Calcium in PDB 7nn9: Native Influenza Virus Neuraminidase Subtype N9 (Tern)

All present enzymatic activity of Native Influenza Virus Neuraminidase Subtype N9 (Tern):
3.2.1.18;

The structure of Native Influenza Virus Neuraminidase Subtype N9 (Tern), PDB code: 7nn9 was solved by J.N.Varghese, P.M.Colman, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	6.00 / 2.00
Space group	I 4 3 2
Cell size a, b, c (Å), α, β, γ (°)	182.800, 182.800, 182.800, 90.00, 90.00, 90.00
R / Rfree (%)	15.2 / n/a

The binding sites of Calcium atom in the Native Influenza Virus Neuraminidase Subtype N9 (Tern) (pdb code 7nn9). 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 Native Influenza Virus Neuraminidase Subtype N9 (Tern), PDB code: 7nn9:

Calcium binding site 1 out of 1 in the Native Influenza Virus Neuraminidase Subtype N9 (Tern)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Native Influenza Virus Neuraminidase Subtype N9 (Tern) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca600 b:23.1 occ:1.00 O A:HOH692 2.4 28.6 1.0 O A:ASP293 2.4 20.2 1.0 O A:GLY297 2.4 25.8 1.0 O A:HOH608 2.7 17.2 1.0 OD2 A:ASP324 2.7 15.9 1.0 O A:ASN347 2.7 25.4 1.0 CG A:ASP324 3.6 15.1 1.0 C A:ASP293 3.6 19.2 1.0 C A:GLY297 3.6 25.8 1.0 C A:ASN347 3.9 25.3 1.0 O A:HOH607 4.0 11.2 1.0 CA A:ASN294 4.1 22.1 1.0 O A:ASN294 4.1 24.2 1.0 CA A:GLY348 4.2 20.1 1.0 C A:ASN294 4.2 23.9 1.0 CB A:ASP324 4.3 14.3 1.0 OD1 A:ASP324 4.3 13.7 1.0 N A:ASN294 4.3 20.4 1.0 N A:GLY297 4.4 27.7 1.0 N A:SER298 4.5 25.1 1.0 CA A:GLY297 4.5 26.3 1.0 N A:GLY348 4.6 22.8 1.0 CA A:SER298 4.6 24.6 1.0 CA A:ASP293 4.7 19.0 1.0 N A:ASP293 4.8 18.2 1.0 CB A:ASP293 4.8 19.1 1.0 C A:GLN296 4.9 29.0 1.0 N A:ASN347 4.9 27.6 1.0 N A:TRP295 5.0 25.3 1.0 O A:ASN344 5.0 35.6 1.0

J.N.Varghese, V.C.Epa, P.M.Colman. Three-Dimensional Structure of the Complex of 4-Guanidino-NEU5AC2EN and Influenza Virus Neuraminidase. Protein Sci. V. 4 1081 1995.
ISSN: ISSN 0961-8368
PubMed: 7549872