Calcium in PDB 1qo4: Arabidopsis Thaliana Peroxidase A2 at Room Temperature

All present enzymatic activity of Arabidopsis Thaliana Peroxidase A2 at Room Temperature:
1.11.1.7;

The structure of Arabidopsis Thaliana Peroxidase A2 at Room Temperature, PDB code: 1qo4 was solved by A.Henriksen, M.Gajhede, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 3.00
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	46.290, 74.848, 80.794, 90.00, 90.00, 90.00
R / Rfree (%)	18.3 / 23.5

The structure of Arabidopsis Thaliana Peroxidase A2 at Room Temperature also contains other interesting chemical elements:

Iron

(Fe)

1 atom

The binding sites of Calcium atom in the Arabidopsis Thaliana Peroxidase A2 at Room Temperature (pdb code 1qo4). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Arabidopsis Thaliana Peroxidase A2 at Room Temperature, PDB code: 1qo4:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Arabidopsis Thaliana Peroxidase A2 at Room Temperature


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Arabidopsis Thaliana Peroxidase A2 at Room Temperature within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca375 b:15.0 occ:1.00 O A:ASP43 2.2 15.0 1.0 O A:VAL46 2.3 15.0 1.0 OD1 A:ASP43 2.6 15.0 1.0 OD1 A:ASP50 2.7 15.0 1.0 OG A:SER52 2.8 15.0 1.0 O A:GLY48 3.0 15.0 1.0 C A:ASP43 3.1 15.0 1.0 CA A:ASP43 3.4 15.0 1.0 C A:VAL46 3.4 15.0 1.0 CG A:ASP43 3.6 15.0 1.0 CG A:ASP50 3.9 15.0 1.0 CB A:VAL46 3.9 15.0 1.0 OE1 A:GLU64 4.0 15.0 1.0 CB A:SER52 4.0 15.0 1.0 CA A:VAL46 4.1 15.0 1.0 CB A:ASP43 4.1 15.0 1.0 N A:VAL46 4.2 15.0 1.0 C A:GLY48 4.2 15.0 1.0 N A:SER52 4.3 15.0 1.0 N A:ASP50 4.3 15.0 1.0 O A:HIS42 4.3 15.0 1.0 N A:CYS44 4.4 15.0 1.0 OE2 A:GLU64 4.4 15.0 1.0 OD2 A:ASP50 4.4 15.0 1.0 N A:ILE53 4.4 15.0 1.0 N A:ASN47 4.5 15.0 1.0 CG1 A:VAL46 4.6 15.0 1.0 CB A:ASN47 4.6 15.0 1.0 OD2 A:ASP43 4.6 15.0 1.0 C A:ASN47 4.6 15.0 1.0 CA A:SER52 4.6 15.0 1.0 CD A:GLU64 4.6 15.0 1.0 N A:ASP43 4.7 15.0 1.0 N A:GLY48 4.7 15.0 1.0 N A:ALA51 4.8 15.0 1.0 CA A:ASN47 4.8 15.0 1.0 O A:ASN47 4.8 15.0 1.0 C A:SER52 4.9 15.0 1.0 C A:HIS42 4.9 15.0 1.0 CA A:CYS44 5.0 15.0 1.0

Calcium binding site 2 out of 2 in the Arabidopsis Thaliana Peroxidase A2 at Room Temperature


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Arabidopsis Thaliana Peroxidase A2 at Room Temperature within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca376 b:15.0 occ:1.00 O A:THR170 2.2 15.0 1.0 OD2 A:ASP221 2.4 15.0 1.0 OD1 A:ASP229 2.4 15.0 1.0 O A:ALA227 2.5 15.0 1.0 OG1 A:THR224 2.5 15.0 1.0 O A:THR224 2.6 15.0 1.0 OG1 A:THR170 2.7 15.0 1.0 C A:THR170 3.3 15.0 1.0 CG A:ASP229 3.4 15.0 1.0 CG A:ASP221 3.5 15.0 1.0 C A:THR224 3.6 15.0 1.0 C A:ALA227 3.6 15.0 1.0 CB A:THR224 3.7 15.0 1.0 CB A:THR170 3.7 15.0 1.0 OD2 A:ASP229 3.8 15.0 1.0 CA A:THR170 3.8 15.0 1.0 CB A:ASP221 4.1 15.0 1.0 CA A:THR224 4.1 15.0 1.0 N A:ASP229 4.1 15.0 1.0 CG2 A:THR170 4.2 15.0 1.0 N A:THR224 4.3 15.0 1.0 N A:ALA227 4.3 15.0 1.0 N A:PHE171 4.4 15.0 1.0 CA A:ALA227 4.4 15.0 1.0 OD1 A:ASP221 4.5 15.0 1.0 CB A:ASN231 4.5 15.0 1.0 CB A:ALA227 4.5 15.0 1.0 N A:PHE228 4.6 15.0 1.0 N A:PRO225 4.7 15.0 1.0 CB A:ASP229 4.7 15.0 1.0 CA A:PHE171 4.8 15.0 1.0 CA A:PHE228 4.8 15.0 1.0 O A:ASP229 4.8 15.0 1.0 CA A:ASP229 4.8 15.0 1.0 CB A:PHE171 4.9 15.0 1.0 CG2 A:THR224 4.9 15.0 1.0 OD1 A:ASN231 4.9 15.0 1.0 CG A:ASN231 4.9 15.0 1.0 C A:PHE228 4.9 15.0 1.0

K.L.Nielsen, C.Indiani, A.Henriksen, A.Feis, M.Becucci, M.Gajhede, G.Smulevich, K.G.Welinder. Differential Activity and Structure of Highly Similar Peroxidases. Spectroscopic, Crystallographic, and Enzymatic Analyses of Lignifying Arabidopsis Thaliana Peroxidase A2 and Horseradish Peroxidase A2 Biochemistry V. 40 11013 2001.
ISSN: ISSN 0006-2960
PubMed: 11551197
DOI: 10.1021/BI010661O