Potassium in PDB 7m2i: Structural Snapshots of Intermediates in the Gating of A K+ Channel

The structure of Structural Snapshots of Intermediates in the Gating of A K+ Channel, PDB code: 7m2i was solved by R.Reddi, F.I.Valiyaveetil, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	38.81 / 2.70
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	155.25, 155.25, 74.415, 90, 90, 90
R / Rfree (%)	22.8 / 25.1

The binding sites of Potassium atom in the Structural Snapshots of Intermediates in the Gating of A K+ Channel (pdb code 7m2i). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the Structural Snapshots of Intermediates in the Gating of A K+ Channel, PDB code: 7m2i:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6;

Potassium binding site 1 out of 6 in the Structural Snapshots of Intermediates in the Gating of A K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structural Snapshots of Intermediates in the Gating of A K+ Channel within 5.0Å range: probe atom residue distance (Å) B Occ C:K202 b:83.0 occ:0.25 O C:HOH302 2.9 58.3 1.0 OG1 C:THR75 4.8 46.7 1.0 K C:K203 4.9 46.5 0.2

Potassium binding site 2 out of 6 in the Structural Snapshots of Intermediates in the Gating of A K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structural Snapshots of Intermediates in the Gating of A K+ Channel within 5.0Å range: probe atom residue distance (Å) B Occ C:K203 b:46.5 occ:0.25 OG1 C:THR75 3.0 46.7 1.0 O C:THR75 3.1 47.5 1.0 CB C:THR75 3.5 44.0 1.0 C C:THR75 3.9 42.6 1.0 K C:K207 4.0 49.6 0.2 CA C:THR75 4.4 45.3 1.0 CG2 C:THR75 4.7 47.5 1.0 N C:VAL76 4.9 41.2 1.0 K C:K202 4.9 83.0 0.2

Potassium binding site 3 out of 6 in the Structural Snapshots of Intermediates in the Gating of A K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structural Snapshots of Intermediates in the Gating of A K+ Channel within 5.0Å range: probe atom residue distance (Å) B Occ C:K204 b:50.6 occ:0.25 O C:TYR78 2.7 42.4 1.0 O C:GLY77 3.2 39.3 1.0 C C:TYR78 3.5 38.4 1.0 N C:GLY79 4.2 43.5 1.0 CA C:TYR78 4.2 38.4 1.0 C C:GLY77 4.3 48.6 1.0 CA C:GLY79 4.4 40.6 1.0 K C:K205 4.5 77.3 0.2 N C:TYR78 4.8 40.3 1.0

Potassium binding site 4 out of 6 in the Structural Snapshots of Intermediates in the Gating of A K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Structural Snapshots of Intermediates in the Gating of A K+ Channel within 5.0Å range: probe atom residue distance (Å) B Occ C:K205 b:77.3 occ:0.25 K C:K206 3.4 70.5 0.2 O C:TYR78 4.2 42.4 1.0 K C:K204 4.5 50.6 0.2 CA C:GLY79 4.9 40.6 1.0 O C:GLY79 4.9 37.9 1.0

Potassium binding site 5 out of 6 in the Structural Snapshots of Intermediates in the Gating of A K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Structural Snapshots of Intermediates in the Gating of A K+ Channel within 5.0Å range: probe atom residue distance (Å) B Occ C:K206 b:70.5 occ:0.25 O C:HOH304 3.0 59.0 1.0 K C:K205 3.4 77.3 0.2

Potassium binding site 6 out of 6 in the Structural Snapshots of Intermediates in the Gating of A K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Structural Snapshots of Intermediates in the Gating of A K+ Channel within 5.0Å range: probe atom residue distance (Å) B Occ C:K207 b:49.6 occ:0.25 O C:VAL76 2.7 46.5 1.0 O C:THR75 3.1 47.5 1.0 C C:VAL76 3.6 42.2 1.0 K C:K203 4.0 46.5 0.2 CA C:VAL76 4.2 43.8 1.0 C C:THR75 4.3 42.6 1.0 O C:GLY77 4.4 39.3 1.0 N C:GLY77 4.5 41.1 1.0 CA C:GLY77 4.7 52.0 1.0 N C:VAL76 4.7 41.2 1.0 C C:GLY77 4.9 48.6 1.0

R.Reddi, K.Matulef, E.Riederer, P.Moenne-Loccoz, F.I.Valiyaveetil. Structural Snapshots of Intermediates in the Gating of A K + Channel. J.Mol.Biol. 67296 2021.
ISSN: ESSN 1089-8638
PubMed: 34627789
DOI: 10.1016/J.JMB.2021.167296