Chlorine in PDB 7oq2: Nak S-Di Mutant Soaked in Na+

The structure of Nak S-Di Mutant Soaked in Na+, PDB code: 7oq2 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)	59.73 / 1.70
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	81.204, 88.173, 49.389, 90, 90, 90
R / Rfree (%)	18.6 / 23.3

The structure of Nak S-Di Mutant Soaked in Na+ also contains other interesting chemical elements:

Potassium	(K)	2 atoms
Sodium	(Na)	4 atoms

The binding sites of Chlorine atom in the Nak S-Di Mutant Soaked in Na+ (pdb code 7oq2). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the Nak S-Di Mutant Soaked in Na+, PDB code: 7oq2:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in the Nak S-Di Mutant Soaked in Na+


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Nak S-Di Mutant Soaked in Na+ within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl220 b:31.7 occ:1.00 H A:ILE51 2.4 24.6 1.0 HD2 A:PRO50 2.7 30.8 1.0 HG22 A:ILE51 2.7 25.6 1.0 HB2 A:PRO50 3.0 25.9 1.0 HB3 A:ARG49 3.2 29.1 1.0 HB A:ILE51 3.2 23.5 1.0 N A:ILE51 3.3 20.4 1.0 O B:HOH305 3.5 43.1 1.0 CD A:PRO50 3.5 25.7 1.0 CG2 A:ILE51 3.5 21.3 1.0 HH21 A:ARG49 3.6 46.4 1.0 HG21 A:ILE51 3.6 25.6 1.0 HG2 A:PRO50 3.6 31.3 1.0 CB A:PRO50 3.7 21.6 1.0 N A:PRO50 3.7 20.2 1.0 CB A:ILE51 3.7 19.6 1.0 CG A:PRO50 3.8 26.1 1.0 NH2 A:ARG49 3.9 38.6 1.0 O B:HOH339 3.9 57.1 1.0 CA A:PRO50 4.1 21.5 1.0 CA A:ILE51 4.1 19.0 1.0 HE A:ARG49 4.1 45.0 1.0 C A:PRO50 4.1 18.2 1.0 CB A:ARG49 4.1 24.2 1.0 HH22 A:ARG49 4.2 46.4 1.0 CZ A:ARG49 4.3 38.3 1.0 HD3 A:PRO50 4.3 30.8 1.0 HG23 A:ILE51 4.3 25.6 1.0 C A:ARG49 4.3 26.9 1.0 NE A:ARG49 4.4 37.5 1.0 HB2 A:ARG49 4.5 29.1 1.0 HB3 A:PRO50 4.5 25.9 1.0 HA A:ILE51 4.6 22.8 1.0 CA A:ARG49 4.7 27.3 1.0 HA A:ARG49 4.7 32.8 1.0 H A:ASP52 4.8 20.6 1.0 HG3 A:PRO50 4.8 31.3 1.0

Chlorine binding site 2 out of 2 in the Nak S-Di Mutant Soaked in Na+


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Nak S-Di Mutant Soaked in Na+ within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl206 b:40.8 occ:1.00 H B:ILE51 2.4 28.2 1.0 HD2 B:PRO50 2.8 30.6 1.0 HB2 B:PRO50 2.9 32.2 1.0 O B:HOH331 3.0 32.4 1.0 HG22 B:ILE51 3.1 31.7 1.0 HB B:ILE51 3.1 29.4 1.0 N B:ILE51 3.2 23.5 1.0 H11 B:MPD204 3.2 55.9 0.7 HB3 B:ARG49 3.2 28.1 1.0 HH21 B:ARG49 3.3 40.5 1.0 H13 B:MPD204 3.3 55.9 0.7 CD B:PRO50 3.5 25.5 1.0 C1 B:MPD204 3.6 46.5 0.7 CG2 B:ILE51 3.6 26.4 1.0 CB B:PRO50 3.6 26.8 1.0 N B:PRO50 3.7 22.9 1.0 CB B:ILE51 3.7 24.4 1.0 HE B:ARG49 3.7 35.2 1.0 H12 B:MPD204 3.7 55.9 0.7 HG2 B:PRO50 3.7 38.6 1.0 HG21 B:ILE51 3.7 31.7 1.0 NH2 B:ARG49 3.8 33.7 1.0 CG B:PRO50 3.9 32.1 1.0 CA B:PRO50 4.0 25.7 1.0 CA B:ILE51 4.0 24.4 1.0 C B:PRO50 4.0 22.5 1.0 NE B:ARG49 4.2 29.3 1.0 CB B:ARG49 4.2 23.4 1.0 HH22 B:ARG49 4.2 40.5 1.0 CZ B:ARG49 4.3 35.1 1.0 C B:ARG49 4.3 22.4 1.0 HD3 B:PRO50 4.3 30.6 1.0 HA B:ILE51 4.5 29.4 1.0 HB3 B:PRO50 4.5 32.2 1.0 HG23 B:ILE51 4.5 31.7 1.0 HB2 B:ARG49 4.5 28.1 1.0 CA B:ARG49 4.7 21.5 1.0 HA B:ARG49 4.7 25.8 1.0 H B:ASP52 4.8 24.3 1.0 HG3 B:PRO50 4.8 38.6 1.0 H32 B:MPD204 4.9 50.7 0.7 HA B:PRO50 5.0 30.9 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.