Calcium in PDB 4qn3: Crystal Structure of Neuraminidase N7

The structure of Crystal Structure of Neuraminidase N7, PDB code: 4qn3 was solved by X.Sun, Q.Li, Y.Wu, Y.Liu, J.Qi, C.J.Vavricka, G.F.Gao, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.59 / 2.09
Space group	P 4 21 2
Cell size a, b, c (Å), α, β, γ (°)	110.524, 110.524, 121.418, 90.00, 90.00, 90.00
R / Rfree (%)	17.5 / 21.1

The binding sites of Calcium atom in the Crystal Structure of Neuraminidase N7 (pdb code 4qn3). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of Neuraminidase N7, PDB code: 4qn3:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of Neuraminidase N7


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Neuraminidase N7 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca501 b:48.2 occ:1.00 O A:ASP212 2.2 40.2 1.0 O A:GLY216 2.3 30.9 1.0 O A:PRO266 2.4 23.7 1.0 OD2 A:ASP243 2.5 27.4 1.0 C A:GLY216 3.4 31.9 1.0 C A:ASP212 3.4 35.2 1.0 CG A:ASP243 3.5 26.4 1.0 C A:PRO266 3.5 28.3 1.0 O A:HOH657 3.7 24.3 1.0 CA A:GLY267 3.9 32.1 1.0 CA A:ASN213 4.1 55.5 1.0 N A:GLY267 4.2 31.4 1.0 CB A:ASP243 4.2 24.7 1.0 N A:ASN213 4.2 51.2 1.0 N A:ALA217 4.2 28.9 1.0 N A:GLY216 4.3 40.6 1.0 CA A:GLY216 4.3 33.9 1.0 OD1 A:ASP243 4.4 23.5 1.0 CA A:ALA217 4.4 28.5 1.0 CA A:ASP212 4.4 29.8 1.0 CB A:ASP212 4.5 32.6 1.0 N A:ASP212 4.6 27.2 1.0 CA A:PRO266 4.6 28.5 1.0 C A:ASN213 4.7 56.9 1.0 OG A:SER262 5.0 62.5 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of Neuraminidase N7


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of Neuraminidase N7 within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca501 b:44.0 occ:1.00 O B:HOH645 2.1 33.5 1.0 O B:ASP212 2.3 33.0 1.0 O B:PRO266 2.4 31.3 1.0 OD2 B:ASP243 2.5 26.8 1.0 O B:GLY216 2.5 28.4 1.0 C B:PRO266 3.5 29.7 1.0 CG B:ASP243 3.5 26.6 1.0 C B:ASP212 3.5 30.2 1.0 C B:GLY216 3.6 29.5 1.0 O B:HOH699 3.8 22.4 1.0 CA B:GLY267 3.9 26.6 1.0 N B:GLY267 4.1 26.7 1.0 CB B:ASP243 4.2 24.2 1.0 CA B:ASN213 4.3 38.7 1.0 N B:ALA217 4.4 26.9 1.0 N B:ASN213 4.4 36.4 1.0 OD1 B:ASP243 4.4 25.8 1.0 CA B:ALA217 4.5 26.3 1.0 CA B:ASP212 4.5 28.2 1.0 N B:GLY216 4.5 31.9 1.0 CA B:GLY216 4.5 29.8 1.0 N B:ASP212 4.6 25.4 1.0 CB B:ASP212 4.6 27.2 1.0 CA B:PRO266 4.6 31.0 1.0 C B:ASN213 4.8 42.1 1.0 O B:SER245 4.9 31.2 1.0 OG B:SER262 4.9 43.1 1.0

X.Sun, Q.Li, Y.Wu, M.Wang, Y.Liu, J.Qi, C.J.Vavricka, G.F.Gao. Structure of Influenza Virus N7: the Last Piece of the Neuraminidase "Jigsaw" Puzzle J.Virol. 2014.
ISSN: ESSN 1098-5514
PubMed: 24899180
DOI: 10.1128/JVI.00805-14