Potassium in PDB 6w82: K2P2.1 (Trek-1), 50 Mm K+

The structure of K2P2.1 (Trek-1), 50 Mm K+, PDB code: 6w82 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)	14.98 / 3.60
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	67.487, 122.067, 126.861, 90, 90, 90
R / Rfree (%)	24.6 / 30.2

The structure of K2P2.1 (Trek-1), 50 Mm K+ also contains other interesting chemical elements:

Cadmium

(Cd)

1 atom

The binding sites of Potassium atom in the K2P2.1 (Trek-1), 50 Mm K+ (pdb code 6w82). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the K2P2.1 (Trek-1), 50 Mm K+, PDB code: 6w82:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the K2P2.1 (Trek-1), 50 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), 50 Mm K+ within 5.0Å range: probe atom residue distance (Å) B Occ A:K407 b:131.2 occ:1.00 O A:THR251 2.7 110.8 1.0 O B:THR251 2.8 102.1 1.0 OG1 A:THR251 2.9 168.3 1.0 OG1 B:THR251 2.9 135.1 1.0 OG1 B:THR142 3.0 128.2 1.0 O B:THR142 3.1 100.9 1.0 CB A:THR251 3.2 164.3 1.0 O A:THR142 3.3 126.4 1.0 OG1 A:THR142 3.3 163.6 1.0 CG2 B:THR251 3.4 152.2 1.0 CB B:THR142 3.5 121.1 1.0 C A:THR251 3.6 139.9 1.0 CB B:THR251 3.7 134.2 1.0 CB A:THR142 3.8 129.0 1.0 K A:K408 3.9 160.5 1.0 C B:THR251 3.9 115.6 1.0 C B:THR142 4.0 105.6 1.0 CA A:THR251 4.1 140.3 1.0 C A:THR142 4.1 129.0 1.0 CA B:THR142 4.4 114.8 1.0 CA B:THR251 4.4 125.8 1.0 CG2 A:THR251 4.4 191.8 1.0 CA A:THR142 4.7 122.2 1.0 N A:ILE252 4.7 152.5 1.0 CG2 B:THR142 4.7 130.4 1.0 O A:THR250 4.8 133.3 1.0 O B:THR141 4.8 100.4 1.0 N B:ILE143 4.9 89.9 1.0

Potassium binding site 2 out of 2 in the K2P2.1 (Trek-1), 50 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), 50 Mm K+ within 5.0Å range: probe atom residue distance (Å) B Occ A:K408 b:160.5 occ:1.00 O B:ILE252 2.6 149.3 1.0 O B:ILE143 2.7 123.7 1.0 O A:ILE143 2.8 124.9 1.0 O A:ILE252 2.8 111.3 1.0 O A:THR251 2.9 110.8 1.0 O B:THR142 2.9 100.9 1.0 O A:THR142 3.0 126.4 1.0 O B:THR251 3.3 102.1 1.0 C B:ILE252 3.4 172.3 1.0 C B:ILE143 3.6 120.7 1.0 C A:ILE252 3.6 120.4 1.0 C A:ILE143 3.7 139.3 1.0 K A:K407 3.9 131.2 1.0 C A:THR251 4.0 139.9 1.0 CA B:ILE252 4.0 159.1 1.0 CA B:ILE143 4.0 99.7 1.0 C B:THR142 4.1 105.6 1.0 C B:THR251 4.1 115.6 1.0 C A:THR142 4.1 129.0 1.0 CA A:ILE252 4.1 136.9 1.0 CA A:ILE143 4.2 152.2 1.0 N B:GLY253 4.3 191.8 1.0 N B:ILE252 4.5 135.2 1.0 O B:GLY253 4.5 231.4 1.0 N A:ILE252 4.5 152.5 1.0 N B:ILE143 4.6 89.9 1.0 CA B:GLY253 4.6 198.9 1.0 N A:GLY253 4.6 120.7 1.0 O A:GLY144 4.6 160.7 1.0 OG1 B:THR251 4.6 135.1 1.0 N B:GLY144 4.7 160.5 1.0 N A:ILE143 4.7 142.0 1.0 O B:GLY144 4.7 190.2 1.0 O A:GLY253 4.7 175.4 1.0 N A:GLY144 4.7 146.0 1.0 CA A:GLY253 4.9 127.4 1.0 C B:GLY253 4.9 212.8 1.0

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