Potassium in PDB 6o7c: Crystal Structure of the Ljcastor Gating Ring in the CA2+ and K+ State

The structure of Crystal Structure of the Ljcastor Gating Ring in the CA2+ and K+ State, PDB code: 6o7c was solved by Y.Jiang, S.Kim, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	39.71 / 1.85
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	125.569, 125.569, 82.787, 90.00, 90.00, 90.00
R / Rfree (%)	17.3 / 21

The structure of Crystal Structure of the Ljcastor Gating Ring in the CA2+ and K+ State also contains other interesting chemical elements:

Magnesium	(Mg)	1 atom
Calcium	(Ca)	3 atoms
Sodium	(Na)	1 atom

The binding sites of Potassium atom in the Crystal Structure of the Ljcastor Gating Ring in the CA2+ and K+ State (pdb code 6o7c). 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 Crystal Structure of the Ljcastor Gating Ring in the CA2+ and K+ State, PDB code: 6o7c:

Potassium binding site 1 out of 1 in the Crystal Structure of the Ljcastor Gating Ring in the CA2+ and K+ State


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of the Ljcastor Gating Ring in the CA2+ and K+ State within 5.0Å range: probe atom residue distance (Å) B Occ A:K1005 b:35.3 occ:1.00 O A:GLU490 2.6 34.3 1.0 O A:CYS492 2.6 31.3 1.0 O A:ASP485 2.6 39.1 1.0 O A:GLY488 2.7 40.5 1.0 OE1 A:GLU493 2.8 32.1 1.0 O A:ILE486 2.9 36.1 1.0 O A:LEU487 3.2 36.7 1.0 C A:ILE486 3.4 34.2 1.0 C A:CYS492 3.4 33.1 1.0 C A:GLY488 3.5 38.5 1.0 CB A:GLU493 3.6 31.2 1.0 O A:HOH1174 3.6 41.0 1.0 C A:ASP485 3.8 40.2 1.0 C A:GLU490 3.8 32.7 1.0 C A:LEU487 3.8 31.7 1.0 CA A:ILE486 3.8 31.5 1.0 CD A:GLU493 3.8 33.1 1.0 N A:CYS492 3.9 32.6 1.0 N A:GLU493 4.0 31.6 1.0 N A:PHE489 4.0 34.6 1.0 C A:ASN491 4.1 32.5 1.0 CA A:PHE489 4.1 33.7 1.0 C A:PHE489 4.1 35.7 1.0 N A:LEU487 4.2 33.8 1.0 CA A:GLU493 4.2 33.1 1.0 CA A:CYS492 4.2 31.0 1.0 N A:GLU490 4.2 29.6 1.0 N A:ILE486 4.3 37.0 1.0 CG A:GLU493 4.3 32.6 1.0 N A:GLY488 4.4 36.1 1.0 O A:ASN491 4.5 34.4 1.0 CA A:GLY488 4.5 36.5 1.0 CA A:LEU487 4.5 33.4 1.0 O A:PHE489 4.5 31.0 1.0 CB A:ASN491 4.5 36.5 1.0 N A:ASN491 4.6 31.7 1.0 CA A:GLU490 4.7 34.3 1.0 CA A:ASN491 4.7 33.9 1.0 O A:HOH1320 4.7 44.9 1.0 OE1 A:GLU490 4.9 67.8 1.0 CA A:CA1002 5.0 31.4 1.0 OE2 A:GLU493 5.0 33.3 1.0

S.Kim, W.Zeng, S.Bernard, J.Liao, M.Venkateshwaran, J.M.Ane, Y.Jiang. CA2+-Regulated CA2+Channels with An Rck Gating Ring Control Plant Symbiotic Associations. Nat Commun V. 10 3703 2019.
ISSN: ESSN 2041-1723
PubMed: 31420535
DOI: 10.1038/S41467-019-11698-5