Potassium in PDB 3fb5: Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112

The structure of Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112, PDB code: 3fb5 was solved by L.G.Cuello, V.Jogini, D.M.Cortes, E.Perozo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.00 / 2.80
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	157.481, 157.481, 74.759, 90.00, 90.00, 90.00
R / Rfree (%)	24.3 / 25.2

The binding sites of Potassium atom in the Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112 (pdb code 3fb5). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112, PDB code: 3fb5:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6;

Potassium binding site 1 out of 6 in the Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112 within 5.0Å range:

Potassium binding site 2 out of 6 in the Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112 within 5.0Å range: probe atom residue distance (Å) B Occ C:K2 b:79.2 occ:0.25 O C:HOH125 3.7 80.0 1.0 K C:K3 4.2 5.1 0.2 O C:TYR78 4.3 54.0 1.0

Potassium binding site 3 out of 6 in the Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112 within 5.0Å range: probe atom residue distance (Å) B Occ C:K3 b:5.1 occ:0.25 O C:TYR78 3.2 54.0 1.0 K C:K4 3.6 20.4 0.2 C C:TYR78 3.7 53.4 1.0 O C:GLY77 4.0 54.9 1.0 K C:K2 4.2 79.2 0.2 CA C:TYR78 4.3 52.3 1.0 N C:GLY79 4.3 54.7 1.0 CA C:GLY79 4.5 55.7 1.0 C C:GLY77 5.0 54.9 1.0

Potassium binding site 4 out of 6 in the Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112 within 5.0Å range: probe atom residue distance (Å) B Occ C:K4 b:20.4 occ:0.25 K C:K5 3.2 2.8 0.2 O C:GLY77 3.2 54.9 1.0 O C:VAL76 3.3 56.4 1.0 K C:K3 3.6 5.1 0.2 C C:GLY77 4.2 54.9 1.0 C C:VAL76 4.5 54.9 1.0 CA C:TYR78 5.0 52.3 1.0 N C:TYR78 5.0 54.1 1.0

Potassium binding site 5 out of 6 in the Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112 within 5.0Å range: probe atom residue distance (Å) B Occ C:K5 b:2.8 occ:0.25 O C:THR75 3.2 52.4 1.0 K C:K4 3.2 20.4 0.2 O C:VAL76 3.3 56.4 1.0 K C:K6 3.4 6.7 0.2 C C:VAL76 4.0 54.9 1.0 CA C:VAL76 4.2 51.6 1.0 C C:THR75 4.3 53.2 1.0 N C:VAL76 4.7 52.6 1.0

Potassium binding site 6 out of 6 in the Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112 within 5.0Å range: probe atom residue distance (Å) B Occ C:K6 b:6.7 occ:0.25 OG1 C:THR75 3.3 52.8 1.0 K C:K5 3.4 2.8 0.2 O C:THR75 3.4 52.4 1.0 CB C:THR75 4.0 53.9 1.0 C C:THR75 4.2 53.2 1.0 CA C:THR75 4.8 53.3 1.0

L.G.Cuello, V.Jogini, D.M.Cortes, E.Perozo. Kcsa Potassium Channel in the Partially Open State with 14.5 A Opening at T112 To Be Published.