Potassium in PDB 7pxf: CA2+ Free Drosophila Slo Channel

Other elements in 7pxf:

The structure of CA2+ Free Drosophila Slo Channel also contains other interesting chemical elements:

Magnesium (Mg) 4 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the CA2+ Free Drosophila Slo Channel (pdb code 7pxf). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the CA2+ Free Drosophila Slo Channel, PDB code: 7pxf:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in 7pxf

Go back to Potassium Binding Sites List in 7pxf
Potassium binding site 1 out of 3 in the CA2+ Free Drosophila Slo Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of CA2+ Free Drosophila Slo Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1202

b:135.5
occ:0.25
 O B:THR301 2.9 136.6 1.0
O D:THR301 2.9 136.8 1.0
O C:THR301 2.9 136.2 1.0
O A:VAL302 2.9 135.9 1.0
O A:THR301 2.9 137.0 1.0
O B:VAL302 2.9 135.8 1.0
O C:VAL302 3.0 135.4 1.0
O D:VAL302 3.1 136.3 1.0
K A:K1204 3.5 136.7 0.1
C A:VAL302 3.6 135.9 1.0
K A:K1203 3.6 135.0 0.2
C B:VAL302 3.6 135.8 1.0
C C:VAL302 3.7 135.4 1.0
C D:VAL302 3.8 136.3 1.0
C B:THR301 3.8 136.6 1.0
C A:THR301 3.8 137.0 1.0
C C:THR301 3.8 136.2 1.0
C D:THR301 3.8 136.8 1.0
CA B:VAL302 3.9 135.8 1.0
CA A:VAL302 3.9 135.9 1.0
CA C:VAL302 3.9 135.4 1.0
CA D:VAL302 4.0 136.3 1.0
N B:VAL302 4.3 135.8 1.0
N A:VAL302 4.3 135.9 1.0
N C:VAL302 4.3 135.4 1.0
N D:VAL302 4.4 136.3 1.0
N A:GLY303 4.7 137.6 1.0
N B:GLY303 4.7 137.7 1.0
N C:GLY303 4.7 137.2 1.0
N D:GLY303 4.8 137.9 1.0
CA D:THR301 5.0 136.8 1.0
CA C:THR301 5.0 136.2 1.0
CA B:THR301 5.0 136.6 1.0
CA A:THR301 5.0 137.0 1.0

Potassium binding site 2 out of 3 in 7pxf

Go back to Potassium Binding Sites List in 7pxf
Potassium binding site 2 out of 3 in the CA2+ Free Drosophila Slo Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of CA2+ Free Drosophila Slo Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1203

b:135.0
occ:0.25
 O B:THR301 2.9 136.6 1.0
O A:THR301 2.9 137.0 1.0
O C:THR301 3.0 136.2 1.0
O D:THR301 3.0 136.8 1.0
OG1 D:THR301 3.0 136.8 1.0
OG1 B:THR301 3.0 136.6 1.0
OG1 A:THR301 3.1 137.0 1.0
OG1 C:THR301 3.1 136.2 1.0
K A:K1202 3.6 135.5 0.2
CB D:THR301 3.6 136.8 1.0
CB A:THR301 3.7 137.0 1.0
CB B:THR301 3.7 136.6 1.0
CB C:THR301 3.7 136.2 1.0
C B:THR301 4.0 136.6 1.0
C A:THR301 4.0 137.0 1.0
C C:THR301 4.0 136.2 1.0
C D:THR301 4.1 136.8 1.0
CA A:THR301 4.5 137.0 1.0
CA B:THR301 4.5 136.6 1.0
CA D:THR301 4.5 136.8 1.0
CA C:THR301 4.5 136.2 1.0
CG2 D:THR301 4.8 136.8 1.0
CG2 A:THR301 4.9 137.0 1.0
CG2 B:THR301 4.9 136.6 1.0
O B:SER300 4.9 138.9 1.0
CG2 C:THR301 5.0 136.2 1.0

Potassium binding site 3 out of 3 in 7pxf

Go back to Potassium Binding Sites List in 7pxf
Potassium binding site 3 out of 3 in the CA2+ Free Drosophila Slo Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of CA2+ Free Drosophila Slo Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1204

b:136.7
occ:0.10
 O A:GLY303 2.7 137.6 1.0
O B:VAL302 2.7 135.8 1.0
O B:GLY303 2.7 137.7 1.0
O D:VAL302 2.7 136.3 1.0
O A:VAL302 2.7 135.9 1.0
O C:VAL302 2.8 135.4 1.0
O C:GLY303 2.8 137.2 1.0
O D:GLY303 2.8 137.9 1.0
K A:K1202 3.5 135.5 0.2
C A:GLY303 3.6 137.6 1.0
C B:GLY303 3.6 137.7 1.0
C C:GLY303 3.7 137.2 1.0
C D:GLY303 3.7 137.9 1.0
C B:VAL302 3.8 135.8 1.0
C A:VAL302 3.9 135.9 1.0
C D:VAL302 3.9 136.3 1.0
CA A:GLY303 3.9 137.6 1.0
C C:VAL302 3.9 135.4 1.0
CA B:GLY303 3.9 137.7 1.0
CA D:GLY303 3.9 137.9 1.0
CA C:GLY303 4.0 137.2 1.0
N B:GLY303 4.4 137.7 1.0
N A:GLY303 4.4 137.6 1.0
N D:GLY303 4.4 137.9 1.0
N C:GLY303 4.4 137.2 1.0
N A:TYR304 4.7 141.3 1.0
N B:TYR304 4.7 141.7 1.0
N C:TYR304 4.8 141.6 1.0
N D:TYR304 4.8 142.5 1.0

Reference:

T.Raisch, A.Brockmann, U.Ebbinghaus-Kintscher, J.Freigang, O.Gutbrod, J.Kubicek, B.Maertens, O.Hofnagel, S.Raunser. Small Molecule Modulation of the Drosophila Slo Channel Elucidated By Cryo-Em To Be Published.
DOI: 10.1038/S41467-021-27435-W
Page generated: Fri Dec 17 09:44:13 2021

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