Potassium in PDB 6w0e: Open-Gate Kcsa Soaked in 10 Mm BACL2

The structure of Open-Gate Kcsa Soaked in 10 Mm BACL2, PDB code: 6w0e was solved by A.Rohaim, L.Gong, J.Li, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	51.22 / 3.51
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	158.283, 158.283, 74.207, 90.00, 90.00, 90.00
R / Rfree (%)	19.4 / 25

The structure of Open-Gate Kcsa Soaked in 10 Mm BACL2 also contains other interesting chemical elements:

Barium

(Ba)

1 atom

The binding sites of Potassium atom in the Open-Gate Kcsa Soaked in 10 Mm BACL2 (pdb code 6w0e). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Open-Gate Kcsa Soaked in 10 Mm BACL2, PDB code: 6w0e:

Potassium binding site 1 out of 1 in the Open-Gate Kcsa Soaked in 10 Mm BACL2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Open-Gate Kcsa Soaked in 10 Mm BACL2 within 5.0Å range: probe atom residue distance (Å) B Occ C:K202 b:20.0 occ:0.25 O C:GLY77 2.1 99.9 1.0 C C:GLY77 3.2 0.9 1.0 CA C:GLY77 3.8 0.1 1.0 N C:TYR78 4.2 0.2 1.0 C C:TYR78 4.5 92.0 1.0 CA C:TYR78 4.5 99.7 1.0 N C:GLY79 4.6 80.4 1.0 O C:VAL76 4.6 0.9 1.0

A.Rohaim, L.Gong, J.Li, H.Rui, L.Blachowicz, B.Roux. Open and Closed Structures of A Barium-Blocked Potassium Channel. J.Mol.Biol. V. 432 4783 2020.
ISSN: ESSN 1089-8638
PubMed: 32615129
DOI: 10.1016/J.JMB.2020.06.012