Barium in PDB 6w0c: Open-Gate Kcsa Soaked in 4 Mm BACL2

The structure of Open-Gate Kcsa Soaked in 4 Mm BACL2, PDB code: 6w0c 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)	55.14 / 3.56
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	155.970, 155.970, 74.316, 90.00, 90.00, 90.00
R / Rfree (%)	20 / 24.8

The structure of Open-Gate Kcsa Soaked in 4 Mm BACL2 also contains other interesting chemical elements:

Potassium

(K)

1 atom

The binding sites of Barium atom in the Open-Gate Kcsa Soaked in 4 Mm BACL2 (pdb code 6w0c). This binding sites where shown within 5.0 Angstroms radius around Barium atom.
In total only one binding site of Barium was determined in the Open-Gate Kcsa Soaked in 4 Mm BACL2, PDB code: 6w0c:

Barium binding site 1 out of 1 in the Open-Gate Kcsa Soaked in 4 Mm BACL2


Mono view


Stereo pair view

A full contact list of Barium with other atoms in the Ba binding site number 1 of Open-Gate Kcsa Soaked in 4 Mm BACL2 within 5.0Å range: probe atom residue distance (Å) B Occ C:Ba201 b:57.2 occ:0.20 O C:HOH303 2.4 30.0 0.2 O C:THR75 2.8 92.1 1.0 OG1 C:THR75 2.9 0.7 1.0 CB C:THR75 3.3 98.5 1.0 C C:THR75 3.7 87.5 1.0 CA C:THR75 4.1 86.3 1.0 CG2 C:THR75 4.6 96.3 1.0 N C:VAL76 4.8 84.5 1.0 O C:HOH304 4.9 30.0 0.2

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