Potassium in PDB 4qxg: Antigen Binding Fragment of An Anti IFNAR1 Antibody

The structure of Antigen Binding Fragment of An Anti IFNAR1 Antibody, PDB code: 4qxg was solved by V.Y.Oganesyan, W.F.Dall'acqua, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.00 / 2.30
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	38.456, 57.286, 100.212, 90.00, 100.65, 90.00
R / Rfree (%)	19 / 24.9

The binding sites of Potassium atom in the Antigen Binding Fragment of An Anti IFNAR1 Antibody (pdb code 4qxg). 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 Antigen Binding Fragment of An Anti IFNAR1 Antibody, PDB code: 4qxg:

Potassium binding site 1 out of 1 in the Antigen Binding Fragment of An Anti IFNAR1 Antibody


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Antigen Binding Fragment of An Anti IFNAR1 Antibody within 5.0Å range: probe atom residue distance (Å) B Occ H:K301 b:23.2 occ:1.00 O H:GLY15 2.6 23.6 1.0 O H:SER84 2.8 21.1 1.0 OG H:SER85 2.9 20.9 1.0 C H:SER84 3.7 21.0 1.0 C H:GLY15 3.8 23.7 1.0 CB H:SER85 4.0 20.9 1.0 CA H:SER85 4.1 21.0 1.0 C H:GLU16 4.3 23.2 1.0 N H:SER85 4.3 20.8 1.0 N H:SER17 4.3 22.6 1.0 CA H:GLU16 4.5 23.7 1.0 N H:GLU16 4.6 24.0 1.0 CB H:SER17 4.7 22.2 1.0 O H:GLU16 4.7 22.9 1.0 CA H:SER84 4.7 20.7 1.0 CA H:GLY15 4.9 23.5 1.0 CA H:SER17 4.9 22.4 1.0

L.Peng, V.Oganesyan, H.Wu, W.F.Dall'acqua, M.M.Damschroder. Molecular Basis For the Antagonistic Activity of An Anti- Interferon Alpha Receptor 1 Antibody. Mabs 2015.
ISSN: ESSN 1942-0870
PubMed: 25606664
DOI: 10.1080/19420862.2015.1007810