Potassium in PDB 3stl: Kcsa Potassium Channel Mutant Y82C with Cadmium Bound

The structure of Kcsa Potassium Channel Mutant Y82C with Cadmium Bound, PDB code: 3stl was solved by H.Raghuraman, J.Cordero-Morales, V.Jogini, E.Perozo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.00 / 2.40
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	155.907, 155.907, 76.119, 90.00, 90.00, 90.00
R / Rfree (%)	22.7 / 26.3

The structure of Kcsa Potassium Channel Mutant Y82C with Cadmium Bound also contains other interesting chemical elements:

Cadmium

(Cd)

1 atom

The binding sites of Potassium atom in the Kcsa Potassium Channel Mutant Y82C with Cadmium Bound (pdb code 3stl). 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 Mutant Y82C with Cadmium Bound, PDB code: 3stl:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6;

Potassium binding site 1 out of 6 in the Kcsa Potassium Channel Mutant Y82C with Cadmium Bound


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 Mutant Y82C with Cadmium Bound within 5.0Å range: probe atom residue distance (Å) B Occ C:K1 b:33.6 occ:0.25 O C:HOH128 3.4 41.0 1.0 O C:HOH127 3.4 40.6 1.0

Potassium binding site 2 out of 6 in the Kcsa Potassium Channel Mutant Y82C with Cadmium Bound


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 Mutant Y82C with Cadmium Bound within 5.0Å range: probe atom residue distance (Å) B Occ C:K2 b:82.0 occ:0.25 K C:K3 3.9 23.8 0.2 O C:TYR78 4.1 18.0 1.0 CA C:GLY79 4.7 21.3 1.0 O C:GLY79 4.8 19.8 1.0

Potassium binding site 3 out of 6 in the Kcsa Potassium Channel Mutant Y82C with Cadmium Bound


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 Mutant Y82C with Cadmium Bound within 5.0Å range: probe atom residue distance (Å) B Occ C:K3 b:23.8 occ:0.25 O C:TYR78 3.1 18.0 1.0 O C:GLY77 3.4 21.8 1.0 K C:K4 3.5 28.0 0.2 C C:TYR78 3.6 20.4 1.0 K C:K2 3.9 82.0 0.2 N C:GLY79 4.2 20.8 1.0 CA C:TYR78 4.3 20.6 1.0 CA C:GLY79 4.4 21.3 1.0 C C:GLY77 4.5 22.4 1.0 N C:TYR78 4.9 20.2 1.0

Potassium binding site 4 out of 6 in the Kcsa Potassium Channel Mutant Y82C with Cadmium Bound


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 Mutant Y82C with Cadmium Bound within 5.0Å range: probe atom residue distance (Å) B Occ C:K4 b:28.0 occ:0.25 K C:K5 3.1 31.9 0.2 O C:VAL76 3.2 16.9 1.0 O C:GLY77 3.2 21.8 1.0 K C:K3 3.5 23.8 0.2 C C:GLY77 3.8 22.4 1.0 C C:VAL76 4.2 21.3 1.0 CA C:GLY77 4.2 20.6 1.0 N C:TYR78 4.6 20.2 1.0 N C:GLY77 4.7 23.5 1.0 CA C:TYR78 4.9 20.6 1.0

Potassium binding site 5 out of 6 in the Kcsa Potassium Channel Mutant Y82C with Cadmium Bound


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 Mutant Y82C with Cadmium Bound within 5.0Å range: probe atom residue distance (Å) B Occ C:K5 b:31.9 occ:0.25 O C:THR75 3.1 19.5 1.0 K C:K4 3.1 28.0 0.2 O C:VAL76 3.2 16.9 1.0 K C:K6 3.5 26.0 0.2 C C:VAL76 3.8 21.3 1.0 C C:THR75 4.2 22.5 1.0 CA C:VAL76 4.2 17.9 1.0 N C:GLY77 4.7 23.5 1.0 N C:VAL76 4.7 20.5 1.0

Potassium binding site 6 out of 6 in the Kcsa Potassium Channel Mutant Y82C with Cadmium Bound


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 Mutant Y82C with Cadmium Bound within 5.0Å range: probe atom residue distance (Å) B Occ C:K6 b:26.0 occ:0.25 OG1 C:THR75 3.2 27.0 1.0 O C:THR75 3.3 19.5 1.0 K C:K5 3.5 31.9 0.2 CB C:THR75 3.8 23.4 1.0 C C:THR75 4.1 22.5 1.0 CA C:THR75 4.6 23.0 1.0 O C:THR74 4.9 21.9 1.0 CG2 C:THR75 5.0 23.2 1.0

H.Raghuraman, J.F.Cordero-Morales, V.Jogini, A.C.Pan, A.Kollewe, B.Roux, E.Perozo. Mechanism of Cd(2+) Coordination During Slow Inactivation in Potassium Channels. Structure V. 20 1332 2012.
ISSN: ISSN 0969-2126
PubMed: 22771214
DOI: 10.1016/J.STR.2012.03.027