Potassium in PDB 4pdv: Structure of K+ Selective Nak Mutant in Barium and Potassium

The structure of Structure of K+ Selective Nak Mutant in Barium and Potassium, PDB code: 4pdv was solved by Y.Lam, W.Zeng, D.B.Sauer, Y.Jiang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	32.80 / 1.82
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	68.065, 68.065, 89.614, 90.00, 90.00, 90.00
R / Rfree (%)	19.7 / 23.2

The structure of Structure of K+ Selective Nak Mutant in Barium and Potassium also contains other interesting chemical elements:

Barium

(Ba)

3 atoms

The binding sites of Potassium atom in the Structure of K+ Selective Nak Mutant in Barium and Potassium (pdb code 4pdv). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the Structure of K+ Selective Nak Mutant in Barium and Potassium, PDB code: 4pdv:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6;

Potassium binding site 1 out of 6 in the Structure of K+ Selective Nak Mutant in Barium and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of K+ Selective Nak Mutant in Barium and Potassium within 5.0Å range: probe atom residue distance (Å) B Occ A:K201 b:23.6 occ:0.14 BA A:BA205 2.7 20.9 0.2 O A:GLY65 2.9 19.0 1.0 O A:VAL64 2.9 19.8 1.0 K A:K203 3.1 19.2 0.2 C A:GLY65 3.6 21.0 1.0 HA3 A:GLY65 3.7 24.6 1.0 C A:VAL64 4.0 21.4 1.0 CA A:GLY65 4.1 20.5 1.0 HA A:TYR66 4.3 25.9 1.0 N A:TYR66 4.5 21.4 1.0 N A:GLY65 4.5 20.8 1.0 O A:THR63 4.8 21.1 1.0 CA A:TYR66 4.8 21.6 1.0 HA2 A:GLY65 5.0 24.6 1.0

Potassium binding site 2 out of 6 in the Structure of K+ Selective Nak Mutant in Barium and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of K+ Selective Nak Mutant in Barium and Potassium within 5.0Å range: probe atom residue distance (Å) B Occ A:K202 b:30.7 occ:0.18 OG1 A:THR63 2.6 20.5 1.0 HB A:THR63 3.0 25.6 1.0 HG1 A:THR63 3.2 24.6 1.0 CB A:THR63 3.3 21.3 1.0 O A:THR63 3.4 21.1 1.0 BA A:BA205 4.0 20.9 0.2 C A:THR63 4.0 23.0 1.0 O A:HOH318 4.2 49.1 0.2 HG21 A:THR63 4.3 24.8 1.0 CA A:THR63 4.3 22.3 1.0 CG2 A:THR63 4.4 20.7 1.0 HA A:VAL64 4.8 24.6 1.0 HA A:THR63 4.9 26.8 1.0 O A:THR62 4.9 22.8 1.0 N A:VAL64 4.9 21.2 1.0 HG23 A:THR63 5.0 24.8 1.0

Potassium binding site 3 out of 6 in the Structure of K+ Selective Nak Mutant in Barium and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structure of K+ Selective Nak Mutant in Barium and Potassium within 5.0Å range: probe atom residue distance (Å) B Occ A:K203 b:19.2 occ:0.24 O A:TYR66 2.9 19.3 1.0 O A:GLY65 3.0 19.0 1.0 K A:K201 3.1 23.6 0.1 C A:TYR66 3.5 22.1 1.0 HA A:TYR66 3.5 25.9 1.0 CA A:TYR66 3.9 21.6 1.0 C A:GLY65 4.0 21.0 1.0 HA3 A:GLY67 4.1 24.6 1.0 N A:GLY67 4.3 18.1 1.0 N A:TYR66 4.5 21.4 1.0 CA A:GLY67 4.8 20.5 1.0 O A:HOH311 4.8 34.4 1.0 H A:GLY67 4.9 21.7 1.0

Potassium binding site 4 out of 6 in the Structure of K+ Selective Nak Mutant in Barium and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Structure of K+ Selective Nak Mutant in Barium and Potassium within 5.0Å range: probe atom residue distance (Å) B Occ B:K201 b:44.0 occ:0.25 OG1 B:THR63 2.6 31.6 1.0 HB B:THR63 2.9 35.5 1.0 O B:THR63 3.1 35.1 1.0 CB B:THR63 3.3 29.6 1.0 HG1 B:THR63 3.3 37.9 1.0 BA B:BA204 3.9 36.4 0.2 C B:THR63 3.9 32.7 1.0 CA B:THR63 4.3 33.0 1.0 HG21 B:THR63 4.3 34.5 1.0 CG2 B:THR63 4.4 28.7 1.0 HA B:VAL64 4.7 35.6 1.0 HA B:THR63 4.8 39.6 1.0 N B:VAL64 4.9 32.6 1.0 O B:THR62 4.9 31.0 1.0 HG23 B:THR63 5.0 34.5 1.0

Potassium binding site 5 out of 6 in the Structure of K+ Selective Nak Mutant in Barium and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Structure of K+ Selective Nak Mutant in Barium and Potassium within 5.0Å range: probe atom residue distance (Å) B Occ B:K202 b:42.6 occ:0.24 O B:TYR66 2.9 45.7 1.0 O B:GLY65 2.9 42.5 1.0 K B:K203 2.9 37.9 0.1 C B:TYR66 3.6 42.5 1.0 HA B:TYR66 3.7 55.1 1.0 C B:GLY65 4.0 39.2 1.0 HA3 B:GLY67 4.1 64.6 1.0 CA B:TYR66 4.1 45.9 1.0 N B:GLY67 4.4 45.9 1.0 N B:TYR66 4.6 35.2 1.0 CA B:GLY67 4.7 53.8 1.0

Potassium binding site 6 out of 6 in the Structure of K+ Selective Nak Mutant in Barium and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Structure of K+ Selective Nak Mutant in Barium and Potassium within 5.0Å range: probe atom residue distance (Å) B Occ B:K203 b:37.9 occ:0.12 O B:GLY65 2.7 42.5 1.0 BA B:BA204 2.8 36.4 0.2 K B:K202 2.9 42.6 0.2 O B:VAL64 3.0 35.6 1.0 C B:GLY65 3.6 39.2 1.0 HA3 B:GLY65 3.6 44.2 1.0 C B:VAL64 4.0 28.0 1.0 CA B:GLY65 4.0 36.9 1.0 HA B:TYR66 4.4 55.1 1.0 N B:GLY65 4.5 37.9 1.0 N B:TYR66 4.5 35.2 1.0 CA B:TYR66 4.9 45.9 1.0 HA2 B:GLY65 4.9 44.2 1.0

Y.Lam, W.Zeng, D.B.Sauer, Y.Jiang. High Resolution Structural Views of Rubidium, Cesium and Barium Binding Within A Potassium Selective Channel Filter To Be Published.