Calcium in PDB 1rz5: Di-Haem Cytochrome C Peroxidase, Form Out

All present enzymatic activity of Di-Haem Cytochrome C Peroxidase, Form Out:
1.11.1.5;

The structure of Di-Haem Cytochrome C Peroxidase, Form Out, PDB code: 1rz5 was solved by J.M.Dias, T.Alves, C.Bonifacio, A.S.Pereira, D.Bourgeois, I.Moura, M.J.Romao, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.40
Space group	P 64 2 2
Cell size a, b, c (Å), α, β, γ (°)	150.553, 150.553, 155.349, 90.00, 90.00, 120.00
R / Rfree (%)	18.6 / 20.9

The structure of Di-Haem Cytochrome C Peroxidase, Form Out also contains other interesting chemical elements:

Iron

(Fe)

2 atoms

The binding sites of Calcium atom in the Di-Haem Cytochrome C Peroxidase, Form Out (pdb code 1rz5). 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 Di-Haem Cytochrome C Peroxidase, Form Out, PDB code: 1rz5:

Calcium binding site 1 out of 1 in the Di-Haem Cytochrome C Peroxidase, Form Out


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Di-Haem Cytochrome C Peroxidase, Form Out within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca403 b:29.9 occ:1.00 O A:THR256 2.3 34.3 1.0 O A:HOH502 2.3 21.9 1.0 O A:HOH503 2.3 28.5 1.0 OD1 A:ASN79 2.4 27.8 1.0 O A:HOH505 2.4 23.8 1.0 O A:PRO258 2.4 33.1 1.0 O A:HOH504 2.5 24.4 1.0 CG A:ASN79 3.4 29.5 1.0 C A:THR256 3.5 34.6 1.0 C A:PRO258 3.6 32.5 1.0 ND2 A:ASN79 3.8 26.6 1.0 C A:ALA257 4.2 33.0 1.0 CB A:THR256 4.2 35.5 1.0 N A:PRO258 4.2 32.5 1.0 OD2 A:ASP62 4.3 38.0 1.0 OG1 A:THR256 4.3 33.6 1.0 O A:ALA257 4.4 34.8 1.0 N A:ALA257 4.4 32.9 1.0 O2A A:HEM402 4.4 32.7 1.0 CA A:ALA257 4.4 33.1 1.0 O A:HOH660 4.4 45.0 1.0 CA A:TYR259 4.4 31.0 1.0 CA A:THR256 4.4 35.3 1.0 O A:SER80 4.5 26.7 1.0 N A:TYR259 4.5 32.2 1.0 O A:HOH548 4.6 27.8 1.0 CA A:PRO258 4.6 31.7 1.0 O A:HOH659 4.6 43.7 1.0 O1A A:HEM402 4.6 38.5 1.0 CD2 A:TYR259 4.6 35.6 1.0 CB A:ASN79 4.7 30.1 1.0 CGA A:HEM402 5.0 33.9 1.0 CD A:PRO258 5.0 32.0 1.0

J.M.Dias, T.Alves, C.Bonifacio, A.S.Pereira, J.Trincao, D.Bourgeois, I.Moura, M.J.Romao. Structural Basis For the Mechanism of Ca(2+) Activation of the Di-Heme Cytochrome C Peroxidase From Pseudomonas Nautica 617. Structure V. 12 961 2004.
ISSN: ISSN 0969-2126
PubMed: 15274917
DOI: 10.1016/J.STR.2004.03.025