Calcium in PDB 7blx: Photosystem I of A Temperature Sensitive Mutant Chlamydomonas Reinhardtii

All present enzymatic activity of Photosystem I of A Temperature Sensitive Mutant Chlamydomonas Reinhardtii:
1.97.1.12;

The structure of Photosystem I of A Temperature Sensitive Mutant Chlamydomonas Reinhardtii also contains other interesting chemical elements:

Iron	(Fe)	12 atoms
Magnesium	(Mg)	218 atoms

The binding sites of Calcium atom in the Photosystem I of A Temperature Sensitive Mutant Chlamydomonas Reinhardtii (pdb code 7blx). 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 Photosystem I of A Temperature Sensitive Mutant Chlamydomonas Reinhardtii, PDB code: 7blx:

Calcium binding site 1 out of 1 in the Photosystem I of A Temperature Sensitive Mutant Chlamydomonas Reinhardtii


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Photosystem I of A Temperature Sensitive Mutant Chlamydomonas Reinhardtii within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca6000 b:32.6 occ:1.00 CE1 B:HIS207 2.2 30.2 1.0 ND1 B:HIS207 2.2 30.2 1.0 OE2 B:GLU202 2.4 22.3 1.0 CED B:CLA1211 3.0 20.0 1.0 NE2 B:HIS207 3.5 30.2 1.0 O2 B:LHG5002 3.6 57.3 1.0 CG B:HIS207 3.6 30.2 1.0 CD B:GLU202 3.6 22.3 1.0 O2D B:CLA1211 3.8 20.0 1.0 O B:VAL208 3.9 25.9 1.0 OD2 B:ASP135 3.9 33.2 1.0 CD2 B:HIS207 4.2 30.2 1.0 OD1 B:ASP135 4.3 33.2 1.0 OE1 B:GLU202 4.3 22.3 1.0 C B:VAL208 4.3 25.9 1.0 CG B:ASP135 4.4 33.2 1.0 N B:VAL208 4.5 25.9 1.0 CB B:HIS207 4.6 30.2 1.0 CG B:GLU202 4.6 22.3 1.0 O B:GLY129 4.6 23.2 1.0 CA B:GLY209 4.7 27.3 1.0 N B:GLY209 4.7 27.3 1.0 O B:HOH6027 4.8 30.9 1.0 CA B:HIS207 4.8 30.2 1.0 C2 B:LHG5002 4.8 57.3 1.0 C B:HIS207 4.9 30.2 1.0

I.Caspy, T.Schwartz, V.Bayro-Kaiser, M.Fadeeva, A.Kessel, N.Ben-Tal, N.Nelson. Dimeric and High-Resolution Structures of Chlamydomonas Photosystem I From A Temperature-Sensitive Photosystem II Mutant Commun Biol V. 4 1380 2021.
ISSN: ESSN 2399-3642
DOI: 10.1038/S42003-021-02911-7