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Potassium in PDB 6w8f: K2P2.1 (Trek-1):ML335 Complex, 0 Mm K+

Protein crystallography data

The structure of K2P2.1 (Trek-1):ML335 Complex, 0 Mm K+, PDB code: 6w8f 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) 14.99 / 3.40
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 66.671, 119.963, 128.941, 90, 90, 90
R / Rfree (%) 24.7 / 26.7

Other elements in 6w8f:

The structure of K2P2.1 (Trek-1):ML335 Complex, 0 Mm K+ also contains other interesting chemical elements:

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

Potassium Binding Sites:

The binding sites of Potassium atom in the K2P2.1 (Trek-1):ML335 Complex, 0 Mm K+ (pdb code 6w8f). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the K2P2.1 (Trek-1):ML335 Complex, 0 Mm K+, PDB code: 6w8f:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 6w8f

Go back to Potassium Binding Sites List in 6w8f
Potassium binding site 1 out of 4 in the K2P2.1 (Trek-1):ML335 Complex, 0 Mm K+


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, 0 Mm K+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K401

b:130.3
occ:1.00
 O B:THR251 2.7 118.7 1.0
K A:K407 2.7 157.5 1.0
O A:THR251 2.7 118.6 1.0
O A:ILE143 2.8 120.5 1.0
O A:THR142 2.8 118.3 1.0
O B:THR142 2.8 116.2 1.0
O B:ILE143 2.9 117.9 1.0
O A:ILE252 2.9 118.1 1.0
O B:ILE252 2.9 123.9 1.0
C A:ILE143 3.6 121.0 1.0
C B:ILE252 3.6 123.0 1.0
C B:ILE143 3.6 117.7 1.0
C A:ILE252 3.6 118.6 1.0
K A:K408 3.6 140.1 1.0
C B:THR251 3.8 118.4 1.0
C A:THR251 3.9 118.8 1.0
C A:THR142 3.9 119.8 1.0
C B:THR142 4.0 117.4 1.0
CA A:ILE143 4.0 120.2 1.0
CA B:ILE252 4.1 119.8 1.0
CA B:ILE143 4.1 115.8 1.0
CA A:ILE252 4.1 117.7 1.0
N B:ILE252 4.5 118.5 1.0
N B:GLY253 4.5 126.0 1.0
N A:ILE252 4.5 117.9 1.0
N A:ILE143 4.5 120.2 1.0
N A:GLY144 4.5 122.3 1.0
N A:GLY253 4.5 120.6 1.0
N B:GLY144 4.5 119.8 1.0
N B:ILE143 4.6 116.0 1.0
O A:GLY253 4.7 124.7 1.0
O A:GLY144 4.8 124.2 1.0
O B:GLY253 4.8 134.9 1.0
CA B:GLY253 4.8 129.3 1.0
CA A:GLY253 4.8 122.4 1.0
O B:GLY144 4.8 124.7 1.0
CA B:GLY144 4.8 121.5 1.0
CA A:GLY144 4.9 124.0 1.0
CA A:THR251 5.0 119.2 1.0
CA B:THR251 5.0 117.2 1.0

Potassium binding site 2 out of 4 in 6w8f

Go back to Potassium Binding Sites List in 6w8f
Potassium binding site 2 out of 4 in the K2P2.1 (Trek-1):ML335 Complex, 0 Mm K+


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, 0 Mm K+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K407

b:157.5
occ:1.00
 O B:GLY253 2.7 134.9 1.0
O A:GLY253 2.7 124.7 1.0
O B:GLY144 2.7 124.7 1.0
K A:K401 2.7 130.3 1.0
O A:GLY144 2.8 124.2 1.0
O B:ILE143 2.8 117.9 1.0
O B:ILE252 2.8 123.9 1.0
O A:ILE143 2.8 120.5 1.0
O A:ILE252 2.9 118.1 1.0
K B:K401 3.1 147.9 1.0
C B:GLY144 3.6 123.7 1.0
C B:GLY253 3.6 133.7 1.0
C A:GLY253 3.6 124.2 1.0
C A:GLY144 3.6 125.4 1.0
C B:ILE143 3.9 117.7 1.0
C B:ILE252 3.9 123.0 1.0
C A:ILE143 4.0 121.0 1.0
C A:ILE252 4.0 118.6 1.0
CA B:GLY144 4.1 121.5 1.0
CA B:GLY253 4.1 129.3 1.0
CA A:GLY253 4.2 122.4 1.0
CA A:GLY144 4.2 124.0 1.0
N B:GLY144 4.5 119.8 1.0
N B:GLY253 4.5 126.0 1.0
N B:PHE145 4.5 124.5 1.0
N A:GLY253 4.5 120.6 1.0
N B:PHE254 4.5 136.6 1.0
N A:PHE254 4.5 125.6 1.0
N A:GLY144 4.5 122.3 1.0
N A:PHE145 4.6 128.6 1.0
CA A:PHE145 4.8 131.3 1.0
CA A:PHE254 4.9 127.1 1.0
CA B:PHE145 4.9 125.3 1.0
CA B:PHE254 4.9 139.5 1.0
O B:THR251 4.9 118.7 1.0
O B:THR142 5.0 116.2 1.0
O A:THR251 5.0 118.6 1.0
O A:THR142 5.0 118.3 1.0

Potassium binding site 3 out of 4 in 6w8f

Go back to Potassium Binding Sites List in 6w8f
Potassium binding site 3 out of 4 in the K2P2.1 (Trek-1):ML335 Complex, 0 Mm K+


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, 0 Mm K+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K408

b:140.1
occ:1.00
 O B:THR251 2.8 118.7 1.0
O A:THR251 2.9 118.6 1.0
O B:THR142 3.0 116.2 1.0
O A:THR142 3.0 118.3 1.0
OG1 B:THR251 3.0 117.9 1.0
OG1 A:THR251 3.2 121.3 1.0
OG1 B:THR142 3.2 124.4 1.0
OG1 A:THR142 3.3 123.6 1.0
CB B:THR251 3.3 117.5 1.0
CB A:THR251 3.5 119.8 1.0
K A:K401 3.6 130.3 1.0
CB A:THR142 3.7 122.2 1.0
C B:THR251 3.7 118.4 1.0
CB B:THR142 3.7 123.6 1.0
C A:THR251 3.8 118.8 1.0
C B:THR142 3.9 117.4 1.0
C A:THR142 3.9 119.8 1.0
CA B:THR251 4.2 117.2 1.0
CA A:THR251 4.3 119.2 1.0
CA A:THR142 4.4 119.7 1.0
CA B:THR142 4.5 119.2 1.0
CG2 B:THR251 4.6 119.0 1.0
CG2 A:THR251 4.7 120.1 1.0
N B:ILE252 4.7 118.5 1.0
N B:ILE143 4.8 116.0 1.0
O B:THR250 4.9 115.7 1.0
N A:ILE252 4.9 117.9 1.0
N A:ILE143 4.9 120.2 1.0
CG2 A:THR142 4.9 122.3 1.0
CG2 B:THR142 4.9 124.8 1.0
O B:THR141 5.0 112.4 1.0

Potassium binding site 4 out of 4 in 6w8f

Go back to Potassium Binding Sites List in 6w8f
Potassium binding site 4 out of 4 in the K2P2.1 (Trek-1):ML335 Complex, 0 Mm K+


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, 0 Mm K+ within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K401

b:147.9
occ:1.00
 O B:PHE145 2.8 127.4 1.0
O B:GLY144 2.8 124.7 1.0
O A:PHE145 2.8 134.1 1.0
O B:PHE254 2.9 141.6 1.0
O B:GLY253 2.9 134.9 1.0
O A:PHE254 2.9 132.6 1.0
O A:GLY144 3.0 124.2 1.0
O A:GLY253 3.0 124.7 1.0
K A:K407 3.1 157.5 1.0
C B:PHE145 3.4 128.0 1.0
C A:PHE145 3.4 134.6 1.0
C B:PHE254 3.5 142.8 1.0
C A:PHE254 3.5 132.1 1.0
CA B:PHE254 3.9 139.5 1.0
C B:GLY144 4.0 123.7 1.0
CA A:PHE254 4.0 127.1 1.0
C B:GLY253 4.0 133.7 1.0
CA B:PHE145 4.0 125.3 1.0
CA A:PHE145 4.1 131.3 1.0
C A:GLY144 4.1 125.4 1.0
C A:GLY253 4.1 124.2 1.0
N A:GLY146 4.1 137.1 1.0
N B:GLY146 4.2 130.3 1.0
CA A:GLY146 4.3 140.2 1.0
N B:GLY255 4.4 146.0 1.0
CA B:GLY146 4.4 133.2 1.0
N A:GLY255 4.4 135.0 1.0
N B:PHE254 4.5 136.6 1.0
N B:PHE145 4.5 124.5 1.0
N A:PHE254 4.6 125.6 1.0
N A:PHE145 4.6 128.6 1.0
CA B:GLY255 4.9 148.8 1.0
CA A:GLY255 4.9 138.8 1.0

Reference:

M.Lolicato, A.M.Natale, F.Abderemane-Ali, D.Crottes, S.Capponi, R.Duman, A.Wagner, J.M.Rosenberg, M.Grabe, D.L.Minor Jr.. K 2P Channel C-Type Gating Involves Asymmetric Selectivity Filter Order-Disorder Transitions. Sci Adv V. 6 2020.
ISSN: ESSN 2375-2548
PubMed: 33127683
DOI: 10.1126/SCIADV.ABC9174
Page generated: Sat Aug 9 12:36:13 2025

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