Potassium in PDB 2hvk: Crystal Structure of the Kcsa-Fab-Tba Complex in High K+

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

Resolution Low / High (Å)	27.00 / 1.90
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	155.874, 155.874, 76.159, 90.00, 90.00, 90.00
R / Rfree (%)	22.8 / 24.5

The binding sites of Potassium atom in the Crystal Structure of the Kcsa-Fab-Tba Complex in High K+ (pdb code 2hvk). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the Crystal Structure of the Kcsa-Fab-Tba Complex in High K+, PDB code: 2hvk:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6;

Potassium binding site 1 out of 6 in the Crystal Structure of the Kcsa-Fab-Tba Complex in High 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 the Kcsa-Fab-Tba Complex in High K+ within 5.0Å range: probe atom residue distance (Å) B Occ C:K3001 b:15.5 occ:0.25 O C:TYR78 3.0 19.1 1.0 O C:GLY77 3.2 15.1 1.0 C C:TYR78 3.5 20.1 1.0 K C:K3002 3.6 15.6 0.2 N C:GLY79 4.1 17.7 1.0 K C:K3005 4.2 73.1 0.2 CA C:TYR78 4.2 19.8 1.0 CA C:GLY79 4.3 19.4 1.0 C C:GLY77 4.4 20.4 1.0 N C:TYR78 4.8 16.1 1.0

Potassium binding site 2 out of 6 in the Crystal Structure of the Kcsa-Fab-Tba Complex in High 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 the Kcsa-Fab-Tba Complex in High K+ within 5.0Å range: probe atom residue distance (Å) B Occ C:K3002 b:15.6 occ:0.25 K C:K3003 3.0 14.6 0.2 O C:GLY77 3.0 15.1 1.0 O C:VAL76 3.0 17.4 1.0 K C:K3001 3.6 15.5 0.2 C C:GLY77 3.7 20.4 1.0 C C:VAL76 4.1 19.5 1.0 CA C:GLY77 4.1 17.5 1.0 N C:GLY77 4.6 16.6 1.0 N C:TYR78 4.6 16.1 1.0 CA C:TYR78 4.9 19.8 1.0

Potassium binding site 3 out of 6 in the Crystal Structure of the Kcsa-Fab-Tba Complex in High K+


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 Kcsa-Fab-Tba Complex in High K+ within 5.0Å range: probe atom residue distance (Å) B Occ C:K3003 b:14.6 occ:0.25 K C:K3002 3.0 15.6 0.2 O C:THR75 3.0 15.6 1.0 O C:VAL76 3.1 17.4 1.0 K C:K3004 3.6 15.3 0.2 C C:VAL76 3.7 19.5 1.0 C C:THR75 4.1 18.8 1.0 CA C:VAL76 4.1 17.4 1.0 N C:GLY77 4.6 16.6 1.0 N C:VAL76 4.6 17.0 1.0 CA C:GLY77 4.9 17.5 1.0

Potassium binding site 4 out of 6 in the Crystal Structure of the Kcsa-Fab-Tba Complex in High K+


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Crystal Structure of the Kcsa-Fab-Tba Complex in High K+ within 5.0Å range: probe atom residue distance (Å) B Occ C:K3004 b:15.3 occ:0.25 OG1 C:THR75 3.1 21.2 1.0 O C:THR75 3.1 15.6 1.0 K C:K3003 3.6 14.6 0.2 CB C:THR75 3.7 17.6 1.0 C C:THR75 4.0 18.8 1.0 CA C:THR75 4.5 17.3 1.0 C21 C:TBA4001 4.7 20.8 0.2 C41 C:TBA4001 4.7 20.8 0.2 O C:THR74 4.8 16.8 1.0 CG2 C:THR75 4.9 18.9 1.0 N C:VAL76 5.0 17.0 1.0

Potassium binding site 5 out of 6 in the Crystal Structure of the Kcsa-Fab-Tba Complex in High K+


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Crystal Structure of the Kcsa-Fab-Tba Complex in High K+ within 5.0Å range: probe atom residue distance (Å) B Occ C:K3005 b:73.1 occ:0.25 K C:K3006 3.0 78.0 0.2 O C:TYR78 4.2 19.1 1.0 K C:K3001 4.2 15.5 0.2 CA C:GLY79 4.8 19.4 1.0 O C:GLY79 4.9 20.4 1.0

Potassium binding site 6 out of 6 in the Crystal Structure of the Kcsa-Fab-Tba Complex in High K+


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Crystal Structure of the Kcsa-Fab-Tba Complex in High K+ within 5.0Å range: probe atom residue distance (Å) B Occ C:K3006 b:78.0 occ:0.25 K C:K3005 3.0 73.1 0.2

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