Potassium in PDB 6w0i: Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2

The structure of Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2, PDB code: 6w0i was solved by A.Rohaim, L.Gong, J.Li, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	67.97 / 2.33
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	154.238, 154.238, 75.720, 90.00, 90.00, 90.00
R / Rfree (%)	20 / 23.2

The binding sites of Potassium atom in the Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2 (pdb code 6w0i). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2, PDB code: 6w0i:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6;

Potassium binding site 1 out of 6 in the Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2 within 5.0Å range:

Potassium binding site 2 out of 6 in the Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2 within 5.0Å range: probe atom residue distance (Å) B Occ C:K202 b:36.4 occ:0.25 OG1 C:THR75 2.8 32.9 1.0 O C:THR75 3.0 37.0 1.0 K C:K203 3.5 36.5 0.2 CB C:THR75 3.5 38.1 1.0 C C:THR75 3.8 40.3 1.0 CA C:THR75 4.3 40.5 1.0 CG2 C:THR75 4.8 35.5 1.0 O C:THR74 4.8 36.2 1.0 N C:VAL76 4.9 35.3 1.0

Potassium binding site 3 out of 6 in the Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2 within 5.0Å range: probe atom residue distance (Å) B Occ C:K203 b:36.5 occ:0.25 O C:THR75 2.7 37.0 1.0 O C:VAL76 2.8 35.9 1.0 K C:K205 3.1 36.2 0.2 K C:K202 3.5 36.4 0.2 C C:VAL76 3.6 38.5 1.0 C C:THR75 3.9 40.3 1.0 CA C:VAL76 4.0 39.5 1.0 N C:VAL76 4.5 35.3 1.0 N C:GLY77 4.6 39.4 1.0

Potassium binding site 4 out of 6 in the Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2 within 5.0Å range: probe atom residue distance (Å) B Occ C:K204 b:39.6 occ:0.25 O C:TYR78 2.8 31.8 1.0 O C:GLY77 3.1 36.1 1.0 K C:K205 3.4 36.2 0.2 C C:TYR78 3.4 41.7 1.0 N C:GLY79 4.1 31.8 1.0 CA C:TYR78 4.1 42.1 1.0 C C:GLY77 4.2 37.2 1.0 CA C:GLY79 4.4 34.7 1.0 N C:TYR78 4.7 33.0 1.0

Potassium binding site 5 out of 6 in the Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2 within 5.0Å range: probe atom residue distance (Å) B Occ C:K205 b:36.2 occ:0.25 O C:GLY77 2.7 36.1 1.0 O C:VAL76 2.8 35.9 1.0 K C:K203 3.1 36.5 0.2 K C:K204 3.4 39.6 0.2 C C:GLY77 3.6 37.2 1.0 C C:VAL76 4.0 38.5 1.0 CA C:GLY77 4.1 39.8 1.0 N C:TYR78 4.5 33.0 1.0 N C:GLY77 4.5 39.4 1.0 CA C:TYR78 4.8 42.1 1.0

Potassium binding site 6 out of 6 in the Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Closed-Gate Kcsa Soaked in 10MM Kcl/5MM BACL2 within 5.0Å range:

A.Rohaim, L.Gong, J.Li, H.Rui, L.Blachowicz, B.Roux. Open and Closed Structures of A Barium-Blocked Potassium Channel. J.Mol.Biol. V. 432 4783 2020.
ISSN: ESSN 1089-8638
PubMed: 32615129
DOI: 10.1016/J.JMB.2020.06.012