Calcium in PDB 6d3b: Influenza Virus Neuraminidase Subtype N9 (Tern) Apo Form

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

The structure of Influenza Virus Neuraminidase Subtype N9 (Tern) Apo Form, PDB code: 6d3b was solved by V.A.Streltsov, P.Schmidt, J.Mckimm-Breschkin, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.07 / 1.40
Space group	I 4 3 2
Cell size a, b, c (Å), α, β, γ (°)	180.994, 180.994, 180.994, 90.00, 90.00, 90.00
R / Rfree (%)	15.2 / 17

The binding sites of Calcium atom in the Influenza Virus Neuraminidase Subtype N9 (Tern) Apo Form (pdb code 6d3b). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Influenza Virus Neuraminidase Subtype N9 (Tern) Apo Form, PDB code: 6d3b:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Influenza Virus Neuraminidase Subtype N9 (Tern) Apo Form


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Influenza Virus Neuraminidase Subtype N9 (Tern) Apo Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca513 b:14.1 occ:1.00 O A:ASP293 2.6 13.2 1.0 O A:GLY297 2.6 15.3 1.0 O A:ASN347 2.7 12.7 1.0 OD2 A:ASP324 2.7 12.5 1.0 O A:HOH621 2.7 16.5 1.0 O A:HOH902 2.8 15.2 1.0 CG A:ASP324 3.5 12.1 1.0 C A:ASP293 3.7 12.4 1.0 C A:GLY297 3.7 14.2 1.0 C A:ASN347 3.8 12.0 1.0 O A:HOH1082 3.9 19.9 1.0 CA A:GLY348 4.0 10.9 1.0 CA A:ASN294 4.1 12.4 1.0 O A:HOH713 4.1 12.5 1.0 CB A:ASP324 4.2 11.3 1.0 O A:ASN294 4.2 13.4 1.0 C A:ASN294 4.2 13.0 1.0 N A:GLY297 4.3 16.3 1.0 OD1 A:ASP324 4.3 11.1 1.0 N A:ASN294 4.4 11.9 1.0 N A:GLY348 4.4 12.2 1.0 N A:SER298 4.6 11.7 1.0 CA A:GLY297 4.6 15.3 1.0 CA A:SER298 4.6 12.0 1.0 CA A:ASP293 4.8 11.9 1.0 N A:ASP293 4.8 11.0 1.0 OG A:SER298 4.8 13.4 1.0 N A:ASN347 4.9 12.2 1.0 C A:GLN296 5.0 17.2 1.0

Calcium binding site 2 out of 2 in the Influenza Virus Neuraminidase Subtype N9 (Tern) Apo Form


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Influenza Virus Neuraminidase Subtype N9 (Tern) Apo Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca514 b:28.8 occ:0.25 O A:HOH797 2.7 19.9 1.0 O A:HOH1240 2.8 39.5 1.0 O A:HOH926 3.6 13.6 1.0 O A:HOH1320 4.1 44.2 0.2 O A:HOH1109 4.2 35.9 0.2 OD2 A:ASP113 4.6 11.9 1.0 OD1 A:ASP113 4.7 12.9 1.0

V.A.Streltsov, P.M.Schmidt, J.L.Mckimm-Breschkin. Structure of An Influenza A Virus N9 Neuraminidase with A Tetrabrachion-Domain Stalk. Acta Crystallogr.,Sect.F V. 75 89 2019.
ISSN: ESSN 2053-230X
PubMed: 30713159
DOI: 10.1107/S2053230X18017892