Potassium in PDB 7z8y: Crystal Structure of the SUN1-KASH6 9:6 Complex

The structure of Crystal Structure of the SUN1-KASH6 9:6 Complex, PDB code: 7z8y was solved by M.Gurusaran, O.R.Davies, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.46 / 2.29
Space group	P 63
Cell size a, b, c (Å), α, β, γ (°)	133.762, 133.762, 106.711, 90, 90, 120
R / Rfree (%)	18.5 / 21.8

The structure of Crystal Structure of the SUN1-KASH6 9:6 Complex also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Potassium atom in the Crystal Structure of the SUN1-KASH6 9:6 Complex (pdb code 7z8y). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Crystal Structure of the SUN1-KASH6 9:6 Complex, PDB code: 7z8y:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Crystal Structure of the SUN1-KASH6 9:6 Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of the SUN1-KASH6 9:6 Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:K901 b:25.6 occ:1.00 O A:TYR802 2.6 31.6 1.0 O A:ASP689 2.7 30.4 1.0 O A:VAL684 2.7 30.5 1.0 O A:GLN687 2.8 24.1 1.0 O A:ASN694 3.1 31.5 1.0 O A:HOH1043 3.2 32.2 1.0 C A:VAL684 3.7 24.7 1.0 C A:TYR802 3.8 27.0 1.0 C A:ASP689 3.8 36.4 1.0 C A:GLN687 3.9 28.1 1.0 CG2 A:ILE690 4.2 37.6 1.0 C A:ASN694 4.2 33.5 1.0 CB A:VAL684 4.3 25.8 1.0 N A:ASP689 4.4 34.9 1.0 CA A:VAL684 4.4 28.1 1.0 CA A:TYR802 4.5 24.1 1.0 N A:GLN687 4.6 29.1 1.0 CA A:GLN687 4.6 27.0 1.0 CB A:ARG803 4.6 28.0 1.0 C A:PRO688 4.6 27.4 1.0 N A:VAL685 4.6 24.2 1.0 CA A:ASP689 4.7 28.9 1.0 N A:ILE690 4.7 35.3 1.0 CB A:GLN687 4.7 28.7 1.0 CB A:ASN694 4.7 30.7 1.0 CA A:ILE690 4.7 37.4 1.0 CG2 A:VAL684 4.7 24.6 1.0 N A:ARG803 4.7 22.1 1.0 CA A:VAL685 4.8 25.6 1.0 N A:PRO688 4.8 28.5 1.0 CA A:ARG803 4.8 23.7 1.0 O A:PRO688 5.0 24.9 1.0 C A:VAL685 5.0 27.1 1.0

Potassium binding site 2 out of 3 in the Crystal Structure of the SUN1-KASH6 9:6 Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of the SUN1-KASH6 9:6 Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:K902 b:25.0 occ:0.93 O B:ASP689 2.6 34.6 1.0 O B:TYR802 2.6 25.0 1.0 O B:VAL684 2.7 29.4 1.0 O B:GLN687 2.8 32.2 1.0 O B:ASN694 3.0 26.8 1.0 C B:VAL684 3.7 29.7 1.0 C B:TYR802 3.7 29.1 1.0 C B:ASP689 3.7 31.5 1.0 C B:GLN687 3.9 25.1 1.0 C B:ASN694 4.2 28.1 1.0 CG2 B:ILE690 4.3 35.4 1.0 CB B:VAL684 4.3 23.1 1.0 N B:ASP689 4.3 24.0 1.0 CA B:TYR802 4.4 29.9 1.0 CA B:VAL684 4.4 28.9 1.0 N B:GLN687 4.5 25.2 1.0 CA B:GLN687 4.5 23.7 1.0 CB B:GLN687 4.5 26.5 1.0 CA B:ASP689 4.6 26.0 1.0 C B:PRO688 4.6 26.7 1.0 N B:VAL685 4.6 25.8 1.0 N B:ILE690 4.7 28.1 1.0 CB B:ARG803 4.7 26.6 1.0 CA B:ILE690 4.7 29.9 1.0 CB B:ASN694 4.7 32.6 1.0 N B:ARG803 4.7 26.1 1.0 CG2 B:VAL684 4.7 27.0 1.0 CA B:VAL685 4.7 24.8 1.0 N B:PRO688 4.8 28.0 1.0 CA B:ARG803 4.9 27.0 1.0 C B:VAL685 5.0 27.9 1.0 CB B:TYR802 5.0 30.6 1.0

Potassium binding site 3 out of 3 in the Crystal Structure of the SUN1-KASH6 9:6 Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of the SUN1-KASH6 9:6 Complex within 5.0Å range: probe atom residue distance (Å) B Occ C:K901 b:31.0 occ:1.00 O C:ASP689 2.6 35.0 1.0 O C:TYR802 2.6 29.1 1.0 O C:VAL684 2.7 32.4 1.0 O C:GLN687 2.8 31.2 1.0 O C:ASN694 3.1 36.0 1.0 C C:VAL684 3.7 30.1 1.0 C C:TYR802 3.7 30.3 1.0 C C:ASP689 3.7 31.4 1.0 C C:GLN687 3.9 29.8 1.0 CG2 C:ILE690 4.0 27.4 1.0 C C:ASN694 4.2 36.7 1.0 CB C:VAL684 4.3 33.8 1.0 CA C:VAL684 4.4 30.7 1.0 CA C:TYR802 4.4 31.1 1.0 N C:ASP689 4.4 29.3 1.0 N C:GLN687 4.5 28.1 1.0 CA C:ILE690 4.6 28.3 1.0 N C:VAL685 4.6 26.4 1.0 N C:ILE690 4.6 32.3 1.0 CA C:GLN687 4.6 29.0 1.0 CB C:GLN687 4.7 29.2 1.0 CA C:ASP689 4.7 29.6 1.0 C C:PRO688 4.7 31.9 1.0 CA C:VAL685 4.7 27.1 1.0 CB C:ARG803 4.7 29.5 1.0 CB C:ASN694 4.7 32.3 1.0 CG2 C:VAL684 4.7 35.7 1.0 N C:ARG803 4.7 32.5 1.0 CA C:ARG803 4.9 35.1 1.0 C C:VAL685 4.9 31.2 1.0 N C:PRO688 4.9 30.3 1.0 CB C:ILE690 4.9 26.3 1.0 CB C:TYR802 5.0 25.3 1.0

M.Gurusaran, O.R.Davies. Crystal Structure of SUN1-KASH6 Reveals A Novel Linc Complex Conformation in Which Kash Molecules Are Oriented For Nuclear Membrane Insertion. To Be Published.