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Calcium in PDB 2htv: N4 Neuraminidase

Protein crystallography data

The structure of N4 Neuraminidase, PDB code: 2htv 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 / 2.80
Space group P 4 3 2
Cell size a, b, c (Å), α, β, γ (°) 193.790, 193.790, 193.790, 90.00, 90.00, 90.00
R / Rfree (%) 22.2 / 27.3

Calcium Binding Sites:

The binding sites of Calcium atom in the N4 Neuraminidase (pdb code 2htv). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the N4 Neuraminidase, PDB code: 2htv:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 2htv

Go back to Calcium Binding Sites List in 2htv
Calcium binding site 1 out of 2 in the N4 Neuraminidase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of N4 Neuraminidase within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca995

b:19.7
occ:1.00
O A:TYR347 2.2 32.0 1.0
O A:GLY297 2.5 18.3 1.0
O A:ASP293 2.6 18.2 1.0
OD1 A:ASP324 2.7 26.8 1.0
O A:GLY345 2.8 36.4 1.0
O A:ARG346 3.1 40.1 1.0
C A:TYR347 3.4 31.1 1.0
C A:GLY297 3.5 17.9 1.0
C A:GLY345 3.6 37.1 1.0
CG A:ASP324 3.8 26.8 1.0
C A:ASP293 3.8 18.8 1.0
C A:ARG346 3.8 37.2 1.0
CA A:GLY348 4.0 24.9 1.0
O A:HOH1172 4.1 19.3 1.0
N A:GLY297 4.2 20.1 1.0
CA A:GLY345 4.2 36.2 1.0
N A:GLY348 4.2 27.7 1.0
N A:SER298 4.3 16.9 1.0
CA A:SER298 4.4 15.2 1.0
CA A:GLY297 4.4 18.3 1.0
N A:TYR347 4.4 34.9 1.0
N A:ARG346 4.4 37.7 1.0
CA A:TYR347 4.4 32.9 1.0
CA A:ASN294 4.5 18.4 1.0
CB A:ASP324 4.5 25.4 1.0
O A:LYS344 4.6 35.5 1.0
N A:ASN294 4.6 18.0 1.0
OD2 A:ASP324 4.6 28.8 1.0
CA A:ARG346 4.7 37.5 1.0
O A:PRO326 4.7 22.5 1.0
CA A:ASP293 4.8 18.9 1.0
C A:ASN294 4.9 18.9 1.0
CB A:ASP293 4.9 19.3 1.0

Calcium binding site 2 out of 2 in 2htv

Go back to Calcium Binding Sites List in 2htv
Calcium binding site 2 out of 2 in the N4 Neuraminidase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of N4 Neuraminidase within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca993

b:26.4
occ:1.00
O B:TYR347 2.3 36.3 1.0
O B:GLY297 2.3 22.6 1.0
O B:GLY345 2.3 37.0 1.0
O B:ASP293 2.4 22.8 1.0
OD1 B:ASP324 2.5 26.6 1.0
O B:ARG346 2.9 44.7 1.0
C B:GLY297 3.4 22.5 1.0
C B:TYR347 3.4 35.5 1.0
C B:GLY345 3.5 38.5 1.0
C B:ASP293 3.6 23.3 1.0
CG B:ASP324 3.7 26.3 1.0
O B:HOH1183 3.7 21.9 1.0
C B:ARG346 3.7 42.1 1.0
CA B:GLY348 4.1 30.9 1.0
N B:GLY297 4.1 23.5 1.0
CA B:ASN294 4.2 23.6 1.0
CA B:GLY297 4.3 22.5 1.0
N B:GLY348 4.3 33.4 1.0
N B:SER298 4.3 21.6 1.0
CA B:GLY345 4.3 38.8 1.0
N B:ASN294 4.3 23.0 1.0
N B:TYR347 4.4 39.6 1.0
OD2 B:ASP324 4.4 26.0 1.0
CA B:TYR347 4.4 37.7 1.0
CA B:SER298 4.4 20.4 1.0
N B:ARG346 4.5 39.9 1.0
CA B:ARG346 4.6 41.8 1.0
CA B:ASP293 4.6 23.5 1.0
CB B:ASP324 4.6 25.5 1.0
O B:LYS344 4.7 39.3 1.0
C B:ASN294 4.7 23.3 1.0
N B:ASP293 4.8 23.1 1.0
CB B:ASP293 4.8 25.2 1.0
O B:PRO326 4.8 24.4 1.0
OD2 B:ASP293 5.0 28.0 1.0

Reference:

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
Page generated: Tue Jul 8 06:04:16 2025

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