Potassium in PDB 6w0a: Open-Gate Kcsa Soaked in 1 Mm BACL2

Protein crystallography data

The structure of Open-Gate Kcsa Soaked in 1 Mm BACL2, PDB code: 6w0a 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) 50.83 / 3.24
Space group I 4
Cell size a, b, c (Å), α, β, γ (°) 156.569, 156.569, 73.895, 90.00, 90.00, 90.00
R / Rfree (%) 18 / 24.2

Other elements in 6w0a:

The structure of Open-Gate Kcsa Soaked in 1 Mm BACL2 also contains other interesting chemical elements:

Barium (Ba) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Open-Gate Kcsa Soaked in 1 Mm BACL2 (pdb code 6w0a). 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 1 Mm BACL2, PDB code: 6w0a:

Potassium binding site 1 out of 1 in 6w0a

Go back to Potassium Binding Sites List in 6w0a
Potassium binding site 1 out of 1 in the Open-Gate Kcsa Soaked in 1 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 1 Mm BACL2 within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K202

b:0.2
occ:0.25
O C:GLY77 2.9 55.1 1.0
O C:TYR78 4.0 62.6 1.0
C C:GLY77 4.0 54.2 1.0
C C:TYR78 4.2 58.4 1.0
CA C:GLY79 4.4 56.7 1.0
N C:GLY79 4.4 56.8 1.0
CA C:GLY77 4.8 71.0 1.0
CA C:TYR78 4.8 57.4 1.0
N C:TYR78 4.9 50.5 1.0

Reference:

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
Page generated: Mon Dec 14 02:12:03 2020

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