Potassium in PDB 8ctn: Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)

The structure of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field), PDB code: 8ctn was solved by B.Lee, K.I.White, M.A.Socolich, M.A.Klureza, R.Henning, V.Srajer, R.Ranganathan, D.Hekstra, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	21.42 / 2.01
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	68.816, 68.816, 90.365, 90, 90, 90
R / Rfree (%)	15.3 / 19.8

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>>> Page 1 <<< Page 2, Binding sites: 11 - 12;

Binding sites:

The binding sites of Potassium atom in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) (pdb code 8ctn). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 12 binding sites of Potassium where determined in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field), PDB code: 8ctn:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10;

Potassium binding site 1 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ A:K207 b:12.4 occ:0.19 O A:TYR66 2.7 12.1 1.0 K A:K212 3.0 21.1 0.0 O A:GLY65 3.2 13.8 1.0 C A:TYR66 3.4 17.0 1.0 K A:K208 3.7 9.1 0.2 HA A:TYR66 3.7 14.4 1.0 HA3 A:GLY67 3.9 16.0 1.0 CA A:TYR66 4.1 12.0 1.0 N A:GLY67 4.3 14.5 1.0 C A:GLY65 4.3 16.5 1.0 CA A:GLY67 4.6 13.3 1.0 N A:TYR66 4.7 12.8 1.0 H A:GLY67 4.9 17.4 1.0

Potassium binding site 2 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ A:K208 b:9.1 occ:0.23 O A:VAL64 2.8 12.6 1.0 O A:GLY65 2.9 13.8 1.0 K A:K209 3.0 12.7 0.2 C A:GLY65 3.5 16.5 1.0 HA3 A:GLY65 3.6 16.1 1.0 K A:K207 3.7 12.4 0.2 C A:VAL64 3.9 11.6 1.0 CA A:GLY65 4.0 13.4 1.0 HA A:TYR66 4.3 14.4 1.0 N A:GLY65 4.4 13.8 1.0 N A:TYR66 4.5 12.8 1.0 CA A:TYR66 4.8 12.0 1.0 HA2 A:GLY65 4.9 16.1 1.0

Potassium binding site 3 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ A:K209 b:12.7 occ:0.25 O A:THR63 2.7 16.9 1.0 O A:VAL64 2.8 12.6 1.0 K A:K208 3.0 9.1 0.2 C A:VAL64 3.6 11.6 1.0 HA A:VAL64 3.6 13.8 1.0 K A:K210 3.7 14.8 0.2 C A:THR63 3.9 12.7 1.0 CA A:VAL64 4.0 11.5 1.0 HA3 A:GLY65 4.3 16.1 1.0 N A:VAL64 4.4 11.4 1.0 N A:GLY65 4.5 13.8 1.0 HB A:THR63 4.6 14.7 1.0 CA A:GLY65 4.8 13.4 1.0

Potassium binding site 4 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ A:K210 b:14.8 occ:0.24 OG1 A:THR63 2.8 9.4 1.0 HB A:THR63 3.0 14.7 1.0 O A:THR63 3.1 16.9 1.0 CB A:THR63 3.4 12.2 1.0 K A:K209 3.7 12.7 0.2 C A:THR63 3.9 12.7 1.0 CA A:THR63 4.3 11.0 1.0 HG23 A:THR63 4.4 17.5 1.0 CG2 A:THR63 4.6 14.6 1.0 HA A:VAL64 4.7 13.8 1.0 HA A:THR63 4.8 13.2 1.0 N A:VAL64 4.9 11.4 1.0 O A:THR62 5.0 14.2 1.0

Potassium binding site 5 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ A:K211 b:67.7 occ:0.25 HE2 A:PHE92 3.4 34.5 0.2 CE2 A:PHE92 4.1 28.7 0.2 HZ A:PHE92 4.4 25.9 0.2 CZ A:PHE92 4.6 21.6 0.2

Potassium binding site 6 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ A:K212 b:21.1 occ:0.04 K A:K207 3.0 12.4 0.2 O A:TYR66 3.3 12.1 1.0 HA3 A:GLY67 3.8 16.0 1.0 C A:TYR66 4.4 17.0 1.0 CA A:GLY67 4.6 13.3 1.0 C A:GLY67 4.9 18.2 1.0 O A:GLY67 5.0 14.9 1.0

Potassium binding site 7 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ B:K212 b:16.9 occ:0.24 O B:TYR66 2.6 15.7 1.0 O B:GLY65 3.1 15.2 1.0 C B:TYR66 3.4 21.5 1.0 K B:K217 3.7 44.0 0.1 K B:K213 3.7 15.2 0.2 HA B:TYR66 3.7 17.0 1.0 HA3 B:GLY67 3.9 25.2 1.0 CA B:TYR66 4.1 14.2 1.0 C B:GLY65 4.2 15.8 1.0 N B:GLY67 4.3 18.1 1.0 CA B:GLY67 4.6 21.0 1.0 N B:TYR66 4.7 12.0 1.0 H B:GLY67 4.9 21.8 1.0

Potassium binding site 8 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ B:K213 b:15.2 occ:0.25 O B:GLY65 2.7 15.2 1.0 O B:VAL64 2.8 13.3 1.0 K B:K214 3.0 15.3 0.2 HA3 B:GLY65 3.3 22.5 1.0 C B:GLY65 3.4 15.8 1.0 K B:K212 3.7 16.9 0.2 CA B:GLY65 3.8 18.7 1.0 C B:VAL64 3.9 11.1 1.0 N B:GLY65 4.3 15.0 1.0 N B:TYR66 4.4 12.0 1.0 HA B:TYR66 4.4 17.0 1.0 HA2 B:GLY65 4.7 22.5 1.0 CA B:TYR66 4.8 14.2 1.0

Potassium binding site 9 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 9 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ B:K214 b:15.3 occ:0.25 O B:THR63 2.7 16.3 1.0 O B:VAL64 2.7 13.3 1.0 K B:K213 3.0 15.2 0.2 C B:VAL64 3.5 11.1 1.0 HA B:VAL64 3.6 14.4 1.0 K B:K215 3.6 14.8 0.2 C B:THR63 3.9 12.6 1.0 CA B:VAL64 4.0 12.0 1.0 HA3 B:GLY65 4.1 22.5 1.0 N B:VAL64 4.4 13.6 1.0 N B:GLY65 4.4 15.0 1.0 HB B:THR63 4.6 13.7 1.0 CA B:GLY65 4.7 18.7 1.0

Potassium binding site 10 out of 12 in the Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 10 of Structure of A K+ Selective Nak Mutant (NAK2K, Laue Diffraction, No Electric Field) within 5.0Å range: probe atom residue distance (Å) B Occ B:K215 b:14.8 occ:0.25 OG1 B:THR63 2.8 12.1 1.0 O B:THR63 3.0 16.3 1.0 HB B:THR63 3.0 13.7 1.0 CB B:THR63 3.4 11.4 1.0 K B:K214 3.6 15.3 0.2 C B:THR63 3.9 12.6 1.0 CA B:THR63 4.3 10.8 1.0 HG21 B:THR63 4.5 21.4 1.0 CG2 B:THR63 4.6 17.8 1.0 HA B:VAL64 4.6 14.4 1.0 K B:K216 4.8 62.9 0.2 HA B:THR63 4.8 13.0 1.0 N B:VAL64 4.9 13.6 1.0 O B:THR62 5.0 17.3 1.0

B.Lee, K.I.White, M.A.Socolich, M.A.Klureza, R.Henning, V.Srajer, R.Ranganathan, D.Hekstra. Direct Visualization of Electric Field-Stimulated Ion Conduction in A Potassium Channel To Be Published.