Potassium in PDB 2hvj: Crystal Structure of Kcsa-Fab-Tba Complex in Low K+

The structure of Crystal Structure of Kcsa-Fab-Tba Complex in Low K+, PDB code: 2hvj was solved by Y.Zhou, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.00 / 2.75
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	156.423, 156.423, 75.797, 90.00, 90.00, 90.00
R / Rfree (%)	22.2 / 24.6

The binding sites of Potassium atom in the Crystal Structure of Kcsa-Fab-Tba Complex in Low K+ (pdb code 2hvj). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of Kcsa-Fab-Tba Complex in Low K+, PDB code: 2hvj:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of Kcsa-Fab-Tba Complex in Low K+


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 Kcsa-Fab-Tba Complex in Low K+ within 5.0Å range: probe atom residue distance (Å) B Occ C:K3001 b:0.5 occ:0.50 O C:GLY77 3.1 25.1 1.0 C C:GLY77 3.7 23.0 1.0 CA C:GLY77 4.2 19.8 1.0 N C:GLY79 4.3 26.2 1.0 C C:TYR78 4.3 25.1 1.0 N C:TYR78 4.4 25.1 1.0 O C:TYR78 4.5 26.9 1.0 CA C:GLY79 4.6 25.8 1.0 CA C:TYR78 4.7 25.1 1.0 O C:HOH4009 4.7 54.9 0.5

Potassium binding site 2 out of 2 in the Crystal Structure of Kcsa-Fab-Tba Complex in Low K+


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 Kcsa-Fab-Tba Complex in Low K+ within 5.0Å range: probe atom residue distance (Å) B Occ C:K3002 b:44.2 occ:0.50 O C:THR75 3.1 25.1 1.0 OG1 C:THR75 3.4 26.1 1.0 CB C:THR75 3.8 25.0 1.0 C C:THR75 4.1 23.6 1.0 C21 C:TBA4001 4.4 20.8 0.2 C41 C:TBA4001 4.4 20.8 0.2 CA C:THR75 4.6 24.3 1.0

S.Yohannan, Y.Hu, Y.Zhou. Crystallographic Study of the Tetrabutylammonium Block to the Kcsa K(+) Channel. J.Mol.Biol. V. 366 806 2007.
ISSN: ISSN 0022-2836
PubMed: 17196615
DOI: 10.1016/J.JMB.2006.11.081