Potassium in PDB 2qks: Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera

The structure of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera, PDB code: 2qks was solved by M.Nishida, R.Mackinnon, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.50 / 2.20
Space group	P 4
Cell size a, b, c (Å), α, β, γ (°)	98.416, 98.416, 92.624, 90.00, 90.00, 90.00
R / Rfree (%)	23.1 / 25.6

Pages:

>>> Page 1 <<< Page 2, Binding sites: 11 - 12;

Binding sites:

The binding sites of Potassium atom in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera (pdb code 2qks). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 12 binding sites of Potassium where determined in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera, PDB code: 2qks:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10;

Potassium binding site 1 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ A:K401 b:35.6 occ:0.25 O A:TYR95 2.7 29.9 1.0 O A:GLY94 3.0 30.9 1.0 C A:TYR95 3.4 29.4 1.0 K A:K402 3.6 26.6 0.2 C A:GLY94 4.1 30.0 1.0 CA A:TYR95 4.1 31.0 1.0 N A:GLY96 4.2 29.1 1.0 O A:HOH412 4.3 25.6 1.0 CA A:GLY96 4.4 32.0 1.0 N A:TYR95 4.6 29.6 1.0

Potassium binding site 2 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ A:K402 b:26.6 occ:0.25 O A:VAL93 2.7 33.9 1.0 O A:GLY94 2.8 30.9 1.0 C A:GLY94 3.5 30.0 1.0 K A:K403 3.6 36.2 0.2 K A:K401 3.6 35.6 0.2 C A:VAL93 3.8 32.5 1.0 CA A:GLY94 3.9 30.9 1.0 N A:GLY94 4.4 32.8 1.0 N A:TYR95 4.4 29.6 1.0 CA A:TYR95 4.9 31.0 1.0

Potassium binding site 3 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ A:K403 b:36.2 occ:0.25 O A:THR92 2.7 30.4 1.0 O A:VAL93 3.1 33.9 1.0 K A:K404 3.1 52.5 0.2 K A:K402 3.6 26.6 0.2 C A:VAL93 3.7 32.5 1.0 C A:THR92 3.9 32.2 1.0 CA A:VAL93 4.0 33.8 1.0 N A:VAL93 4.4 32.2 1.0 N A:GLY94 4.8 32.8 1.0

Potassium binding site 4 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ A:K404 b:52.5 occ:0.25 O A:HOH528 3.0 42.5 0.2 K A:K403 3.1 36.2 0.2 O A:THR92 3.2 30.4 1.0 OG1 A:THR92 3.4 39.8 1.0 CB A:THR92 4.2 36.2 1.0 C A:THR92 4.2 32.2 1.0 CA A:THR92 4.9 32.4 1.0 O A:ALA91 5.0 31.9 1.0

Potassium binding site 5 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ A:K405 b:0.3 occ:0.25 O A:HOH530 3.1 87.3 0.2 O A:HOH528 3.7 42.5 0.2 O A:HOH546 4.6 48.9 1.0

Potassium binding site 6 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ A:K406 b:0.0 occ:0.25 O A:HOH545 3.2 71.0 1.0 O A:HOH529 4.6 66.4 1.0

Potassium binding site 7 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ A:K407 b:0.8 occ:0.25 O A:HOH547 4.0 56.5 1.0 O A:GLY254 4.4 57.3 1.0

Potassium binding site 8 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ B:K408 b:34.8 occ:0.25 O B:TYR95 2.7 31.0 1.0 O B:GLY94 3.0 31.6 1.0 C B:TYR95 3.4 32.1 1.0 K B:K409 3.6 37.9 0.2 CA B:TYR95 4.1 32.1 1.0 C B:GLY94 4.1 33.1 1.0 N B:GLY96 4.1 32.9 1.0 O B:HOH413 4.3 25.7 1.0 CA B:GLY96 4.3 33.4 1.0 N B:TYR95 4.6 32.6 1.0

Potassium binding site 9 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 9 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ B:K409 b:37.9 occ:0.25 O B:GLY94 2.7 31.6 1.0 O B:VAL93 2.8 33.0 1.0 C B:GLY94 3.4 33.1 1.0 K B:K410 3.6 36.0 0.2 K B:K408 3.6 34.8 0.2 CA B:GLY94 3.9 32.2 1.0 C B:VAL93 3.9 32.8 1.0 N B:GLY94 4.4 33.5 1.0 N B:TYR95 4.4 32.6 1.0 CA B:TYR95 4.8 32.1 1.0

Potassium binding site 10 out of 12 in the Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 10 of Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera within 5.0Å range: probe atom residue distance (Å) B Occ B:K410 b:36.0 occ:0.25 O B:THR92 2.7 29.0 1.0 O B:VAL93 3.0 33.0 1.0 K B:K411 3.3 63.9 0.2 K B:K409 3.6 37.9 0.2 C B:VAL93 3.7 32.8 1.0 C B:THR92 3.9 32.5 1.0 CA B:VAL93 4.0 32.7 1.0 N B:VAL93 4.4 32.5 1.0 N B:GLY94 4.7 33.5 1.0

M.Nishida, M.Cadene, B.T.Chait, R.Mackinnon. Crystal Structure of A KIR3.1-Prokaryotic Kir Channel Chimera. Embo J. V. 26 4005 2007.
ISSN: ISSN 0261-4189
PubMed: 17703190
DOI: 10.1038/SJ.EMBOJ.7601828