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Potassium in PDB 2x6c: Potassium Channel From Magnetospirillum Magnetotacticum

Protein crystallography data

The structure of Potassium Channel From Magnetospirillum Magnetotacticum, PDB code: 2x6c was solved by O.B.Clarke, A.T.Caputo, A.P.Hill, J.I.Vandenberg, B.J.Smith, J.M.Gulbis, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 41.983 / 2.70
Space group P 4 21 2
Cell size a, b, c (Å), α, β, γ (°) 106.518, 106.518, 88.854, 90.00, 90.00, 90.00
R / Rfree (%) 21.87 / 26.09

Other elements in 2x6c:

The structure of Potassium Channel From Magnetospirillum Magnetotacticum also contains other interesting chemical elements:

Samarium (Sm) 4 atoms
Chlorine (Cl) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Potassium Channel From Magnetospirillum Magnetotacticum (pdb code 2x6c). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 10 binding sites of Potassium where determined in the Potassium Channel From Magnetospirillum Magnetotacticum, PDB code: 2x6c:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10;

Potassium binding site 1 out of 10 in 2x6c

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Potassium binding site 1 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1305

b:41.7
occ:0.53
O A:ILE97 2.7 70.1 1.0
O A:GLY98 2.7 61.9 1.0
K A:K1306 2.9 46.8 0.8
K A:K1308 3.4 94.7 0.2
C A:GLY98 3.4 72.5 1.0
C A:ILE97 3.8 73.8 1.0
CA A:GLY98 3.8 76.4 1.0
N A:GLY98 4.2 76.4 1.0
N A:TYR99 4.4 78.9 1.0
CA A:TYR99 4.8 86.5 1.0
O A:THR96 4.9 51.6 1.0

Potassium binding site 2 out of 10 in 2x6c

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Potassium binding site 2 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1306

b:46.8
occ:0.79
O A:THR96 2.7 51.6 1.0
O A:ILE97 2.7 70.1 1.0
K A:K1305 2.9 41.7 0.5
K A:K1307 3.3 59.6 1.0
C A:ILE97 3.4 73.8 1.0
C A:THR96 3.8 55.1 1.0
CA A:ILE97 3.9 68.6 1.0
N A:GLY98 4.3 76.4 1.0
N A:ILE97 4.4 58.0 1.0
CA A:GLY98 4.6 76.4 1.0
O A:GLY98 4.9 61.9 1.0

Potassium binding site 3 out of 10 in 2x6c

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Potassium binding site 3 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1307

b:59.6
occ:0.98
OG1 A:THR96 2.7 53.1 1.0
O A:THR96 2.9 51.6 1.0
K A:K1306 3.3 46.8 0.8
CB A:THR96 3.6 55.9 1.0
C A:THR96 3.7 55.1 1.0
CA A:THR96 4.3 60.5 1.0
O A:ALA95 4.4 61.5 1.0
N A:ILE97 4.7 58.0 1.0
CG2 A:THR96 4.8 51.0 1.0
K A:K1314 4.9 0.9 0.3
CA A:ILE97 5.0 68.6 1.0

Potassium binding site 4 out of 10 in 2x6c

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Potassium binding site 4 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1308

b:94.7
occ:0.25
O A:TYR99 2.7 85.4 1.0
O A:GLY98 2.8 61.9 1.0
K A:K1305 3.4 41.7 0.5
C A:TYR99 3.4 90.2 1.0
C A:GLY98 4.0 72.5 1.0
CA A:TYR99 4.2 86.5 1.0
N A:GLY100 4.2 94.8 1.0
CA A:GLY100 4.4 98.6 1.0
N A:TYR99 4.6 78.9 1.0

Potassium binding site 5 out of 10 in 2x6c

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Potassium binding site 5 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1309

b:0.1
occ:0.83
CE2 A:TYR132 3.1 61.9 1.0
CD2 A:TYR132 3.5 63.2 1.0
CZ A:TYR132 3.7 66.3 1.0
OH A:TYR132 4.1 69.4 1.0
K A:K1311 4.3 0.9 0.5
CG A:TYR132 4.3 62.0 1.0
CE1 A:TYR132 4.5 64.6 1.0
K A:K1310 4.8 0.2 1.0
CD1 A:TYR132 4.8 64.1 1.0

Potassium binding site 6 out of 10 in 2x6c

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Potassium binding site 6 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1310

b:0.2
occ:0.97
K A:K1309 4.8 0.1 0.8
OH A:TYR132 4.9 69.4 1.0

Potassium binding site 7 out of 10 in 2x6c

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Potassium binding site 7 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1311

b:0.9
occ:0.49
K A:K1309 4.3 0.1 0.8
K A:K1313 4.7 81.1 0.6

Potassium binding site 8 out of 10 in 2x6c

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Potassium binding site 8 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:

Potassium binding site 9 out of 10 in 2x6c

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Potassium binding site 9 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 9 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1313

b:81.1
occ:0.63
CB A:ALA128 4.1 53.3 1.0
K A:K1311 4.7 0.9 0.5

Potassium binding site 10 out of 10 in 2x6c

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Potassium binding site 10 out of 10 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 10 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1314

b:0.9
occ:0.25
O A:HOH2010 3.7 73.3 1.0
OG1 A:THR96 4.5 53.1 1.0
K A:K1307 4.9 59.6 1.0
CD2 A:LEU124 5.0 62.6 1.0

Reference:

O.B.Clarke, A.T.Caputo, A.P.Hill, J.I.Vandenberg, B.J.Smith, J.M.Gulbis. Domain Reorientation and Rotation of An Intracellular Assembly Regulate Conduction in Kir Potassium Channels. Cell(Cambridge,Mass.) V. 141 1018 2010.
ISSN: ISSN 0092-8674
PubMed: 20564790
DOI: 10.1016/J.CELL.2010.05.003
Page generated: Sun Dec 13 23:13:30 2020

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