Calcium in PDB 7atn: Cytochrome C Oxidase Structure in R-State

All present enzymatic activity of Cytochrome C Oxidase Structure in R-State:
7.1.1.9;

The structure of Cytochrome C Oxidase Structure in R-State also contains other interesting chemical elements:

Iron	(Fe)	2 atoms
Manganese	(Mn)	1 atom
Copper	(Cu)	3 atoms

The binding sites of Calcium atom in the Cytochrome C Oxidase Structure in R-State (pdb code 7atn). 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 Cytochrome C Oxidase Structure in R-State, PDB code: 7atn:

Calcium binding site 1 out of 1 in the Cytochrome C Oxidase Structure in R-State


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Cytochrome C Oxidase Structure in R-State within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca604 b:5.0 occ:1.00 O A:GLY61 2.2 7.7 1.0 OE1 A:GLU56 2.4 10.7 1.0 O A:HIS59 2.5 7.0 1.0 OE1 A:GLN63 2.5 9.2 1.0 O A:GLU56 2.5 10.7 1.0 O A:HOH705 3.0 7.9 1.0 CD A:GLN63 3.4 9.2 1.0 C A:GLY61 3.5 7.7 1.0 C A:HIS59 3.5 7.0 1.0 C A:GLU56 3.6 10.7 1.0 CD A:GLU56 3.6 10.7 1.0 NE2 A:GLN63 3.7 9.2 1.0 N A:HIS59 4.0 7.0 1.0 O A:PRO60 4.1 8.4 1.0 C A:PRO60 4.2 8.4 1.0 CA A:GLU56 4.2 10.7 1.0 CA A:VAL62 4.2 8.2 1.0 CA A:HIS59 4.2 7.0 1.0 N A:VAL62 4.3 8.2 1.0 N A:GLN63 4.3 9.2 1.0 CG A:GLU56 4.3 10.7 1.0 N A:GLY61 4.4 7.7 1.0 CA A:GLY61 4.5 7.7 1.0 N A:PRO60 4.5 8.4 1.0 OE2 A:GLU56 4.6 10.7 1.0 CB A:HIS59 4.6 7.0 1.0 OD1 A:ASP477 4.6 12.4 1.0 C A:VAL62 4.6 8.2 1.0 CA A:PRO60 4.7 8.4 1.0 N A:LEU57 4.7 6.6 1.0 CG A:GLN63 4.7 9.2 1.0 N A:GLN58 4.8 6.3 1.0 CB A:GLN63 4.8 9.2 1.0 CB A:GLU56 4.9 10.7 1.0 CA A:LEU57 4.9 6.6 1.0 O A:MET55 4.9 7.2 1.0 C A:LEU57 4.9 6.6 1.0

F.Kolbe, S.Safarian, H.Michel. Cytochrome C Oxidase Structure in R-State To Be Published.