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Potassium in PDB 6ufe: The Structure of A Potassium Selective Ion Channel at Atomic Resolution

Protein crystallography data

The structure of The Structure of A Potassium Selective Ion Channel at Atomic Resolution, PDB code: 6ufe was solved by P.S.Langan, V.G.Vandavasi, B.Sullivan, P.V.Afonine, K.L.Weiss, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 21.46 / 1.20
Space group I 4
Cell size a, b, c (Å), α, β, γ (°) 67.860, 67.860, 89.620, 90.00, 90.00, 90.00
R / Rfree (%) 13.3 / 14.8

Potassium Binding Sites:

The binding sites of Potassium atom in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution (pdb code 6ufe). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 8 binding sites of Potassium where determined in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution, PDB code: 6ufe:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8;

Potassium binding site 1 out of 8 in 6ufe

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Potassium binding site 1 out of 8 in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of The Structure of A Potassium Selective Ion Channel at Atomic Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K705

b:14.4
occ:0.25
 OG1 A:THR63 2.8 14.1 1.0
O A:THR63 3.0 12.7 1.0
HB A:THR63 3.1 16.4 1.0
CB A:THR63 3.5 13.6 1.0
K A:K706 3.5 11.6 0.2
C A:THR63 3.9 11.7 1.0
CA A:THR63 4.3 12.1 1.0
HG21 A:THR63 4.6 18.3 1.0
HA A:VAL64 4.7 14.1 1.0
CG2 A:THR63 4.7 15.3 1.0
HA A:THR63 4.8 14.5 1.0
N A:VAL64 4.9 12.3 1.0

Potassium binding site 2 out of 8 in 6ufe

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Potassium binding site 2 out of 8 in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of The Structure of A Potassium Selective Ion Channel at Atomic Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K706

b:11.6
occ:0.25
 O A:THR63 2.6 12.7 1.0
O A:VAL64 2.9 11.5 1.0
K A:K707 3.2 12.2 0.2
K A:K705 3.5 14.4 0.2
HA A:VAL64 3.6 14.1 1.0
C A:VAL64 3.6 11.3 1.0
C A:THR63 3.8 11.7 1.0
CA A:VAL64 4.0 11.8 1.0
HA3 A:GLY65 4.3 14.4 1.0
N A:VAL64 4.4 12.3 1.0
HB A:THR63 4.5 16.4 1.0
N A:GLY65 4.5 11.9 1.0
CA A:GLY65 4.8 12.0 1.0
CA A:THR63 4.9 12.1 1.0

Potassium binding site 3 out of 8 in 6ufe

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Potassium binding site 3 out of 8 in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of The Structure of A Potassium Selective Ion Channel at Atomic Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K707

b:12.2
occ:0.25
 O A:GLY65 2.7 11.6 1.0
O A:VAL64 2.9 11.5 1.0
K A:K706 3.2 11.6 0.2
C A:GLY65 3.4 11.4 1.0
HA3 A:GLY65 3.5 14.4 1.0
K A:K708 3.6 14.3 0.2
CA A:GLY65 3.9 12.0 1.0
C A:VAL64 4.0 11.3 1.0
HA A:TYR66 4.2 14.0 1.0
N A:TYR66 4.4 11.3 1.0
N A:GLY65 4.4 11.9 1.0
CA A:TYR66 4.8 11.7 1.0
HA2 A:GLY65 4.8 14.4 1.0

Potassium binding site 4 out of 8 in 6ufe

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Potassium binding site 4 out of 8 in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of The Structure of A Potassium Selective Ion Channel at Atomic Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K708

b:14.3
occ:0.24
 O A:TYR66 2.7 12.3 1.0
O A:GLY65 3.2 11.6 1.0
C A:TYR66 3.4 11.5 1.0
K A:K707 3.6 12.2 0.2
HA A:TYR66 3.6 14.0 1.0
HA3 A:GLY67 3.8 15.7 1.0
CA A:TYR66 4.0 11.7 1.0
N A:GLY67 4.2 11.9 1.0
C A:GLY65 4.3 11.4 1.0
CA A:GLY67 4.5 13.0 1.0
N A:TYR66 4.7 11.3 1.0
H A:GLY67 4.9 14.3 1.0

Potassium binding site 5 out of 8 in 6ufe

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Potassium binding site 5 out of 8 in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of The Structure of A Potassium Selective Ion Channel at Atomic Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K203

b:14.7
occ:0.25
 OG1 B:THR63 2.8 13.3 1.0
O B:THR63 3.0 12.7 1.0
HB B:THR63 3.1 16.0 1.0
K B:K204 3.5 13.9 0.2
CB B:THR63 3.5 13.3 1.0
C B:THR63 3.9 12.5 1.0
CA B:THR63 4.4 12.0 1.0
HG21 B:THR63 4.7 16.5 1.0
HA B:VAL64 4.7 14.6 1.0
CG2 B:THR63 4.8 13.8 1.0
HA B:THR63 4.9 14.4 1.0
N B:VAL64 4.9 12.2 1.0

Potassium binding site 6 out of 8 in 6ufe

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Potassium binding site 6 out of 8 in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of The Structure of A Potassium Selective Ion Channel at Atomic Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K204

b:13.9
occ:0.25
 O B:THR63 2.6 12.7 1.0
O B:VAL64 2.8 12.4 1.0
K B:K205 3.2 12.2 0.2
K B:K203 3.5 14.7 0.2
C B:VAL64 3.6 12.1 1.0
HA B:VAL64 3.6 14.6 1.0
C B:THR63 3.8 12.5 1.0
CA B:VAL64 4.0 12.1 1.0
HA3 B:GLY65 4.2 15.5 1.0
N B:VAL64 4.4 12.2 1.0
N B:GLY65 4.5 13.0 1.0
HB B:THR63 4.5 16.0 1.0
CA B:GLY65 4.8 12.9 1.0
CA B:THR63 4.9 12.0 1.0

Potassium binding site 7 out of 8 in 6ufe

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Potassium binding site 7 out of 8 in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of The Structure of A Potassium Selective Ion Channel at Atomic Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K205

b:12.2
occ:0.22
 O B:GLY65 2.7 13.3 1.0
O B:VAL64 2.9 12.4 1.0
K B:K204 3.2 13.9 0.2
C B:GLY65 3.4 12.5 1.0
HA3 B:GLY65 3.5 15.5 1.0
K B:K206 3.6 16.6 0.2
CA B:GLY65 3.9 12.9 1.0
C B:VAL64 4.0 12.1 1.0
HA B:TYR66 4.3 16.4 1.0
N B:TYR66 4.4 13.1 1.0
N B:GLY65 4.5 13.0 1.0
CA B:TYR66 4.8 13.7 1.0
HA2 B:GLY65 4.8 15.5 1.0

Potassium binding site 8 out of 8 in 6ufe

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Potassium binding site 8 out of 8 in the The Structure of A Potassium Selective Ion Channel at Atomic Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of The Structure of A Potassium Selective Ion Channel at Atomic Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K206

b:16.6
occ:0.25
 O B:TYR66 2.7 15.1 1.0
O B:GLY65 3.2 13.3 1.0
C B:TYR66 3.4 14.0 1.0
K B:K205 3.6 12.2 0.2
HA B:TYR66 3.6 16.4 1.0
HA3 B:GLY67 3.8 19.1 1.0
CA B:TYR66 4.0 13.7 1.0
N B:GLY67 4.2 14.2 1.0
C B:GLY65 4.3 12.5 1.0
CA B:GLY67 4.5 15.9 1.0
N B:TYR66 4.7 13.1 1.0
H B:GLY67 4.8 17.0 1.0

Reference:

P.S.Langan, V.G.Vandavasi, W.Kopec, B.Sullivan, P.V.Afonne, K.L.Weiss, B.L.De Groot, L.Coates. The Structure of A Potassium-Selective Ion Channel Reveals A Hydrophobic Gate Regulating Ion Permeation. Iucrj V. 7 835 2020.
ISSN: ESSN 2052-2525
PubMed: 32939275
DOI: 10.1107/S2052252520008271
Page generated: Mon Aug 12 17:47:03 2024

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