Magnesium in PDB 1occ: Structure of Bovine Heart Cytochrome C Oxidase at the Fully Oxidized State

All present enzymatic activity of Structure of Bovine Heart Cytochrome C Oxidase at the Fully Oxidized State:
1.9.3.1;

The structure of Structure of Bovine Heart Cytochrome C Oxidase at the Fully Oxidized State, PDB code: 1occ was solved by T.Tsukihara, H.Aoyama, E.Yamashita, T.Tomizaki, H.Yamaguchi, K.Shinzawa-Itoh, R.Nakashima, R.Yaono, S.Yoshikawa, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 2.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	189.100, 210.500, 178.600, 90.00, 90.00, 90.00
R / Rfree (%)	20.1 / 25.2

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

Iron	(Fe)	4 atoms
Copper	(Cu)	6 atoms
Zinc	(Zn)	2 atoms

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

Magnesium binding site 1 out of 2 in the Structure of Bovine Heart Cytochrome C Oxidase at the Fully Oxidized State


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of Bovine Heart Cytochrome C Oxidase at the Fully Oxidized State within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg518 b:12.0 occ:1.00 OE1 B:GLU198 2.5 31.5 1.0 OD2 A:ASP369 2.5 16.9 1.0 NE2 A:HIS368 2.7 21.7 1.0 CE1 A:HIS368 2.7 14.5 1.0 OE2 B:GLU198 3.2 26.3 1.0 CD B:GLU198 3.2 28.6 1.0 CG A:ASP369 3.7 17.2 1.0 CD2 A:HIS368 4.0 23.7 1.0 ND1 A:HIS368 4.1 7.0 1.0 OD2 B:ASP173 4.1 31.5 1.0 OD1 A:ASP369 4.5 23.2 1.0 CB A:ASP369 4.6 7.0 1.0 CG B:GLU198 4.6 18.3 1.0 O B:SER197 4.7 18.9 1.0 CG A:HIS368 4.7 10.3 1.0 CE2 A:TYR129 4.8 7.0 1.0 OD1 B:ASP173 4.9 22.4 1.0 CG B:ASP173 4.9 23.3 1.0

Magnesium binding site 2 out of 2 in the Structure of Bovine Heart Cytochrome C Oxidase at the Fully Oxidized State


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Structure of Bovine Heart Cytochrome C Oxidase at the Fully Oxidized State within 5.0Å range: probe atom residue distance (Å) B Occ N:Mg518 b:12.0 occ:1.00 OE1 O:GLU198 2.5 31.5 1.0 OD2 N:ASP369 2.5 16.9 1.0 NE2 N:HIS368 2.7 21.7 1.0 CE1 N:HIS368 2.7 14.5 1.0 OE2 O:GLU198 3.2 26.3 1.0 CD O:GLU198 3.2 28.6 1.0 CG N:ASP369 3.7 17.2 1.0 CD2 N:HIS368 4.0 23.7 1.0 ND1 N:HIS368 4.1 7.0 1.0 OD2 O:ASP173 4.1 31.5 1.0 OD1 N:ASP369 4.5 23.2 1.0 CB N:ASP369 4.6 7.0 1.0 CG O:GLU198 4.6 18.3 1.0 O O:SER197 4.7 18.9 1.0 CG N:HIS368 4.7 10.3 1.0 CE2 N:TYR129 4.8 7.0 1.0 OD1 O:ASP173 4.9 22.4 1.0 CG O:ASP173 4.9 23.3 1.0

T.Tsukihara, H.Aoyama, E.Yamashita, T.Tomizaki, H.Yamaguchi, K.Shinzawa-Itoh, R.Nakashima, R.Yaono, S.Yoshikawa. The Whole Structure of the 13-Subunit Oxidized Cytochrome C Oxidase at 2.8 A. Science V. 272 1136 1996.
ISSN: ISSN 0036-8075
PubMed: 8638158