Calcium in PDB 1hch: Structure of Horseradish Peroxidase C1A Compound I

All present enzymatic activity of Structure of Horseradish Peroxidase C1A Compound I:
1.11.1.7;

The structure of Structure of Horseradish Peroxidase C1A Compound I, PDB code: 1hch was solved by G.I.Berglund, G.H.Carlsson, J.Hajdu, A.T.Smith, H.Szoke, A.Henriksen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.78 / 1.57
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	40.282, 67.464, 117.106, 90.00, 90.00, 90.00
R / Rfree (%)	17.9 / 20.3

The structure of Structure of Horseradish Peroxidase C1A Compound I also contains other interesting chemical elements:

Iron

(Fe)

1 atom

The binding sites of Calcium atom in the Structure of Horseradish Peroxidase C1A Compound I (pdb code 1hch). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Structure of Horseradish Peroxidase C1A Compound I, PDB code: 1hch:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Structure of Horseradish Peroxidase C1A Compound I


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Horseradish Peroxidase C1A Compound I within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca401 b:5.4 occ:1.00 O A:ASP43 2.3 7.0 1.0 O A:VAL46 2.3 6.1 1.0 OD1 A:ASP50 2.4 6.7 1.0 OD1 A:ASP43 2.4 6.9 1.0 OG A:SER52 2.5 4.8 1.0 O A:HOH2126 2.5 4.8 1.0 O A:GLY48 2.5 5.8 1.0 C A:ASP43 3.2 5.7 1.0 C A:VAL46 3.5 4.9 1.0 CG A:ASP50 3.5 8.4 1.0 CG A:ASP43 3.5 6.8 1.0 CB A:SER52 3.6 6.4 1.0 CA A:ASP43 3.7 5.7 1.0 C A:GLY48 3.7 5.0 1.0 N A:SER52 3.9 7.4 1.0 N A:ASP50 3.9 5.8 1.0 OD2 A:ASP50 4.0 6.7 1.0 CB A:VAL46 4.2 4.0 1.0 CA A:VAL46 4.2 5.9 1.0 CB A:ASP43 4.2 6.6 1.0 N A:GLY48 4.3 5.3 1.0 CA A:SER52 4.3 6.7 1.0 N A:VAL46 4.3 5.5 1.0 N A:CYS44 4.4 5.1 1.0 C A:ASN47 4.4 7.1 1.0 OD2 A:ASP43 4.5 6.9 1.0 N A:ILE53 4.5 6.1 1.0 N A:ASN47 4.5 6.4 1.0 N A:ALA51 4.6 6.8 1.0 CA A:GLY48 4.6 5.3 1.0 CA A:CYS49 4.6 5.5 1.0 N A:CYS49 4.6 5.0 1.0 CB A:ASP50 4.6 6.9 1.0 OE1 A:GLU64 4.7 5.3 1.0 CA A:ASP50 4.7 6.9 1.0 CB A:ASN47 4.7 7.8 1.0 OE2 A:GLU64 4.7 7.0 1.0 CA A:ASN47 4.8 7.5 1.0 O A:HIS42 4.8 6.3 1.0 C A:ASP50 4.8 7.1 1.0 CA A:CYS44 4.8 5.0 1.0 C A:CYS49 4.8 6.2 1.0 C A:SER52 4.8 7.1 1.0 O A:ASN47 4.8 7.8 1.0 CG1 A:VAL46 5.0 6.4 1.0 C A:ALA51 5.0 6.9 1.0

Calcium binding site 2 out of 2 in the Structure of Horseradish Peroxidase C1A Compound I


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Structure of Horseradish Peroxidase C1A Compound I within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca402 b:8.1 occ:1.00 O A:THR171 2.3 7.3 1.0 OD2 A:ASP222 2.3 9.2 1.0 OG1 A:THR225 2.3 8.2 1.0 O A:ILE228 2.4 8.6 1.0 O A:THR225 2.5 9.2 1.0 OD1 A:ASP230 2.5 9.5 1.0 OG1 A:THR171 2.5 7.4 1.0 C A:THR171 3.3 8.5 1.0 CG A:ASP222 3.4 7.6 1.0 CG A:ASP230 3.4 8.8 1.0 C A:THR225 3.5 8.1 1.0 CB A:THR225 3.5 7.3 1.0 C A:ILE228 3.6 8.3 1.0 CB A:THR171 3.7 5.8 1.0 OD2 A:ASP230 3.8 9.5 1.0 CA A:THR171 3.8 6.6 1.0 CB A:ASP222 3.9 7.0 1.0 CA A:THR225 4.0 7.6 1.0 N A:ASP230 4.1 10.2 1.0 CG2 A:THR171 4.3 5.9 1.0 N A:THR225 4.3 7.8 1.0 N A:ILE228 4.3 9.5 1.0 CA A:ILE228 4.3 8.7 1.0 OD1 A:ASP222 4.4 7.7 1.0 CB A:LYS232 4.5 11.0 1.0 N A:PHE172 4.5 8.1 1.0 CB A:ILE228 4.5 10.7 1.0 O A:ASP230 4.6 9.6 1.0 N A:PHE229 4.6 7.8 1.0 N A:PRO226 4.7 9.1 1.0 CB A:ASP230 4.7 9.6 1.0 CG2 A:THR225 4.7 8.2 1.0 CA A:PHE229 4.7 8.0 1.0 CA A:ASP230 4.8 9.8 1.0 CG A:LYS232 4.8 15.3 1.0 C A:PHE229 4.9 9.6 1.0 C A:ASP230 4.9 9.6 1.0 CA A:PHE172 4.9 7.1 1.0 CB A:PHE172 5.0 8.2 1.0

G.I.Berglund, G.H.Carlsson, A.T.Smith, H.Szoke, A.Henriksen, J.Hajdu. The Catalytic Pathway of Horseradish Peroxidase at High Resolution Nature V. 417 463 2002.
ISSN: ISSN 0028-0836
PubMed: 12024218
DOI: 10.1038/417463A