Caesium in PDB 3e86: High Resolution Crystal Structure of the Open Nak Channel Pore

The structure of High Resolution Crystal Structure of the Open Nak Channel Pore, PDB code: 3e86 was solved by Y.Jiang, A.Alam, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	34.01 / 1.60
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	68.030, 68.030, 89.264, 90.00, 90.00, 90.00
R / Rfree (%)	21.2 / 24.2

The structure of High Resolution Crystal Structure of the Open Nak Channel Pore also contains other interesting chemical elements:

Calcium	(Ca)	1 atom
Sodium	(Na)	4 atoms

The binding sites of Caesium atom in the High Resolution Crystal Structure of the Open Nak Channel Pore (pdb code 3e86). This binding sites where shown within 5.0 Angstroms radius around Caesium atom.
In total 2 binding sites of Caesium where determined in the High Resolution Crystal Structure of the Open Nak Channel Pore, PDB code: 3e86:
Jump to Caesium binding site number: 1; 2;

Caesium binding site 1 out of 2 in the High Resolution Crystal Structure of the Open Nak Channel Pore


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 1 of High Resolution Crystal Structure of the Open Nak Channel Pore within 5.0Å range: probe atom residue distance (Å) B Occ A:Cs1 b:19.5 occ:0.70 NA A:NA4 2.4 54.5 0.2 O A:THR63 2.7 17.5 1.0 O A:VAL64 3.0 20.0 1.0 C A:VAL64 3.7 18.4 1.0 C A:THR63 3.9 17.1 1.0 CA A:VAL64 4.2 14.7 1.0 N A:GLY65 4.5 16.4 1.0 N A:VAL64 4.5 17.0 1.0 CA A:GLY65 4.8 19.1 1.0 NA A:NA5 4.9 20.9 0.2

Caesium binding site 2 out of 2 in the High Resolution Crystal Structure of the Open Nak Channel Pore


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 2 of High Resolution Crystal Structure of the Open Nak Channel Pore within 5.0Å range: probe atom residue distance (Å) B Occ B:Cs2 b:31.9 occ:0.64 NA B:NA7 2.6 46.0 0.2 O B:THR63 2.7 29.1 1.0 O B:VAL64 3.1 34.7 1.0 C B:VAL64 3.6 33.0 1.0 C B:THR63 3.9 29.3 1.0 CA B:VAL64 4.2 29.3 1.0 N B:GLY65 4.4 34.6 1.0 N B:VAL64 4.5 28.8 1.0 CA B:GLY65 4.8 37.1 1.0 NA B:NA6 4.9 35.6 0.2

A.Alam, Y.Jiang. High-Resolution Structure of the Open Nak Channel Nat.Struct.Mol.Biol. V. 16 30 2009.
ISSN: ISSN 1545-9993
PubMed: 19098917
DOI: 10.1038/NSMB.1531