Calcium in PDB 6uzv: The Structure of A Red Shifted Photosystem I Complex

All present enzymatic activity of The Structure of A Red Shifted Photosystem I Complex:
1.97.1.12;

The structure of The Structure of A Red Shifted Photosystem I Complex also contains other interesting chemical elements:

Magnesium	(Mg)	291 atoms
Iron	(Fe)	36 atoms

The binding sites of Calcium atom in the The Structure of A Red Shifted Photosystem I Complex (pdb code 6uzv). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the The Structure of A Red Shifted Photosystem I Complex, PDB code: 6uzv:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the The Structure of A Red Shifted Photosystem I Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Structure of A Red Shifted Photosystem I Complex within 5.0Å range: probe atom residue distance (Å) B Occ L:Ca1507 b:53.7 occ:1.00 O L:PRO70 2.4 32.2 1.0 OD1 L:ASP73 2.5 45.4 1.0 O 0:PHE156 2.5 44.1 1.0 CG L:ASP73 3.2 45.4 1.0 OD2 L:ASP73 3.3 45.4 1.0 C L:PRO70 3.5 32.2 1.0 C 0:PHE156 3.7 44.1 1.0 NE2 A:GLN468 4.1 27.0 1.0 CA L:PRO70 4.2 32.2 1.0 O 0:ASN157 4.2 37.0 1.0 N L:LEU71 4.5 38.8 1.0 OD2 A:ASP469 4.5 25.0 1.0 CA 0:PHE156 4.5 44.1 1.0 N 0:ASN157 4.7 37.0 1.0 CB L:ASP73 4.7 45.4 1.0 NH1 L:ARG72 4.7 37.4 1.0 CA L:LEU71 4.7 38.8 1.0 CA 0:ASN157 4.8 37.0 1.0 OD1 A:ASP469 4.8 25.0 1.0 CB 0:PHE156 4.8 44.1 1.0 N L:ASP73 4.8 45.4 1.0 O L:GLY69 4.9 29.9 1.0 C 0:ASN157 4.9 37.0 1.0 CB L:PRO70 5.0 32.2 1.0

Calcium binding site 2 out of 3 in the The Structure of A Red Shifted Photosystem I Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of The Structure of A Red Shifted Photosystem I Complex within 5.0Å range: probe atom residue distance (Å) B Occ l:Ca4201 b:50.1 occ:1.00 O l:PRO70 2.5 30.7 1.0 O L:PHE156 2.5 42.4 1.0 OD1 l:ASP73 2.5 43.6 1.0 OD2 l:ASP73 3.2 43.6 1.0 CG l:ASP73 3.2 43.6 1.0 C l:PRO70 3.6 30.7 1.0 C L:PHE156 3.7 42.4 1.0 NE2 a:GLN468 3.9 26.6 1.0 O L:ASN157 4.2 35.6 1.0 CA l:PRO70 4.3 30.7 1.0 CA L:PHE156 4.5 42.4 1.0 N l:LEU71 4.6 37.9 1.0 OD2 a:ASP469 4.6 24.8 1.0 N L:ASN157 4.7 35.6 1.0 CB l:ASP73 4.7 43.6 1.0 CA L:ASN157 4.8 35.6 1.0 NH1 l:ARG72 4.8 36.1 1.0 CB L:PHE156 4.8 42.4 1.0 OD1 a:ASP469 4.8 24.8 1.0 CA l:LEU71 4.9 37.9 1.0 C L:ASN157 4.9 35.6 1.0 N l:ASP73 4.9 43.6 1.0 CD a:GLN468 5.0 26.6 1.0 O l:GLY69 5.0 29.1 1.0

Calcium binding site 3 out of 3 in the The Structure of A Red Shifted Photosystem I Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of The Structure of A Red Shifted Photosystem I Complex within 5.0Å range: probe atom residue distance (Å) B Occ 0:Ca205 b:50.1 occ:1.00 O l:PHE156 2.5 47.0 1.0 O 0:PRO70 2.5 33.6 1.0 OD1 0:ASP73 2.6 46.9 1.0 OD2 0:ASP73 3.2 46.9 1.0 CG 0:ASP73 3.3 46.9 1.0 C 0:PRO70 3.6 33.6 1.0 C l:PHE156 3.7 47.0 1.0 NE2 1:GLN468 3.9 27.9 1.0 CA 0:PRO70 4.2 33.6 1.0 O l:ASN157 4.2 38.2 1.0 CA l:PHE156 4.5 47.0 1.0 OD2 1:ASP469 4.5 25.5 1.0 N 0:LEU71 4.6 40.5 1.0 N l:ASN157 4.7 38.2 1.0 NH1 0:ARG72 4.7 38.3 1.0 CA l:ASN157 4.8 38.2 1.0 OD1 1:ASP469 4.8 25.5 1.0 CB 0:ASP73 4.8 46.9 1.0 CB l:PHE156 4.8 47.0 1.0 C l:ASN157 4.9 38.2 1.0 CA 0:LEU71 4.9 40.5 1.0 O 0:GLY69 4.9 31.4 1.0 N 0:ASP73 5.0 46.9 1.0 CD 1:GLN468 5.0 27.9 1.0

H.Toporik, A.Khmelnitskiy, Z.Dobson, R.Riddle, D.Williams, S.Lin, R.Jankowiak, Y.Mazor. The Structure of A Red-Shifted Photosystem I Reveals A Red Site in the Core Antenna. Nat Commun V. 11 5279 2020.
ISSN: ESSN 2041-1723
PubMed: 33077842
DOI: 10.1038/S41467-020-18884-W