Potassium in PDB 3stz: Kcsa Potassium Channel Mutant Y82C with Nitroxide Spin Label

The structure of Kcsa Potassium Channel Mutant Y82C with Nitroxide Spin Label, PDB code: 3stz 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 / 2.50
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	155.732, 155.732, 76.098, 90.00, 90.00, 90.00
R / Rfree (%)	24.6 / 28.5

The binding sites of Potassium atom in the Kcsa Potassium Channel Mutant Y82C with Nitroxide Spin Label (pdb code 3stz). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the Kcsa Potassium Channel Mutant Y82C with Nitroxide Spin Label, PDB code: 3stz:
Jump to Potassium binding site number: 1; 2; 3; 4; 5;

Potassium binding site 1 out of 5 in the Kcsa Potassium Channel Mutant Y82C with Nitroxide Spin Label


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 Nitroxide Spin Label within 5.0Å range: probe atom residue distance (Å) B Occ C:K202 b:27.1 occ:0.25 O C:THR75 3.2 26.5 1.0 K C:K203 3.3 33.2 0.2 OG1 C:THR75 3.3 27.6 1.0 CB C:THR75 3.8 25.1 1.0 C C:THR75 4.0 26.5 1.0 CA C:THR75 4.6 25.6 1.0 N C:VAL76 4.8 25.6 1.0 CA C:VAL76 5.0 23.8 1.0

Potassium binding site 2 out of 5 in the Kcsa Potassium Channel Mutant Y82C with Nitroxide Spin Label


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 Nitroxide Spin Label within 5.0Å range: probe atom residue distance (Å) B Occ C:K203 b:33.2 occ:0.25 O C:THR75 3.1 26.5 1.0 K C:K204 3.2 32.6 0.2 O C:VAL76 3.3 24.3 1.0 K C:K202 3.3 27.1 0.2 C C:VAL76 3.8 25.9 1.0 CA C:VAL76 4.1 23.8 1.0 C C:THR75 4.2 26.5 1.0 N C:GLY77 4.5 28.3 1.0 N C:VAL76 4.7 25.6 1.0 CA C:GLY77 4.9 26.1 1.0

Potassium binding site 3 out of 5 in the Kcsa Potassium Channel Mutant Y82C with Nitroxide Spin Label


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 Nitroxide Spin Label within 5.0Å range: probe atom residue distance (Å) B Occ C:K204 b:32.6 occ:0.25 O C:GLY77 3.2 26.1 1.0 K C:K203 3.2 33.2 0.2 K C:K205 3.3 20.2 0.2 O C:VAL76 3.4 24.3 1.0 C C:GLY77 3.7 26.5 1.0 CA C:GLY77 4.2 26.1 1.0 C C:VAL76 4.3 25.9 1.0 N C:TYR78 4.5 25.3 1.0 N C:GLY77 4.7 28.3 1.0 CA C:TYR78 4.8 24.9 1.0

Potassium binding site 4 out of 5 in the Kcsa Potassium Channel Mutant Y82C with Nitroxide Spin Label


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 Nitroxide Spin Label within 5.0Å range: probe atom residue distance (Å) B Occ C:K205 b:20.2 occ:0.25 O C:TYR78 3.1 20.1 1.0 K C:K204 3.3 32.6 0.2 O C:GLY77 3.5 26.1 1.0 C C:TYR78 3.6 23.4 1.0 N C:GLY79 4.2 25.5 1.0 CA C:TYR78 4.3 24.9 1.0 CA C:GLY79 4.3 23.2 1.0 C C:GLY77 4.5 26.5 1.0 O C:HOH301 4.9 62.3 1.0 N C:TYR78 4.9 25.3 1.0

Potassium binding site 5 out of 5 in the Kcsa Potassium Channel Mutant Y82C with Nitroxide Spin Label


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 Nitroxide Spin Label within 5.0Å range: probe atom residue distance (Å) B Occ C:K206 b:33.3 occ:0.25 O C:HOH303 3.3 31.2 1.0 O C:HOH304 3.5 40.7 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