Potassium in PDB 1xu4: Atpase in Complex with Amp-Pnp, Magnesium and Potassium Co-F

The structure of Atpase in Complex with Amp-Pnp, Magnesium and Potassium Co-F, PDB code: 1xu4 was solved by Y.Wu, X.Qian, Y.He, I.A.Moya, Y.Luo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.40
Space group	P 61
Cell size a, b, c (Å), α, β, γ (°)	83.858, 83.858, 104.766, 90.00, 90.00, 120.00
R / Rfree (%)	19.6 / 24.3

The structure of Atpase in Complex with Amp-Pnp, Magnesium and Potassium Co-F also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

The binding sites of Potassium atom in the Atpase in Complex with Amp-Pnp, Magnesium and Potassium Co-F (pdb code 1xu4). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Atpase in Complex with Amp-Pnp, Magnesium and Potassium Co-F, PDB code: 1xu4:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Atpase in Complex with Amp-Pnp, Magnesium and Potassium Co-F


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Atpase in Complex with Amp-Pnp, Magnesium and Potassium Co-F within 5.0Å range: probe atom residue distance (Å) B Occ A:K503 b:31.7 occ:1.00 O2G A:ANP401 2.7 32.2 1.0 PG A:ANP401 4.1 31.4 1.0 K A:K504 4.2 41.1 1.0 CB A:PHE107 4.2 32.2 1.0 N3B A:ANP401 4.5 28.3 1.0 CD1 A:PHE107 4.6 31.6 1.0 CG A:PHE107 4.8 32.8 1.0 O3G A:ANP401 4.9 32.9 1.0 N A:GLY108 4.9 30.8 1.0 O1G A:ANP401 4.9 31.1 1.0

Potassium binding site 2 out of 2 in the Atpase in Complex with Amp-Pnp, Magnesium and Potassium Co-F


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Atpase in Complex with Amp-Pnp, Magnesium and Potassium Co-F within 5.0Å range: probe atom residue distance (Å) B Occ A:K504 b:41.1 occ:1.00 OE1 A:GLU151 2.7 37.5 1.0 O2G A:ANP401 2.8 32.2 1.0 O1G A:ANP401 2.9 31.1 1.0 O A:HOH603 3.4 25.9 1.0 PG A:ANP401 3.4 31.4 1.0 MG A:MG501 3.9 38.9 1.0 CD A:GLU151 3.9 36.4 1.0 O A:HOH609 3.9 30.4 1.0 O A:HOH602 4.0 39.7 1.0 K A:K503 4.2 31.7 1.0 O3G A:ANP401 4.3 32.9 1.0 CG2 A:THR153 4.6 25.8 1.0 OE2 A:GLU151 4.7 38.1 1.0 CB A:GLU151 4.7 31.2 1.0 N3B A:ANP401 4.7 28.3 1.0 CG A:GLU151 4.8 34.4 1.0

Y.Wu, X.Qian, Y.He, I.A.Moya, Y.Luo. Crystal Structure of An Atpase-Active Form of RAD51 Homolog From Methanococcus Voltae. Insights Into Potassium Dependence J.Biol.Chem. V. 280 722 2005.
ISSN: ISSN 0021-9258
PubMed: 15537659
DOI: 10.1074/JBC.M411093200