Zinc in PDB 2eil: Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State

All present enzymatic activity of Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State:
1.9.3.1;

The structure of Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State, PDB code: 2eil was solved by K.Muramoto, K.Hirata, K.Shinzawa-Itoh, S.Yoko-O, E.Yamashita, H.Aoyama, T.Tsukihara, S.Yoshikawa, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.00 / 2.10
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	183.379, 205.898, 178.182, 90.00, 90.00, 90.00
R / Rfree (%)	19.9 / 23.1

The structure of Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State also contains other interesting chemical elements:

Magnesium	(Mg)	2 atoms
Cadmium	(Cd)	3 atoms
Iron	(Fe)	4 atoms
Copper	(Cu)	6 atoms
Sodium	(Na)	2 atoms

The binding sites of Zinc atom in the Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State (pdb code 2eil). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State, PDB code: 2eil:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State within 5.0Å range: probe atom residue distance (Å) B Occ F:Zn99 b:27.5 occ:1.00 SG F:CYS82 2.2 27.3 1.0 SG F:CYS62 2.2 30.1 1.0 SG F:CYS60 2.2 28.0 1.0 SG F:CYS85 2.3 31.2 1.0 CB F:CYS82 3.2 32.3 1.0 CB F:CYS60 3.3 23.8 1.0 CB F:CYS62 3.4 25.0 1.0 CB F:CYS85 3.5 28.6 1.0 CA F:CYS62 3.6 32.3 1.0 N F:CYS85 3.7 33.5 1.0 N F:CYS62 3.9 31.7 1.0 CA F:CYS85 4.1 33.6 1.0 O F:CYS60 4.3 25.9 1.0 C F:CYS60 4.4 24.8 1.0 CB F:SER84 4.5 30.3 1.0 CA F:CYS60 4.5 23.2 1.0 O F:HOH2339 4.5 50.0 1.0 OG F:SER84 4.6 30.7 1.0 CA F:CYS82 4.7 28.4 1.0 C F:SER84 4.7 31.6 1.0 CG1 F:ILE70 4.8 23.1 1.0 C F:ILE61 4.8 31.2 1.0 C F:CYS85 4.8 36.3 1.0 OG1 F:THR87 4.9 38.9 1.0 C F:CYS62 4.9 36.0 1.0 CB F:ILE70 4.9 26.6 1.0 N F:GLY86 5.0 38.3 1.0 CA F:SER84 5.0 30.7 1.0

Zinc binding site 2 out of 2 in the Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Cadmium Ion Binding Structure of Bovine Heart Cytochrome C Oxidase in the Fully Oxidized State within 5.0Å range: probe atom residue distance (Å) B Occ S:Zn99 b:31.6 occ:1.00 SG S:CYS82 2.2 31.1 1.0 SG S:CYS60 2.2 31.7 1.0 SG S:CYS85 2.3 38.7 1.0 SG S:CYS62 2.3 36.5 1.0 CB S:CYS82 3.0 30.6 1.0 CB S:CYS60 3.2 28.0 1.0 CB S:CYS85 3.4 31.8 1.0 CB S:CYS62 3.5 33.4 1.0 N S:CYS85 3.7 31.6 1.0 CA S:CYS62 3.8 35.0 1.0 N S:CYS62 4.0 37.5 1.0 CA S:CYS85 4.1 32.7 1.0 O S:CYS60 4.3 32.3 1.0 C S:CYS60 4.4 30.5 1.0 CA S:CYS60 4.4 31.2 1.0 OG1 S:THR87 4.5 41.4 1.0 CA S:CYS82 4.5 31.2 1.0 CB S:SER84 4.5 33.1 1.0 O S:HOH3339 4.6 67.3 1.0 C S:SER84 4.7 32.2 1.0 CG1 S:ILE70 4.8 21.9 1.0 CB S:ILE70 4.8 27.3 1.0 C S:CYS85 4.8 34.4 1.0 N S:GLY86 4.9 37.5 1.0 OG S:SER84 4.9 41.9 1.0 CA S:SER84 4.9 32.3 1.0 N S:SER84 4.9 33.4 1.0 C S:CYS82 5.0 29.4 1.0 C S:ILE61 5.0 37.4 1.0

K.Muramoto, K.Hirata, K.Shinzawa-Itoh, S.Yoko-O, E.Yamashita, H.Aoyama, T.Tsukihara, S.Yoshikawa. A Histidine Residue Acting As A Controlling Site For Dioxygen Reduction and Proton Pumping By Cytochrome C Oxidase Proc.Natl.Acad.Sci.Usa V. 104 7881 2007.
ISSN: ISSN 0027-8424
PubMed: 17470809
DOI: 10.1073/PNAS.0610031104