Potassium in PDB 4dgr: Influenza Subtype 9 Neuraminidase Benzoic Acid Inhibitor Complex

All present enzymatic activity of Influenza Subtype 9 Neuraminidase Benzoic Acid Inhibitor Complex:
3.2.1.18;

The structure of Influenza Subtype 9 Neuraminidase Benzoic Acid Inhibitor Complex, PDB code: 4dgr was solved by L.Venkatramani, E.Johnson, G.Kolavi, G.M.Air, W.Brouillette, B.H.M.Mooers, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.61 / 1.55
Space group	I 4 3 2
Cell size a, b, c (Å), α, β, γ (°)	180.969, 180.969, 180.969, 90.00, 90.00, 90.00
R / Rfree (%)	12.1 / 15.2

The structure of Influenza Subtype 9 Neuraminidase Benzoic Acid Inhibitor Complex also contains other interesting chemical elements:

Calcium

(Ca)

2 atoms

The binding sites of Potassium atom in the Influenza Subtype 9 Neuraminidase Benzoic Acid Inhibitor Complex (pdb code 4dgr). 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 Influenza Subtype 9 Neuraminidase Benzoic Acid Inhibitor Complex, PDB code: 4dgr:

Potassium binding site 1 out of 1 in the Influenza Subtype 9 Neuraminidase Benzoic Acid Inhibitor Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Influenza Subtype 9 Neuraminidase Benzoic Acid Inhibitor Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:K492 b:33.2 occ:0.65 HA A:GLU128 3.2 15.3 1.0 H A:CYS129 3.4 11.7 1.0 SG A:CYS129 3.6 13.1 1.0 N A:CYS129 3.7 9.7 1.0 CA A:GLU128 3.7 12.7 1.0 N A:GLU128 3.7 11.8 1.0 C A:GLU128 3.7 11.4 1.0 OD2 A:ASP412 3.8 11.6 1.0 O A:HOH573 3.8 21.4 1.0 H A:GLU128 3.9 14.1 0.4 C A:ASP127 4.1 13.7 0.4 O A:ASP127 4.2 14.8 0.4 C A:ASP127 4.2 14.0 0.6 O A:GLU128 4.4 14.0 1.0 HB2 A:CYS129 4.4 12.2 1.0 CB A:CYS129 4.5 10.1 1.0 CG A:ASP412 4.6 10.1 1.0 O A:ASP127 4.6 14.5 0.6 HA A:ASP127 4.6 18.5 0.6 CA A:CYS129 4.7 8.6 1.0 O A:ASP125 4.8 10.7 1.0 HB3 A:CYS124 4.8 11.5 1.0 HA A:ASP127 4.8 17.1 0.4 OD1 A:ASP412 4.9 10.5 1.0 CA A:ASP127 4.9 15.4 0.6 CA A:ASP127 5.0 14.3 0.4

L.Venkatramani, E.S.Johnson, G.Kolavi, G.M.Air, W.J.Brouillette, B.H.Mooers. Crystal Structure of A New Benzoic Acid Inhibitor of Influenza Neuraminidase Bound with A New Tilt Induced By Overpacking Sub-Site C6. Bmc Struct.Biol. V. 12 7 2012.
ISSN: ESSN 1472-6807
PubMed: 22559154
DOI: 10.1186/1472-6807-12-7