 4.9 48.1 1.0
O C:TYR253 4.9 48.1 1.0
O D:TYR253 4.9 48.1 1.0

Potassium binding site 3 out of 4 in 6cnn

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Potassium binding site 3 out of 4 in the Cryo-Em Structure of the Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I


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 Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1003

b:29.3
occ:1.00
 O B:ILE251 3.0 48.1 1.0
O D:ILE251 3.0 48.1 1.0
O C:ILE251 3.0 48.1 1.0
O A:ILE251 3.0 48.1 1.0
O D:THR250 3.0 35.6 1.0
O C:THR250 3.0 35.1 1.0
O A:THR250 3.0 35.5 1.0
O B:THR250 3.0 33.6 1.0
K A:K1002 3.3 62.9 1.0
K A:K1004 3.7 40.2 1.0
C D:ILE251 3.8 48.1 1.0
C A:ILE251 3.8 48.1 1.0
C B:ILE251 3.8 48.1 1.0
C C:ILE251 3.8 48.1 1.0
C D:THR250 4.0 35.6 1.0
C A:THR250 4.0 35.5 1.0
C C:THR250 4.0 35.1 1.0
C B:THR250 4.0 33.6 1.0
CA A:ILE251 4.1 48.1 1.0
CA D:ILE251 4.1 48.1 1.0
CA B:ILE251 4.1 48.1 1.0
CA C:ILE251 4.1 48.1 1.0
N D:ILE251 4.5 48.1 1.0
N A:ILE251 4.5 48.1 1.0
N C:ILE251 4.5 48.1 1.0
N B:ILE251 4.5 48.1 1.0
N D:GLY252 4.9 53.4 1.0
N B:GLY252 4.9 50.0 1.0
N A:GLY252 4.9 52.2 1.0
N C:GLY252 4.9 53.0 1.0

Potassium binding site 4 out of 4 in 6cnn

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Potassium binding site 4 out of 4 in the Cryo-Em Structure of the Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I


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 the Human SK4/Calmodulin Channel Complex in the CA2+ Bound State I within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1004

b:40.2
occ:1.00
 O B:THR250 3.1 33.6 1.0
O A:THR250 3.1 35.5 1.0
O C:THR250 3.1 35.1 1.0
O D:THR250 3.1 35.6 1.0
OG1 D:THR250 3.1 35.6 1.0
OG1 C:THR250 3.1 35.1 1.0
OG1 A:THR250 3.1 35.5 1.0
OG1 B:THR250 3.1 33.6 1.0
K A:K1003 3.7 29.3 1.0
CB D:THR250 3.8 35.6 1.0
CB C:THR250 3.8 35.1 1.0
CB A:THR250 3.8 35.5 1.0
CB B:THR250 3.8 33.6 1.0
C A:THR250 4.2 35.5 1.0
C B:THR250 4.2 33.6 1.0
C C:THR250 4.2 35.1 1.0
C D:THR250 4.2 35.6 1.0
CA C:THR250 4.7 35.1 1.0
CA A:THR250 4.7 35.5 1.0
CA D:THR250 4.7 35.6 1.0
CA B:THR250 4.7 33.6 1.0
CG2 C:THR250 5.0 35.1 1.0
CG2 D:THR250 5.0 35.6 1.0
CG2 A:THR250 5.0 35.5 1.0
CG2 B:THR250 5.0 33.6 1.0

Reference:

C.H.Lee, R.Mackinnon. Activation Mechanism of A Human Sk-Calmodulin Channel Complex Elucidated By Cryo-Em Structures. Science V. 360 508 2018.
ISSN: ESSN 1095-9203
PubMed: 29724949
DOI: 10.1126/SCIENCE.AAS9466
Page generated: Mon Dec 14 00:27:20 2020

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