Sodium in PDB 7oq1: Nak S-Elm Mutant with Na+ and K+

The structure of Nak S-Elm Mutant with Na+ and K+, PDB code: 7oq1 was solved by S.Minniberger, A.J.R.Plested, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	59.45 / 1.85
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	81.214, 87.277, 48.98, 90, 90, 90
R / Rfree (%)	16 / 18.6

The structure of Nak S-Elm Mutant with Na+ and K+ also contains other interesting chemical elements:

Potassium	(K)	3 atoms
Chlorine	(Cl)	1 atom

The binding sites of Sodium atom in the Nak S-Elm Mutant with Na+ and K+ (pdb code 7oq1). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total 2 binding sites of Sodium where determined in the Nak S-Elm Mutant with Na+ and K+, PDB code: 7oq1:
Jump to Sodium binding site number: 1; 2;

Sodium binding site 1 out of 2 in the Nak S-Elm Mutant with Na+ and K+


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Nak S-Elm Mutant with Na+ and K+ within 5.0Å range: probe atom residue distance (Å) B Occ B:Na210 b:47.7 occ:0.50 NA B:NA211 2.1 62.1 0.5 OE2 B:GLU67 2.3 68.3 1.0 O B:HOH308 2.9 41.3 1.0 CD B:GLU67 3.0 68.8 1.0 OE1 B:GLU67 3.2 85.6 1.0 HA B:GLU67 3.4 51.9 1.0 HA A:GLU67 3.5 49.1 1.0 K B:K203 3.7 84.2 0.5 HB2 A:GLU67 4.3 59.7 1.0 CA B:GLU67 4.3 43.2 1.0 CG B:GLU67 4.4 56.7 1.0 HG3 A:GLU67 4.4 77.4 1.0 CA A:GLU67 4.4 41.0 1.0 O B:SER66 4.6 35.2 1.0 HG2 B:GLU67 4.6 68.0 1.0 O A:SER66 4.8 33.3 1.0 CB A:GLU67 4.8 49.7 1.0 N B:GLU67 4.8 35.7 1.0 CB B:GLU67 4.8 52.0 1.0 HB3 B:GLU67 4.9 62.4 1.0 C B:SER66 5.0 40.9 1.0

Sodium binding site 2 out of 2 in the Nak S-Elm Mutant with Na+ and K+


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 2 of Nak S-Elm Mutant with Na+ and K+ within 5.0Å range: probe atom residue distance (Å) B Occ B:Na211 b:62.1 occ:0.50 NA B:NA210 2.1 47.7 0.5 OE1 B:GLU67 2.3 85.6 1.0 CD B:GLU67 2.9 68.8 1.0 OE2 B:GLU67 3.0 68.3 1.0 HG3 A:GLU67 3.6 77.4 1.0 HA B:GLU67 3.8 51.9 1.0 HA A:GLU67 4.0 49.1 1.0 OE2 A:GLU67 4.0 85.0 1.0 HB3 B:GLU67 4.3 62.4 1.0 CG B:GLU67 4.3 56.7 1.0 CG A:GLU67 4.4 64.5 1.0 HB2 A:GLU67 4.5 59.7 1.0 O B:HOH308 4.6 41.3 1.0 CA B:GLU67 4.6 43.2 1.0 CB B:GLU67 4.6 52.0 1.0 CD A:GLU67 4.6 87.5 1.0 HG3 B:GLU67 4.7 68.0 1.0 CB A:GLU67 4.8 49.7 1.0 CA A:GLU67 4.8 41.0 1.0 HG2 B:GLU67 4.9 68.0 1.0 O A:GLU67 5.0 48.5 1.0

S.Minniberger, S.Abdolvand, S.Braunbeck, H.Sun, A.J.R.Plested. Asymmetry and Ion Selectivity Properties in the Bacterial Channel Nak Mimicking Ionotropic Glutamate Receptors To Be Published.