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Calcium in PDB 1nn2: Three-Dimensional Structure of the Neuraminidase of Influenza Virus A(Slash)Tokyo(Slash)3(Slash)67 at 2.2 Angstroms Resolution

Enzymatic activity of Three-Dimensional Structure of the Neuraminidase of Influenza Virus A(Slash)Tokyo(Slash)3(Slash)67 at 2.2 Angstroms Resolution

All present enzymatic activity of Three-Dimensional Structure of the Neuraminidase of Influenza Virus A(Slash)Tokyo(Slash)3(Slash)67 at 2.2 Angstroms Resolution:
3.2.1.18;

Protein crystallography data

The structure of Three-Dimensional Structure of the Neuraminidase of Influenza Virus A(Slash)Tokyo(Slash)3(Slash)67 at 2.2 Angstroms Resolution, PDB code: 1nn2 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 / 2.20
Space group I 4 2 2
Cell size a, b, c (Å), α, β, γ (°) 139.600, 139.600, 191.000, 90.00, 90.00, 90.00
R / Rfree (%) 21 / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the Three-Dimensional Structure of the Neuraminidase of Influenza Virus A(Slash)Tokyo(Slash)3(Slash)67 at 2.2 Angstroms Resolution (pdb code 1nn2). 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 Three-Dimensional Structure of the Neuraminidase of Influenza Virus A(Slash)Tokyo(Slash)3(Slash)67 at 2.2 Angstroms Resolution, PDB code: 1nn2:

Calcium binding site 1 out of 1 in 1nn2

Go back to Calcium Binding Sites List in 1nn2
Calcium binding site 1 out of 1 in the Three-Dimensional Structure of the Neuraminidase of Influenza Virus A(Slash)Tokyo(Slash)3(Slash)67 at 2.2 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Three-Dimensional Structure of the Neuraminidase of Influenza Virus A(Slash)Tokyo(Slash)3(Slash)67 at 2.2 Angstroms Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca1

b:45.6
occ:1.00
 O A:GLY297 1.7 32.5 1.0
O A:GLY345 1.7 41.8 1.0
O A:GLN347 1.8 40.3 1.0
O A:ASP293 2.1 22.1 1.0
C A:GLY345 2.9 39.6 1.0
C A:GLY297 2.9 31.3 1.0
C A:GLN347 3.1 39.8 1.0
OD2 A:ASP324 3.4 27.5 1.0
C A:ASP293 3.4 23.4 1.0
H A:GLY297 3.6 0.0 1.0
CG A:ASP324 3.8 27.7 1.0
CA A:GLY345 3.9 38.5 1.0
N A:GLN347 3.9 42.8 1.0
C A:THR346 3.9 42.6 1.0
N A:THR346 3.9 40.7 1.0
CA A:GLY297 4.0 32.1 1.0
N A:SER298 4.0 29.6 1.0
N A:GLY348 4.0 36.5 1.0
N A:GLY297 4.1 32.9 1.0
O A:THR346 4.1 44.0 1.0
O A:ARG344 4.2 37.5 1.0
H A:GLN347 4.2 0.0 1.0
CA A:ASN294 4.2 25.7 1.0
CA A:GLN347 4.2 42.3 1.0
OD1 A:ASP324 4.2 26.4 1.0
CA A:GLY348 4.2 32.1 1.0
N A:ASN294 4.2 24.5 1.0
CA A:THR346 4.3 41.8 1.0
CB A:ASP324 4.5 26.7 1.0
CA A:SER298 4.5 27.0 1.0
C A:ASN294 4.5 25.1 1.0
H A:ASP293 4.6 0.0 1.0
CA A:ASP293 4.6 21.9 1.0
OD1 A:ASP293 4.8 22.2 1.0
O A:ASN294 4.8 22.7 1.0
H A:THR346 4.8 0.0 1.0
O A:PRO326 4.8 26.9 1.0
H A:SER298 4.8 0.0 1.0
N A:GLY345 4.9 37.0 1.0
CB A:ASP293 4.9 22.3 1.0
N A:ASP293 4.9 23.1 1.0
OG A:SER298 4.9 31.2 1.0
C A:ARG344 4.9 36.5 1.0
H A:GLY348 5.0 0.0 1.0
N A:TRP295 5.0 26.9 1.0

Reference:

J.N.Varghese, P.M.Colman. Three-Dimensional Structure of the Neuraminidase of Influenza Virus A/Tokyo/3/67 at 2.2 A Resolution. J.Mol.Biol. V. 221 473 1991.
ISSN: ISSN 0022-2836
PubMed: 1920428
DOI: 10.1016/0022-2836(91)80068-6
Page generated: Mon Jul 7 17:37:19 2025

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