Calcium in PDB 2ht5: N8 Neuraminidase

All present enzymatic activity of N8 Neuraminidase:
3.2.1.18;

The structure of N8 Neuraminidase, PDB code: 2ht5 was solved by R.J.Russell, L.F.Haire, D.J.Stevens, P.J.Collins, Y.P.Lin, G.M.Blackburn, A.J.Hay, S.J.Gamblin, J.J.Skehel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.40
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	90.520, 90.520, 108.870, 90.00, 90.00, 90.00
R / Rfree (%)	21.7 / 26.1

The binding sites of Calcium atom in the N8 Neuraminidase (pdb code 2ht5). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the N8 Neuraminidase, PDB code: 2ht5:

Calcium binding site 1 out of 1 in the N8 Neuraminidase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of N8 Neuraminidase within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca995 b:49.9 occ:1.00 OD1 A:ASP324 2.3 33.9 1.0 O A:TYR347 2.5 40.6 1.0 O A:HOH1067 2.5 65.8 1.0 O A:GLY297 2.6 34.9 1.0 O A:ASP293 2.7 28.9 1.0 C A:TYR347 3.3 41.9 1.0 CG A:ASP324 3.4 33.3 1.0 CA A:GLY348 3.5 34.2 1.0 C A:GLY297 3.7 35.2 1.0 N A:GLY348 3.8 38.1 1.0 O A:GLY346 3.8 51.2 1.0 C A:ASP293 3.9 29.6 1.0 O A:HOH1054 3.9 22.5 1.0 CB A:ASP324 4.0 30.3 1.0 C A:GLY346 4.2 49.3 1.0 OD2 A:ASP324 4.3 34.0 1.0 CA A:THR298 4.3 32.2 1.0 N A:THR298 4.4 34.3 1.0 N A:TYR347 4.5 45.7 1.0 CA A:TYR347 4.5 44.2 1.0 CA A:GLY294 4.6 30.4 1.0 N A:GLY297 4.7 34.8 1.0 N A:GLY294 4.7 29.8 1.0 O A:PRO326 4.7 36.8 1.0 CA A:GLY297 4.7 35.5 1.0 O A:GLN345 4.8 50.9 1.0 C A:GLY348 4.9 31.7 1.0 CA A:ASP293 4.9 29.4 1.0 CA A:GLY346 4.9 49.9 1.0 N A:ASP293 4.9 28.8 1.0

R.J.Russell, L.F.Haire, D.J.Stevens, P.J.Collins, Y.P.Lin, G.M.Blackburn, A.J.Hay, S.J.Gamblin, J.J.Skehel. The Structure of H5N1 Avian Influenza Neuraminidase Suggests New Opportunities For Drug Design. Nature V. 443 45 2006.
ISSN: ISSN 0028-0836
PubMed: 16915235
DOI: 10.1038/NATURE05114