Potassium in PDB 7rp0: 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: 7rp0 was solved by R.Reddi, K.Matulef, E.A.Riederer, F.I.Valiyaveetil, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	54.92 / 2.48
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	155.33, 155.33, 76.27, 90, 90, 90
R / Rfree (%)	24.2 / 27.1

The binding sites of Potassium atom in the Structural Snapshots of Intermediates in the Gating of A K+ Channel (pdb code 7rp0). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Structural Snapshots of Intermediates in the Gating of A K+ Channel, PDB code: 7rp0:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 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:K501 b:32.5 occ:0.25 O C:TYR78 2.9 26.9 1.0 O C:GLY77 3.2 36.8 1.0 C C:TYR78 3.6 32.1 1.0 K C:K502 3.7 36.9 0.2 N C:GLY79 4.2 30.8 1.0 CA C:TYR78 4.3 33.1 1.0 C C:GLY77 4.3 34.7 1.0 CA C:GLY79 4.4 30.4 1.0 N C:TYR78 4.8 28.7 1.0

Potassium binding site 2 out of 4 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:K502 b:36.9 occ:0.25 O C:GLY77 2.7 36.8 1.0 O C:VAL76 2.8 27.2 1.0 K C:K503 2.9 35.4 0.2 C C:GLY77 3.7 34.7 1.0 K C:K501 3.7 32.5 0.2 C C:VAL76 3.9 33.4 1.0 CA C:GLY77 4.1 31.6 1.0 N C:GLY77 4.5 32.5 1.0 N C:TYR78 4.7 28.7 1.0 O C:THR75 5.0 32.0 1.0

Potassium binding site 3 out of 4 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:K503 b:35.4 occ:0.25 O C:THR75 2.8 32.0 1.0 O C:VAL76 2.8 27.2 1.0 K C:K502 2.9 36.9 0.2 K C:K504 3.4 30.0 0.2 C C:VAL76 3.6 33.4 1.0 C C:THR75 4.0 32.2 1.0 CA C:VAL76 4.1 31.9 1.0 N C:VAL76 4.5 25.1 1.0 N C:GLY77 4.6 32.5 1.0 O C:GLY77 5.0 36.8 1.0 CA C:GLY77 5.0 31.6 1.0

Potassium binding site 4 out of 4 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:K504 b:30.0 occ:0.25 OG1 C:THR75 2.9 29.2 1.0 O C:THR75 3.0 32.0 1.0 K C:K503 3.4 35.4 0.2 CB C:THR75 3.7 30.2 1.0 C C:THR75 3.9 32.2 1.0 CA C:THR75 4.5 33.1 1.0 C41 C:TBA505 4.6 31.2 0.2 C21 C:TBA505 4.7 31.3 0.2 O C:THR74 4.8 28.9 1.0 N C:VAL76 4.9 25.1 1.0 CG2 C:THR75 4.9 30.9 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