Calcium in PDB 6ke4: Abloop Reengineered Ferritin Nanocage

All present enzymatic activity of Abloop Reengineered Ferritin Nanocage:
1.16.3.1;

The structure of Abloop Reengineered Ferritin Nanocage, PDB code: 6ke4 was solved by W.M.Wang, H.F.Wang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.44 / 2.30
Space group	F 4 3 2
Cell size a, b, c (Å), α, β, γ (°)	182.642, 182.642, 182.642, 90.00, 90.00, 90.00
R / Rfree (%)	19 / 23.6

The structure of Abloop Reengineered Ferritin Nanocage also contains other interesting chemical elements:

Magnesium	(Mg)	3 atoms
Iron	(Fe)	2 atoms
Chlorine	(Cl)	2 atoms

The binding sites of Calcium atom in the Abloop Reengineered Ferritin Nanocage (pdb code 6ke4). 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 Abloop Reengineered Ferritin Nanocage, PDB code: 6ke4:

Calcium binding site 1 out of 1 in the Abloop Reengineered Ferritin Nanocage


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Abloop Reengineered Ferritin Nanocage within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca208 b:64.2 occ:1.00 O A:HOH345 2.2 44.2 1.0 OD2 A:ASP129 2.6 22.0 1.0 CG A:ASP129 3.6 24.3 1.0 CB A:ASP129 3.7 18.8 1.0 CA A:ASP129 4.0 15.9 1.0 OE1 A:GLU132 4.2 24.6 1.0 OG1 A:THR133 4.4 21.2 1.0 OD1 A:ASP129 4.7 23.4 1.0 O A:ASP129 4.8 19.1 1.0 O A:HOH326 4.8 17.2 1.0 C A:ASP129 4.9 16.4 1.0 CD A:GLU132 5.0 17.9 1.0

W.Wang, L.Wang, G.Li, G.Zhao, X.Zhao, H.Wang. Ab Loop Engineered Ferritin Nanocages For Drug Loading Under Benign Experimental Conditions. Chem.Commun.(Camb.) V. 55 12344 2019.
ISSN: ESSN 1364-548X
PubMed: 31556881
DOI: 10.1039/C9CC05247J