Calcium in PDB 6tra: Cryo- Em Structure of the Thermosynechococcus Elongatus Photosystem I in the Presence of Cytochrome C6

All present enzymatic activity of Cryo- Em Structure of the Thermosynechococcus Elongatus Photosystem I in the Presence of Cytochrome C6:
1.97.1.12;

The structure of Cryo- Em Structure of the Thermosynechococcus Elongatus Photosystem I in the Presence of Cytochrome C6 also contains other interesting chemical elements:

Magnesium	(Mg)	97 atoms
Iron	(Fe)	12 atoms

The binding sites of Calcium atom in the Cryo- Em Structure of the Thermosynechococcus Elongatus Photosystem I in the Presence of Cytochrome C6 (pdb code 6tra). 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 the Thermosynechococcus Elongatus Photosystem I in the Presence of Cytochrome C6, PDB code: 6tra:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Cryo- Em Structure of the Thermosynechococcus Elongatus Photosystem I in the Presence of Cytochrome C6


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 the Thermosynechococcus Elongatus Photosystem I in the Presence of Cytochrome C6 within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca803 b:27.3 occ:1.00 CD2 B:HIS205 2.7 20.6 1.0 OE2 B:GLU200 2.7 18.6 1.0 NE2 B:HIS205 2.8 20.6 1.0 O B:GLY127 3.8 16.5 1.0 CD B:GLU200 3.9 18.6 1.0 CG B:HIS205 3.9 20.6 1.0 OD2 B:ASP133 4.0 18.4 1.0 O1D B:CLA815 4.0 16.2 1.0 CE1 B:HIS205 4.0 20.6 1.0 N B:GLY207 4.2 18.5 1.0 OD1 B:ASP133 4.4 18.4 1.0 CA B:GLY207 4.5 18.5 1.0 CED B:CLA815 4.5 16.2 1.0 CG B:GLU200 4.5 18.6 1.0 CG B:ASP133 4.5 18.4 1.0 ND1 B:HIS205 4.6 20.6 1.0 N B:VAL206 4.7 19.0 1.0 OBD B:CLA815 4.7 16.2 1.0 CGD B:CLA815 4.8 16.2 1.0 OE1 B:GLU200 4.9 18.6 1.0 CG1 B:VAL196 4.9 16.8 1.0 CB B:HIS205 4.9 20.6 1.0

Calcium binding site 2 out of 2 in the Cryo- Em Structure of the Thermosynechococcus Elongatus Photosystem I in the Presence of Cytochrome C6


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 the Thermosynechococcus Elongatus Photosystem I in the Presence of Cytochrome C6 within 5.0Å range: probe atom residue distance (Å) B Occ L:Ca203 b:27.8 occ:1.00 O L:PRO67 2.2 15.4 1.0 OD2 L:ASP70 3.2 18.4 1.0 C L:PRO67 3.4 15.4 1.0 CG L:ASP70 3.9 18.4 1.0 CB L:ASP70 4.0 18.4 1.0 CA L:PRO67 4.1 15.4 1.0 N L:LEU68 4.4 17.1 1.0 OD1 A:ASP473 4.5 14.9 1.0 N L:ASP70 4.6 18.4 1.0 CA L:LEU68 4.7 17.1 1.0 CB L:PRO67 4.8 15.4 1.0 CA L:ASP70 4.8 18.4 1.0 OD2 A:ASP473 4.9 14.9 1.0 NE2 A:GLN472 5.0 14.8 1.0 O L:GLY66 5.0 15.2 1.0

A.Koelsch, C.Radon, M.Golub, A.Baumert, J.Burger, T.Miehlke, F.Lisdat, A.Feoktystov, J.Pieper, A.Zouni, P.Wendler. Current Limits of Structural Biology: the Transient Interaction Between Cytochrome C6 and Photosystem I Curr.Opin.Struct.Biol. V. 2 171 2020.
ISSN: ISSN 0959-440X
DOI: 10.1016/J.CRSTBI.2020.08.003