Calcium in PDB 8xr6: Cryo-Em Structure of Cryptophyte Photosystem II

All present enzymatic activity of Cryo-Em Structure of Cryptophyte Photosystem II:
1.10.3.9;

The structure of Cryo-Em Structure of Cryptophyte Photosystem II also contains other interesting chemical elements:

Chlorine	(Cl)	2 atoms
Iron	(Fe)	6 atoms
Manganese	(Mn)	8 atoms
Magnesium	(Mg)	224 atoms

The binding sites of Calcium atom in the Cryo-Em Structure of Cryptophyte Photosystem II (pdb code 8xr6). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Cryo-Em Structure of Cryptophyte Photosystem II, PDB code: 8xr6:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Cryo-Em Structure of Cryptophyte Photosystem II


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Cryo-Em Structure of Cryptophyte Photosystem II within 5.0Å range: probe atom residue distance (Å) B Occ a:Ca401 b:45.9 occ:1.00 CA1 a:OEX401 0.0 45.9 1.0 O1 a:OEX401 2.3 45.9 1.0 O5 a:OEX401 2.3 45.9 1.0 O2 a:OEX401 3.0 45.9 1.0 OD1 a:ASP170 3.2 24.5 1.0 OE1 a:GLU189 3.2 24.6 1.0 OD2 a:ASP170 3.2 24.5 1.0 CG a:ASP170 3.4 24.5 1.0 MN1 a:OEX401 3.5 45.9 1.0 MN2 a:OEX401 3.5 45.9 1.0 OE2 a:GLU189 3.6 24.6 1.0 MN3 a:OEX401 3.6 45.9 1.0 MN4 a:OEX401 3.7 45.9 1.0 O3 a:OEX401 3.7 45.9 1.0 O a:ALA344 3.7 34.5 1.0 CD a:GLU189 3.8 24.6 1.0 O a:HOH512 3.9 30.0 1.0 OE1 a:GLN165 4.0 22.7 1.0 O4 a:OEX401 4.3 45.9 1.0 C a:ALA344 4.4 34.5 1.0 NH1 c:ARG357 4.4 29.9 1.0 OH a:TYR161 4.4 21.1 1.0 O a:HOH511 4.6 30.0 1.0 O a:HOH516 4.6 30.0 1.0 NH2 c:ARG357 4.7 29.9 1.0 CG a:GLN165 4.7 22.7 1.0 CB a:ASP170 4.7 24.5 1.0 CD a:GLN165 4.8 22.7 1.0 CB a:GLN165 4.9 22.7 1.0 CZ c:ARG357 5.0 29.9 1.0

Calcium binding site 2 out of 2 in the Cryo-Em Structure of Cryptophyte Photosystem II


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Cryo-Em Structure of Cryptophyte Photosystem II within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca401 b:45.9 occ:1.00 CA1 A:OEX401 0.0 45.9 1.0 O1 A:OEX401 2.3 45.9 1.0 O5 A:OEX401 2.3 45.9 1.0 O2 A:OEX401 3.0 45.9 1.0 OD1 A:ASP170 3.2 24.5 1.0 OE1 A:GLU189 3.2 24.6 1.0 OD2 A:ASP170 3.2 24.5 1.0 CG A:ASP170 3.4 24.5 1.0 MN1 A:OEX401 3.5 45.9 1.0 MN2 A:OEX401 3.5 45.9 1.0 OE2 A:GLU189 3.6 24.6 1.0 MN3 A:OEX401 3.6 45.9 1.0 MN4 A:OEX401 3.7 45.9 1.0 O3 A:OEX401 3.7 45.9 1.0 O A:ALA344 3.7 34.5 1.0 CD A:GLU189 3.8 24.6 1.0 O A:HOH512 3.9 30.0 1.0 OE1 A:GLN165 4.0 22.7 1.0 O4 A:OEX401 4.3 45.9 1.0 C A:ALA344 4.4 34.5 1.0 NH1 C:ARG357 4.4 29.9 1.0 OH A:TYR161 4.4 21.1 1.0 O A:HOH511 4.6 30.0 1.0 O A:HOH516 4.6 30.0 1.0 NH2 C:ARG357 4.7 29.9 1.0 CG A:GLN165 4.7 22.7 1.0 CB A:ASP170 4.7 24.5 1.0 CD A:GLN165 4.8 22.7 1.0 CB A:GLN165 4.9 22.7 1.0 CZ C:ARG357 5.0 29.9 1.0

K.Li, L.S.Zhao, Y.Z.Zhang, L.N.Liu. Cryo-Em Structure of Cryptophyte Photosystem II To Be Published.