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Potassium in PDB 2zd9: Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel

Protein crystallography data

The structure of Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel, PDB code: 2zd9 was solved by G.M.Clayton, J.M.Cabral-Morais, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 141.42 / 4.00
Space group H 3
Cell size a, b, c (Å), α, β, γ (°) 283.287, 283.287, 103.507, 90.00, 90.00, 120.00
R / Rfree (%) 30.7 / 33.3

Potassium Binding Sites:

The binding sites of Potassium atom in the Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel (pdb code 2zd9). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel, PDB code: 2zd9:
Jump to Potassium binding site number: 1; 2; 3; 4; 5;

Potassium binding site 1 out of 5 in 2zd9

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Potassium binding site 1 out of 5 in the Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K356

b:4.8
occ:0.40
 K A:K356 3.9 4.8 0.5
O A:TYR178 4.0 0.8 1.0
O B:TYR178 4.2 0.2 1.0
O B:GLY179 4.2 0.8 1.0
O C:GLY179 4.2 0.7 1.0
O D:TYR178 4.3 0.6 1.0
O C:TYR178 4.4 0.9 1.0
O A:GLY179 4.7 0.6 1.0
O D:GLY179 4.8 0.8 1.0
CA B:GLY179 4.8 0.4 1.0
C B:GLY179 4.9 0.8 1.0

Potassium binding site 2 out of 5 in 2zd9

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Potassium binding site 2 out of 5 in the Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K356

b:4.8
occ:0.50
 O B:TYR178 2.4 0.2 1.0
O A:TYR178 2.5 0.8 1.0
O C:TYR178 2.6 0.9 1.0
O D:TYR178 2.8 0.6 1.0
O A:GLY177 3.3 0.6 1.0
O B:GLY177 3.4 0.6 1.0
C A:TYR178 3.5 0.8 1.0
C B:TYR178 3.6 0.1 1.0
K A:K357 3.7 34.1 1.0
O D:GLY177 3.7 0.6 1.0
C D:TYR178 3.8 0.7 1.0
C C:TYR178 3.8 0.9 1.0
K B:K356 3.9 4.8 0.4
O C:GLY177 3.9 0.7 1.0
CA A:TYR178 4.1 0.4 1.0
C A:GLY177 4.3 0.6 1.0
CA D:TYR178 4.4 0.3 1.0
N B:GLY179 4.4 0.7 1.0
CA B:TYR178 4.4 0.7 1.0
N A:GLY179 4.5 0.4 1.0
CA B:GLY179 4.5 0.4 1.0
C B:GLY177 4.5 0.7 1.0
CA C:TYR178 4.6 0.5 1.0
N D:GLY179 4.7 0.3 1.0
N A:TYR178 4.7 0.0 1.0
N C:GLY179 4.7 0.4 1.0
C D:GLY177 4.8 0.6 1.0
CA A:GLY179 4.8 0.1 1.0
CA C:GLY179 4.8 0.1 1.0
CA D:GLY179 4.9 0.1 1.0
C C:GLY177 4.9 0.8 1.0
N B:TYR178 5.0 0.2 1.0

Potassium binding site 3 out of 5 in 2zd9

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Potassium binding site 3 out of 5 in the Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K356

b:76.8
occ:1.00
 OG1 D:THR175 2.8 0.4 1.0
OG1 A:THR175 2.8 0.3 1.0
OG1 B:THR175 2.8 0.9 1.0
OG1 C:THR175 3.1 0.2 1.0
O C:THR175 3.3 0.1 1.0
O D:THR175 3.4 0.6 1.0
O A:THR175 3.6 0.2 1.0
CB B:THR175 3.8 0.3 1.0
CB C:THR175 3.9 0.6 1.0
O B:THR175 3.9 0.8 1.0
CB D:THR175 4.0 0.5 1.0
CB A:THR175 4.1 0.3 1.0
C C:THR175 4.3 1.0 1.0
C D:THR175 4.4 0.7 1.0
C A:THR175 4.5 0.3 1.0
K C:K357 4.5 56.9 1.0
CZ A:PHE203 4.5 0.1 1.0
C B:THR175 4.5 0.7 1.0
CZ C:PHE203 4.6 0.6 1.0
O D:SER174 4.7 0.3 1.0
CA C:THR175 4.8 0.7 1.0
CE1 A:PHE203 4.8 0.4 1.0
CA B:THR175 4.8 0.4 1.0
CA D:THR175 4.9 0.6 1.0
CG2 B:THR175 4.9 0.2 1.0
CE1 C:PHE203 4.9 0.7 1.0
CZ D:PHE203 4.9 0.8 1.0
O A:SER174 5.0 0.2 1.0
CA A:THR175 5.0 0.2 1.0
O B:SER174 5.0 0.3 1.0
O C:SER174 5.0 0.2 1.0

Potassium binding site 4 out of 5 in 2zd9

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Potassium binding site 4 out of 5 in the Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K357

b:34.1
occ:1.00
 O A:GLY177 2.4 0.6 1.0
O D:GLY177 2.6 0.6 1.0
O B:GLY177 2.8 0.6 1.0
O D:THR176 3.0 0.9 1.0
O C:GLY177 3.0 0.7 1.0
O A:THR176 3.0 0.3 1.0
O B:THR176 3.1 0.5 1.0
O C:THR176 3.2 0.5 1.0
K C:K357 3.2 56.9 1.0
C A:GLY177 3.4 0.6 1.0
C D:GLY177 3.6 0.6 1.0
C B:GLY177 3.7 0.7 1.0
K A:K356 3.7 4.8 0.5
C C:GLY177 3.9 0.8 1.0
CA A:GLY177 3.9 0.2 1.0
C D:THR176 4.0 0.2 1.0
C A:THR176 4.1 0.3 1.0
CA B:GLY177 4.2 0.4 1.0
CA D:GLY177 4.2 0.2 1.0
C B:THR176 4.2 0.6 1.0
C C:THR176 4.3 0.5 1.0
N A:GLY177 4.4 0.8 1.0
CA C:GLY177 4.5 0.4 1.0
N D:GLY177 4.6 0.6 1.0
N A:TYR178 4.6 0.0 1.0
N D:TYR178 4.6 0.1 1.0
O C:TYR178 4.7 0.9 1.0
N B:GLY177 4.7 1.0 1.0
N B:TYR178 4.7 0.2 1.0
O B:TYR178 4.7 0.2 1.0
N C:TYR178 4.7 0.1 1.0
N C:GLY177 4.8 0.9 1.0
CA D:TYR178 4.9 0.3 1.0
CA C:TYR178 4.9 0.5 1.0

Potassium binding site 5 out of 5 in 2zd9

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Potassium binding site 5 out of 5 in the Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Structure of A Bacterial Cyclic-Nucleotide Regulated Ion Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K357

b:56.9
occ:1.00
 O C:THR176 2.4 0.5 1.0
O B:THR176 2.5 0.5 1.0
O A:THR176 2.7 0.3 1.0
O D:THR175 2.9 0.6 1.0
O B:THR175 3.0 0.8 1.0
O A:THR175 3.0 0.2 1.0
O C:THR175 3.1 0.1 1.0
K A:K357 3.2 34.1 1.0
O D:THR176 3.3 0.9 1.0
C C:THR176 3.5 0.5 1.0
C B:THR176 3.5 0.6 1.0
C A:THR176 3.6 0.3 1.0
C D:THR176 3.7 0.2 1.0
C D:THR175 3.9 0.7 1.0
CA C:THR176 4.0 0.3 1.0
C C:THR175 4.0 1.0 1.0
CA D:THR176 4.0 1.0 1.0
CA B:THR176 4.1 0.3 1.0
C B:THR175 4.1 0.7 1.0
C A:THR175 4.1 0.3 1.0
CA A:THR176 4.3 0.9 1.0
N D:THR176 4.4 0.9 1.0
N C:THR176 4.4 0.2 1.0
K C:K356 4.5 76.8 1.0
N D:GLY177 4.6 0.6 1.0
N B:GLY177 4.6 1.0 1.0
N B:THR176 4.6 0.1 1.0
N C:GLY177 4.6 0.9 1.0
N A:GLY177 4.6 0.8 1.0
N A:THR176 4.7 0.5 1.0
O D:GLY177 4.9 0.6 1.0
CA A:GLY177 4.9 0.2 1.0
O A:GLY177 4.9 0.6 1.0
CA B:GLY177 4.9 0.4 1.0
CA D:GLY177 5.0 0.2 1.0
CA C:GLY177 5.0 0.4 1.0

Reference:

G.M.Clayton, S.Altieri, L.Heginbotham, V.M.Unger, J.H.Morais-Cabral. Structure of the Transmembrane Regions of A Bacterial Cyclic Nucleotide-Regulated Channel. Proc.Natl.Acad.Sci.Usa V. 105 1511 2008.
ISSN: ISSN 0027-8424
PubMed: 18216238
DOI: 10.1073/PNAS.0711533105
Page generated: Mon Aug 12 07:45:23 2024

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