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Potassium in PDB 2wlm: Potassium Channel From Magnetospirillum Magnetotacticum

Protein crystallography data

The structure of Potassium Channel From Magnetospirillum Magnetotacticum, PDB code: 2wlm was solved by O.B.Clarke, A.T.Caputo, 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) 19.97 / 3.61
Space group C 2 2 21
Cell size a, b, c (Å), α, β, γ (°) 99.261, 151.193, 294.757, 90.00, 90.00, 90.00
R / Rfree (%) 26.3 / 28.8

Potassium Binding Sites:

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

Potassium binding site 1 out of 4 in 2wlm

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Potassium binding site 1 out of 4 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:K1296

b:0.5
occ:1.00
 O A:GLY98 3.0 0.3 1.0
O C:GLY98 3.1 0.5 1.0
O A:TYR99 3.1 0.9 1.0
O C:TYR99 3.2 0.9 1.0
O D:TYR99 3.2 0.0 1.0
O B:GLY98 3.2 0.4 1.0
O D:GLY98 3.2 0.8 1.0
O B:TYR99 3.3 1.0 1.0
C A:TYR99 3.9 0.2 1.0
C C:TYR99 3.9 0.7 1.0
C D:TYR99 4.0 0.9 1.0
C B:TYR99 4.0 0.3 1.0
C A:GLY98 4.2 0.9 1.0
C C:GLY98 4.3 0.2 1.0
C B:GLY98 4.4 0.5 1.0
C D:GLY98 4.4 0.7 1.0
CA A:TYR99 4.5 0.1 1.0
CA C:TYR99 4.5 0.8 1.0
CA D:TYR99 4.5 0.8 1.0
CA B:TYR99 4.6 0.1 1.0
N A:GLY100 4.7 0.4 1.0
N C:GLY100 4.7 0.8 1.0
N A:TYR99 4.8 0.6 1.0
N C:TYR99 4.9 0.2 1.0
CA C:GLY100 4.9 0.3 1.0
CA A:GLY100 4.9 0.4 1.0
O A:ILE97 4.9 0.6 1.0
N B:GLY100 4.9 0.9 1.0
N D:GLY100 4.9 0.7 1.0
O D:ILE97 4.9 0.3 1.0
N D:TYR99 4.9 0.7 1.0
O C:ILE97 5.0 0.4 1.0
N B:TYR99 5.0 0.5 1.0
O B:ILE97 5.0 0.3 1.0

Potassium binding site 2 out of 4 in 2wlm

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Potassium binding site 2 out of 4 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:K1297

b:0.3
occ:1.00
 O A:THR96 2.9 0.3 1.0
O C:THR96 3.0 0.4 1.0
O D:THR96 3.1 0.0 1.0
O B:THR96 3.1 0.8 1.0
O A:ILE97 3.1 0.6 1.0
O C:ILE97 3.2 0.4 1.0
O D:ILE97 3.2 0.3 1.0
O B:ILE97 3.2 0.3 1.0
K A:K1298 3.7 0.5 1.0
C A:ILE97 3.7 0.5 1.0
C C:ILE97 3.8 0.3 1.0
C D:ILE97 3.8 0.6 1.0
C B:ILE97 3.9 0.6 1.0
C A:THR96 4.0 0.1 1.0
CA A:ILE97 4.1 0.6 1.0
C C:THR96 4.1 0.7 1.0
CA D:ILE97 4.1 1.0 1.0
CA C:ILE97 4.2 0.7 1.0
C D:THR96 4.2 0.3 1.0
C B:THR96 4.2 0.1 1.0
CA B:ILE97 4.3 0.4 1.0
N A:ILE97 4.6 0.2 1.0
N A:GLY98 4.6 0.5 1.0
N C:GLY98 4.6 0.8 1.0
N C:ILE97 4.6 0.8 1.0
N D:ILE97 4.7 0.7 1.0
N D:GLY98 4.8 0.7 1.0
N B:ILE97 4.8 0.2 1.0
N B:GLY98 4.8 0.5 1.0

Potassium binding site 3 out of 4 in 2wlm

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Potassium binding site 3 out of 4 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:K1298

b:0.5
occ:1.00
 OG1 C:THR96 2.9 0.5 1.0
OG1 D:THR96 3.0 0.8 1.0
OG1 A:THR96 3.1 0.7 1.0
O C:THR96 3.2 0.4 1.0
OG1 B:THR96 3.2 0.8 1.0
O D:THR96 3.3 0.0 1.0
O A:THR96 3.3 0.3 1.0
O B:THR96 3.5 0.8 1.0
K A:K1297 3.7 0.3 1.0
CB C:THR96 3.9 0.4 1.0
CB A:THR96 4.1 1.0 1.0
CB D:THR96 4.1 1.0 1.0
C C:THR96 4.1 0.7 1.0
C D:THR96 4.2 0.3 1.0
C A:THR96 4.2 0.1 1.0
CB B:THR96 4.2 0.7 1.0
C B:THR96 4.4 0.1 1.0
O D:ALA95 4.5 0.5 1.0
O A:ALA95 4.6 0.3 1.0
O C:ALA95 4.6 0.5 1.0
CA C:THR96 4.7 0.8 1.0
CA A:THR96 4.8 1.0 1.0
CA D:THR96 4.8 0.3 1.0
O B:ALA95 4.9 1.0 1.0

Potassium binding site 4 out of 4 in 2wlm

Go back to Potassium Binding Sites List in 2wlm
Potassium binding site 4 out of 4 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
C:K1299

b:98.2
occ:1.00
 OH B:TYR132 3.8 91.7 1.0
OH C:TYR132 3.9 77.6 1.0
OH A:TYR132 4.5 98.1 1.0
CZ B:TYR132 4.6 90.8 1.0
CE2 B:TYR132 4.7 89.5 1.0
OH D:TYR132 4.8 68.4 1.0
CZ C:TYR132 4.9 84.5 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: Mon Aug 12 07:32:12 2024

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