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Potassium in PDB 6cq8: K2P2.1(Trek-1):ML335 Complex

Protein crystallography data

The structure of K2P2.1(Trek-1):ML335 Complex, PDB code: 6cq8 was solved by M.Lolicato, D.L.Minor, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 14.95 / 3.00
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 67.074, 119.386, 128.179, 90.00, 90.00, 90.00
R / Rfree (%) 25.7 / 27.7

Other elements in 6cq8:

The structure of K2P2.1(Trek-1):ML335 Complex also contains other interesting chemical elements:

Cadmium (Cd) 3 atoms
Chlorine (Cl) 4 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the K2P2.1(Trek-1):ML335 Complex (pdb code 6cq8). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the K2P2.1(Trek-1):ML335 Complex, PDB code: 6cq8:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6;

Potassium binding site 1 out of 6 in 6cq8

Go back to Potassium Binding Sites List in 6cq8
Potassium binding site 1 out of 6 in the K2P2.1(Trek-1):ML335 Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of K2P2.1(Trek-1):ML335 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K401

b:0.8
occ:1.00
 OG1 A:THR142 4.5 64.0 1.0
OG1 B:THR251 4.6 61.9 1.0
OG1 A:THR251 4.7 56.3 1.0
K B:K402 5.0 68.0 1.0

Potassium binding site 2 out of 6 in 6cq8

Go back to Potassium Binding Sites List in 6cq8
Potassium binding site 2 out of 6 in the K2P2.1(Trek-1):ML335 Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of K2P2.1(Trek-1):ML335 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K402

b:69.5
occ:1.00
 O A:PHE145 2.6 70.9 1.0
O A:PHE254 2.6 72.8 1.0
O B:PHE254 2.8 71.0 1.0
O B:PHE145 2.8 74.2 1.0
O A:GLY253 3.0 56.9 1.0
O B:GLY144 3.0 67.9 1.0
O A:GLY144 3.2 63.9 1.0
C A:PHE145 3.3 66.2 1.0
C A:PHE254 3.3 69.4 1.0
O B:GLY253 3.3 65.4 1.0
K B:K401 3.4 84.8 1.0
C B:PHE145 3.5 73.8 1.0
C B:PHE254 3.6 69.1 1.0
CA A:PHE254 3.9 67.6 1.0
CA A:PHE145 3.9 66.7 1.0
N A:GLY255 4.1 69.5 1.0
N A:GLY146 4.1 67.4 1.0
C A:GLY253 4.1 62.2 1.0
CA B:PHE254 4.1 68.9 1.0
N B:GLY146 4.2 73.3 1.0
C B:GLY144 4.2 66.5 1.0
C A:GLY144 4.2 64.1 1.0
CA B:PHE145 4.3 68.5 1.0
CA B:GLY146 4.3 71.8 1.0
CA A:GLY146 4.3 71.8 1.0
C B:GLY253 4.4 71.0 1.0
CA A:GLY255 4.4 85.4 1.0
N A:PHE254 4.5 80.5 1.0
N A:PHE145 4.6 65.3 1.0
N B:GLY255 4.7 73.7 1.0
N B:PHE145 4.8 66.0 1.0
N B:PHE254 4.8 81.2 1.0
K B:K403 4.9 0.5 1.0

Potassium binding site 3 out of 6 in 6cq8

Go back to Potassium Binding Sites List in 6cq8
Potassium binding site 3 out of 6 in the K2P2.1(Trek-1):ML335 Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of K2P2.1(Trek-1):ML335 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K403

b:66.0
occ:1.00
 O A:THR251 2.4 52.1 1.0
O A:ILE252 2.6 59.0 1.0
O A:THR142 2.7 78.4 1.0
O B:THR251 2.8 59.6 1.0
O A:ILE143 2.8 82.2 1.0
O B:THR142 2.8 62.1 1.0
K B:K401 2.8 84.8 1.0
O B:ILE252 2.8 66.3 1.0
O B:ILE143 2.9 62.8 1.0
C A:ILE252 3.4 58.0 1.0
C A:ILE143 3.5 66.3 1.0
K B:K402 3.5 68.0 1.0
C B:ILE143 3.6 59.9 1.0
C A:THR251 3.6 53.7 1.0
C B:ILE252 3.6 66.9 1.0
CA A:ILE143 3.9 61.1 1.0
C A:THR142 3.9 71.3 1.0
C B:THR142 3.9 57.0 1.0
C B:THR251 3.9 65.6 1.0
CA A:ILE252 4.0 49.7 1.0
CA B:ILE252 4.1 76.1 1.0
CA B:ILE143 4.2 53.5 1.0
N A:ILE252 4.3 45.3 1.0
N A:ILE143 4.4 60.9 1.0
N A:GLY253 4.4 58.0 1.0
N B:GLY144 4.5 56.1 1.0
N B:ILE252 4.5 66.6 1.0
N A:GLY144 4.5 61.0 1.0
N B:ILE143 4.5 55.8 1.0
N B:GLY253 4.6 64.2 1.0
CA A:THR251 4.8 54.8 1.0
O A:GLY253 4.8 56.9 1.0
CA A:GLY253 4.8 54.0 1.0
O A:GLY144 4.8 63.9 1.0
O B:GLY253 4.8 65.4 1.0
O B:GLY144 4.8 67.9 1.0
CA B:GLY144 4.8 57.5 1.0
CB A:THR251 4.9 53.6 1.0
CA A:GLY144 5.0 62.6 1.0
CA B:THR142 5.0 54.3 1.0

Potassium binding site 4 out of 6 in 6cq8

Go back to Potassium Binding Sites List in 6cq8
Potassium binding site 4 out of 6 in the K2P2.1(Trek-1):ML335 Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of K2P2.1(Trek-1):ML335 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K401

b:84.8
occ:1.00
 O B:ILE252 2.5 66.3 1.0
O B:GLY253 2.5 65.4 1.0
O B:ILE143 2.7 62.8 1.0
O B:GLY144 2.7 67.9 1.0
O A:GLY144 2.7 63.9 1.0
O A:ILE143 2.8 82.2 1.0
K A:K403 2.8 66.0 1.0
O A:ILE252 2.9 59.0 1.0
O A:GLY253 3.0 56.9 1.0
C B:GLY253 3.4 71.0 1.0
K A:K402 3.4 69.5 1.0
C B:GLY144 3.5 66.5 1.0
C A:GLY144 3.6 64.1 1.0
C B:ILE252 3.7 66.9 1.0
C A:GLY253 3.8 62.2 1.0
C B:ILE143 3.9 59.9 1.0
C A:ILE143 3.9 66.3 1.0
CA B:GLY253 4.0 67.1 1.0
CA B:GLY144 4.1 57.5 1.0
C A:ILE252 4.1 58.0 1.0
CA A:GLY144 4.2 62.6 1.0
N B:GLY253 4.3 64.2 1.0
N B:PHE254 4.3 81.2 1.0
CA A:GLY253 4.4 54.0 1.0
N B:GLY144 4.4 56.1 1.0
N B:PHE145 4.5 66.0 1.0
N A:PHE145 4.5 65.3 1.0
N A:GLY144 4.5 61.0 1.0
CA B:PHE254 4.7 68.9 1.0
N A:GLY253 4.7 58.0 1.0
O A:THR142 4.7 78.4 1.0
O B:THR251 4.8 59.6 1.0
N A:PHE254 4.8 80.5 1.0
CA B:PHE145 4.8 68.5 1.0
O A:THR251 4.8 52.1 1.0
CA A:PHE145 4.8 66.7 1.0
CA B:ILE252 4.9 76.1 1.0

Potassium binding site 5 out of 6 in 6cq8

Go back to Potassium Binding Sites List in 6cq8
Potassium binding site 5 out of 6 in the K2P2.1(Trek-1):ML335 Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of K2P2.1(Trek-1):ML335 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K402

b:68.0
occ:1.00
 O B:THR142 2.7 62.1 1.0
O B:THR251 2.8 59.6 1.0
OG1 B:THR142 2.9 59.8 1.0
OG1 A:THR251 3.0 56.3 1.0
O A:THR251 3.0 52.1 1.0
OG1 B:THR251 3.1 61.9 1.0
CB A:THR251 3.2 53.6 1.0
O A:THR142 3.3 78.4 1.0
CB B:THR251 3.3 47.6 1.0
CB B:THR142 3.4 42.2 1.0
OG1 A:THR142 3.5 64.0 1.0
K A:K403 3.5 66.0 1.0
C B:THR251 3.7 65.6 1.0
C B:THR142 3.7 57.0 1.0
C A:THR251 3.7 53.7 1.0
CB A:THR142 3.7 59.1 1.0
C A:THR142 4.0 71.3 1.0
CA A:THR251 4.1 54.8 1.0
CA B:THR251 4.1 62.8 1.0
CA B:THR142 4.2 54.3 1.0
CG2 A:THR251 4.4 59.3 1.0
CG2 B:THR251 4.5 49.5 1.0
CA A:THR142 4.5 59.0 1.0
CG2 B:THR142 4.7 40.4 1.0
N A:ILE252 4.7 45.3 1.0
N B:ILE252 4.7 66.6 1.0
N B:ILE143 4.7 55.8 1.0
N A:ILE143 4.8 60.9 1.0
O A:THR250 4.9 56.0 1.0
O B:THR250 4.9 76.0 1.0
CG2 A:THR142 4.9 48.5 1.0
O B:THR141 5.0 53.1 1.0
K A:K401 5.0 0.8 1.0

Potassium binding site 6 out of 6 in 6cq8

Go back to Potassium Binding Sites List in 6cq8
Potassium binding site 6 out of 6 in the K2P2.1(Trek-1):ML335 Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of K2P2.1(Trek-1):ML335 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K403

b:0.5
occ:1.00
 O B:PHE254 4.3 71.0 1.0
O A:GLY146 4.3 85.3 1.0
O B:PHE145 4.4 74.2 1.0
O A:PHE254 4.5 72.8 1.0
O A:PHE145 4.6 70.9 1.0
C A:GLY146 4.6 81.9 1.0
C B:GLY146 4.7 78.9 1.0
N B:ASN147 4.8 85.5 1.0
O B:GLY146 4.9 81.1 1.0
K A:K402 4.9 69.5 1.0

Reference:

M.Lolicato, C.Arrigoni, T.Mori, Y.Sekioka, C.Bryant, K.A.Clark, D.L.Minor. K2P2.1 (Trek-1)-Activator Complexes Reveal A Cryptic Selectivity Filter Binding Site. Nature V. 547 364 2017.
ISSN: ESSN 1476-4687
PubMed: 28693035
DOI: 10.1038/NATURE22988
Page generated: Mon Aug 12 15:36:11 2024

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